Do you need to know, when is the best time to go to Norway? Then you should take a look here, what weather you can expect there during the year.
The climate of Norway is temperate along coast, weather is modified by North Atlantic current there. Interior of Norway is colder with increased precipitation and colder summers. Weather is often rainy year round on west coast.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Agder, Akershus, Alta, Aremark, Arendal, Askim, Askøy, Aure, Austevoll, Averøy, Balestrand, Bardufoss, Bergen, Berkåk, Bodø, Brusand, Bryne, Brønnøysund, Buskerud, Båtsfjord, Dovrefjell, Drammen, Drøbak, East Norway, Eidfjord, Eidsvoll, Elverum, Evje, Fauske, Fedje, Finnmark, Finse, Fjærland, Flekkefjord, Florø, Flåm, Follo, Forsand, Fredrikstad, Førde, Geilo, Geiranger, Gjøvik, Gudbrandsdalen, Gudvangen, Hafjell, Halden, Hallingdal, Hamar, Hammerfest, Hardanger, Hardangervidda, Harstad, Haugastøl, Haugesund, Haukeli, Hedmark, Hell, Hellvik, Hemsedal, Henningsvaer, Hjørundfjord, Holmestrand, Hommersåk, Hordaland, Horten, Hovden, Hvaler, Hønefoss, Høyanger, Jan Mayen, Jessheim, Jostedalsbreen, Jotunheimen, Kabelvåg, Karasjok, Karlsøy, Kautokeino, Kirkenes, Kleppe, Kongsberg, Kongsvinger, Kristiansand, Kristiansund, Kvamskogen, Kvitfjell, Lakselv, Langesund, Larvik, Leirvik, Leknes, Lillehammer, Lillesand, Lindås, Lofoten, Luster, Lyngdal, Lyngen, Lærdal, Mandal, Marker, Melhus, Mo i Rana, Molde, Moskenes, Moskenesøya, Moss, Myrdal, Mysen, Måløy, Møre og Romsdal, Namsos, Narvik, Nordkapp, Nordland, Nordseter, Northern Norway, Notodden, Nærbø, Odda, Olden and Loen, Oppdal, Oppland, Os, Oslo, Otta, Porsgrunn, Rauland, Reine, Ringerike, Risør, Rjukan, Rogaland, Rondane National Park, Rosendal, Ryfylke, Røros, Røst, Sandefjord, Sandnes, Sarpsborg, Senja, Sirevåg, Skei, Ski, Skibotn, Skien, Sogn og Fjordane, Sogndal, Sognefjorden, Solvorn, Stalheim, Stavanger, Stjørdalshalsen, Stokke, Stryn, Sulitjelma, Sunnhordland, Svalbard, Svolvær, Tana, Telemark, Tonnes, Troms, Tromsø, Trondheim, Trysil, Trøndelag, Tynset, Tønsberg, Ulvik, Vadsø, Valdres, Valldal, Vardø, Varhaug, Vega, Vesterålen, Vestfold, Voss, Vrådal, Værøy, Western Norway, Å, Ålesund, Ålgård, Åndalsnes and Romsdal valley, Ås, Øksfjord, Ørnes, Østfold.
Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is July, the average maximum temperature is 21.6 ℃ (70.88 ℉). The average minimum temperature in this month is 12.3 ℃ (54.14 ℉). The coldest month here is January, the average maximum temperature is -1.6 ℃ (29.12 ℉). The average minimum temperature in this month is -6.6 ℃ (20.12 ℉). The most rainy month here is October, the average number of rainy days is 17.3. The least rainy month here is February, the average number of rainy days is 11.7. 
