Do you need to know, when is the best time to go to Latvia? Then you should take a look here, what weather you can expect there during the year.
The climate of Latvia is maritime. Weather is is tempered by the Gulf Stream. You can expect quite warm summers and moderate winters. Weather is also humid and you can expect quite a lot of rains, there are also many days with fog.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Alūksne, Bauska, Cēsis, Daugavpils, Gulbene, Jekabpils, Jelgava, Jūrmala, Kuldīga, Kurzeme, Latgale, Liepāja, Ligatne, Madona, Riga, Riga region, Rēzekne, Salaspils, Seda, Sigulda, Smiltene, Strenči, Tukums, Valka, Valmiera, Ventspils, Vidzeme, Zemgale.
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 12.6 ℃ (54.68 ℉). The coldest month here is January, the average maximum temperature is -2.1 ℃ (28.22 ℉). The average minimum temperature in this month is -7.5 ℃ (18.5 ℉). 
Typical (usual) weather in Latvia in January is this: The average highest temperature in Latvia in January is -2.1 ℃ (28.22 ℉). The average lowest temperature is -7.5 ℃ (18.5 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around -0.8 ℃ (30.56 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around -1.8 ℃ (28.76 ℉). The average rainfall is 34.3 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 6:49 (hours and minutes), in the middle of the month 7:25 and at the end of the month 8:20.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in February is this: The average highest temperature in Latvia in February is -1.5 ℃ (29.3 ℉). The average lowest temperature is -7.4 ℃ (18.68 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around -1.8 ℃ (28.76 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 0.7 ℃ (33.26 ℉). The average rainfall is 26.6 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 8:20 (hours and minutes), in the middle of the month 9:27 and at the end of the month 10:38.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in March is this: The average highest temperature in Latvia in March is 2.9 ℃ (37.22 ℉). The average lowest temperature is -4.4 ℃ (24.08 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 0.7 ℃ (33.26 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 6.45 ℃ (43.61 ℉). The average rainfall is 27.6 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 10:38 (hours and minutes), in the middle of the month 11:51 and at the end of the month 13:04.These numbers above are valid primarily for the capital and the area around it.
Typical (usual) weather in Latvia in April is this: The average highest temperature in Latvia in April is 10 ℃ (50 ℉). The average lowest temperature is 1.2 ℃ (34.16 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 6.45 ℃ (43.61 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 13.25 ℃ (55.85 ℉). The average rainfall is 41.5 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 13:04 (hours and minutes), in the middle of the month 14:16 and at the end of the month 15:26.These numbers above are valid primarily for the capital and the area around it.
Typical (usual) weather in Latvia in May is this: The average highest temperature in Latvia in May is 16.5 ℃ (61.7 ℉). The average lowest temperature is 6.1 ℃ (42.98 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 13.25 ℃ (55.85 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 18.2 ℃ (64.76 ℉). The average rainfall is 44.2 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 15:26 (hours and minutes), in the middle of the month 16:29 and at the end of the month 17:20.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in June is this: The average highest temperature in Latvia in June is 19.9 ℃ (67.82 ℉). The average lowest temperature is 10.2 ℃ (50.36 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 18.2 ℃ (64.76 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 20.75 ℃ (69.35 ℉). The average rainfall is 64.2 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 17:20 (hours and minutes), in the middle of the month 17:49 and at the end of the month 17:48.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in July is this: The average highest temperature in Latvia in July is 21.6 ℃ (70.88 ℉). The average lowest temperature is 12.6 ℃ (54.68 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 20.75 ℃ (69.35 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 21.2 ℃ (70.16 ℉). The average rainfall is 86.3 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 17:48 (hours and minutes), in the middle of the month 17:18 and at the end of the month 16:26.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in August is this: The average highest temperature in Latvia in August is 20.8 ℃ (69.44 ℉). The average lowest temperature is 12.1 ℃ (53.78 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 21.2 ℃ (70.16 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 18.5 ℃ (65.3 ℉). The average rainfall is 74.4 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 16:26 (hours and minutes), in the middle of the month 15:23 and at the end of the month 14:14.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in September is this: The average highest temperature in Latvia in September is 16.2 ℃ (61.16 ℉). The average lowest temperature is 8.2 ℃ (46.76 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 18.5 ℃ (65.3 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 13.55 ℃ (56.39 ℉). The average rainfall is 73.4 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 14:14 (hours and minutes), in the middle of the month 13:03 and at the end of the month 11:51.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in October is this: The average highest temperature in Latvia in October is 10.9 ℃ (51.62 ℉). The average lowest temperature is 4.1 ℃ (39.38 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 13.55 ℃ (56.39 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 7.55 ℃ (45.59 ℉). The average rainfall is 61.2 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 11:51 (hours and minutes), in the middle of the month 10:39 and at the end of the month 9:29.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in November is this: The average highest temperature in Latvia in November is 4.2 ℃ (39.56 ℉). The average lowest temperature is -0.3 ℃ (31.46 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 7.55 ℃ (45.59 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 2.35 ℃ (36.23 ℉). The average rainfall is 57.3 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 9:29 (hours and minutes), in the middle of the month 8:22 and at the end of the month 7:26.These numbers above are valid primarily for the capital and the area around it.Typical (usual) weather in Latvia in December is this: The average highest temperature in Latvia in December is 0.5 ℃ (32.9 ℉). The average lowest temperature is -4.1 ℃ (24.62 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 2.35 ℃ (36.23 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around -0.8 ℃ (30.56 ℉). The average rainfall is 46.3 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 7:26 (hours and minutes), in the middle of the month 6:50 and at the end of the month 6:44.These numbers above are valid primarily for the capital and the area around it.| Daugavpils | temperature: - | highest temperature: -0.8 ℃ (30.56 ℉) | lowest temperature: -5.9 ℃ (21.38 ℉) | rainfall: 43.8mm | rainy days: - |
| Liepaja | temperature: - | highest temperature: 2.2 ℃ (35.96 ℉) | lowest temperature: -2.2 ℃ (28.04 ℉) | rainfall: 66.9mm | rainy days: - |
| Riga | temperature: - | highest temperature: 0.5 ℃ (32.9 ℉) | lowest temperature: -4.1 ℃ (24.62 ℉) | rainfall: 46.3mm | rainy days: - |
| Ventspils | temperature: - | highest temperature: 2.1 ℃ (35.78 ℉) | lowest temperature: -2.4 ℃ (27.68 ℉) | rainfall: 66.5mm | rainy days: - |