When travelling to some places in Norway, always consider the altitude of the the place as well. The highest point here is Galdhopiggen (2469 m) and the lowest point is Norwegian Sea (0 m). So there are quite big differences in altitudes in this country, so you can expect the weather to be different in different altitudes as well. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in Norway in January is this: The average highest temperature in Norway in January is -1.6 ℃ (29.12 ℉). The average lowest temperature is -6.6 ℃ (20.12 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around -0.95 ℃ (30.29 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around -1.15 ℃ (29.93 ℉). The average number of rainy days in January is 15.9. The average rainfall is 48.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 6:01 (hours and minutes), in the middle of the month 6:44 and at the end of the month 7:50.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in February is this: The average highest temperature in Norway in February is -0.7 ℃ (30.74 ℉). The average lowest temperature is -6.7 ℃ (19.94 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around -1.15 ℃ (29.93 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 1.5 ℃ (34.7 ℉). The average number of rainy days in February is 11.7. The average rainfall is 35.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 7:50 (hours and minutes), in the middle of the month 9:07 and at the end of the month 10:28.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in March is this: The average highest temperature in Norway in March is 3.7 ℃ (38.66 ℉). The average lowest temperature is -3.1 ℃ (26.42 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 1.5 ℃ (34.7 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 6.6 ℃ (43.88 ℉). The average number of rainy days in March is 13.3. The average rainfall is 47.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:28 (hours and minutes), in the middle of the month 11:50 and at the end of the month 13:12.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in Norway in April is this: The average highest temperature in Norway in April is 9.5 ℃ (49.1 ℉). The average lowest temperature is 1 ℃ (33.8 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 6.6 ℃ (43.88 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 12.85 ℃ (55.13 ℉). The average number of rainy days in April is 12. The average rainfall is 40.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:12 (hours and minutes), in the middle of the month 14:33 and at the end of the month 15:53.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in Norway in May is this: The average highest temperature in Norway in May is 16.2 ℃ (61.16 ℉). The average lowest temperature is 6.7 ℃ (44.06 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 12.85 ℃ (55.13 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 18.25 ℃ (64.85 ℉). The average number of rainy days in May is 12.8. The average rainfall is 53.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 15:53 (hours and minutes), in the middle of the month 17:08 and at the end of the month 18:10.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in June is this: The average highest temperature in Norway in June is 20.3 ℃ (68.54 ℉). The average lowest temperature is 10.8 ℃ (51.44 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 18.25 ℃ (64.85 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 20.95 ℃ (69.71 ℉). The average number of rainy days in June is 13.7. The average rainfall is 65 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 18:10 (hours and minutes), in the middle of the month 18:46 and at the end of the month 18:45.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in July is this: The average highest temperature in Norway in July is 21.6 ℃ (70.88 ℉). The average lowest temperature is 12.3 ℃ (54.14 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 20.95 ℃ (69.71 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 21.05 ℃ (69.89 ℉). The average number of rainy days in July is 14.7. The average rainfall is 81.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 18:45 (hours and minutes), in the middle of the month 18:07 and at the end of the month 17:04.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in August is this: The average highest temperature in Norway in August is 20.5 ℃ (68.9 ℉). The average lowest temperature is 11.7 ℃ (53.06 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 21.05 ℃ (69.89 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 17.8 ℃ (64.04 ℉). The average number of rainy days in August is 16.3. The average rainfall is 86.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 17:04 (hours and minutes), in the middle of the month 15:50 and at the end of the month 14:31.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in September is this: The average highest temperature in Norway in September is 15.1 ℃ (59.18 ℉). The average lowest temperature is 7.6 ℃ (45.68 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 17.8 ℃ (64.04 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 12.3 ℃ (54.14 ℉). The average number of rainy days in September is 16. The average rainfall is 90 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:31 (hours and minutes), in the middle of the month 13:10 and at the end of the month 11:49.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in October is this: The average highest temperature in Norway in October is 9.5 ℃ (49.1 ℉). The average lowest temperature is 4 ℃ (39.2 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 12.3 ℃ (54.14 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 6.4 ℃ (43.52 ℉). The average number of rainy days in October is 17.3. The average rainfall is 84.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:49 (hours and minutes), in the middle of the month 10:29 and at the end of the month 9:09.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in November is this: The average highest temperature in Norway in November is 3.3 ℃ (37.94 ℉). The average lowest temperature is -1.3 ℃ (29.66 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 6.4 ℃ (43.52 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 1.5 ℃ (34.7 ℉). The average number of rainy days in November is 14.9. The average rainfall is 74.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:09 (hours and minutes), in the middle of the month 7:52 and at the end of the month 6:46.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Norway in December is this: The average highest temperature in Norway in December is -0.3 ℃ (31.46 ℉). The average lowest temperature is -5.5 ℃ (22.1 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 1.5 ℃ (34.7 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around -0.95 ℃ (30.29 ℉). The average number of rainy days in December is 14.9. The average rainfall is 53.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 6:46 (hours and minutes), in the middle of the month 6:02 and at the end of the month 5:54.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.| Oslo | temperature: - | highest temperature: -0.3 ℃ (31.46 ℉) | lowest temperature: -5.5 ℃ (22.1 ℉) | rainfall: 53.7mm | rainy days: 14.9 |
| Bergen | temperature: - | highest temperature: 4.9 ℃ (40.82 ℉) | lowest temperature: 0.8 ℃ (33.44 ℉) | rainfall: 231.5mm | rainy days: 21.5 |
| Tromsoe | temperature: - | highest temperature: -1.1 ℃ (30.02 ℉) | lowest temperature: -5.3 ℃ (22.46 ℉) | rainfall: 105.9mm | rainy days: 20.1 |
| Trondheim | temperature: - | highest temperature: 1.7 ℃ (35.06 ℉) | lowest temperature: -4.6 ℃ (23.72 ℉) | rainfall: 84mm | rainy days: 18.8 |
| Kristiansand | temperature: - | highest temperature: 3.2 ℃ (37.76 ℉) | lowest temperature: -3.2 ℃ (26.24 ℉) | rainfall: 113.1mm | rainy days: 19.2 |