Do you need to know, when is the best time to go to Bulgaria? Then you should take a look here, what weather you can expect there during the year.
The climate of Bulgaria is temperate with cold, damp winters, and hot, dry summers. Most of the country has continental weather, but it is Mediterranean in the south. You can expect snow in mountains in winter.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Arbanassi, Asenovgrad, Balkan Mountains, Bansko, Belitsa, Belogradchik, Blagoevgrad, Borovets, Bulgarian Black Sea Coast, Bulgarian Shopluk, Bulgarian mountains, Burgas, Chiprovtsi, Dragoman Marsh, Dupnitsa, Elhovo, Gabrovo, Hissar, Isperih, Kamen Bryag, Kazanlak, Lovech, Melnik, Nature Park Bulgarka, Nesebar, North Bulgaria, Pirin Macedonia, Pirin National Park, Pleven, Plovdiv, Preslav, Primorsko, Rousse, Samokov, Sarafovo, Semkovo, Sevlievo, Shumen, Silistra, Sliven, Sofia, Southern Dobruja, Sozopol, Stara Zagora, Strandzha, Sunny Beach, Tryavna, Upper Thracian Plain, Varna, Varshets, Varvara, Veliko Turnovo, Vidin, Vratsa.
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 August, the average maximum temperature is 26.1 ℃ (78.98 ℉). The average minimum temperature in this month is 13.8 ℃ (56.84 ℉). The coldest month here is January, the average maximum temperature is 2.4 ℃ (36.32 ℉). The average minimum temperature in this month is -4.7 ℃ (23.54 ℉). The most rainy month here is May, the average number of rainy days is 13.7. The least rainy month here is October, the average number of rainy days is 7. 
When travelling to some places in Bulgaria, always consider the altitude of the the place as well. The highest point here is Musala (2925 m) and the lowest point is Black 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 Bulgaria in January is this: The average highest temperature in Bulgaria in January is 2.4 ℃ (36.32 ℉). The average lowest temperature is -4.7 ℃ (23.54 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 3.3 ℃ (37.94 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 3.75 ℃ (38.75 ℉). The average number of rainy days in January is 9.9. 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 9:05 (hours and minutes), in the middle of the month 9:23 and at the end of the month 9:53.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 Bulgaria in February is this: The average highest temperature in Bulgaria in February is 5.1 ℃ (41.18 ℉). The average lowest temperature is -2.7 ℃ (27.14 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 3.75 ℃ (38.75 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 7.5 ℃ (45.5 ℉). The average number of rainy days in February is 9.9. The average rainfall is 30.9 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 9:53 (hours and minutes), in the middle of the month 10:31 and at the end of the month 11:13.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 Bulgaria in March is this: The average highest temperature in Bulgaria in March is 9.9 ℃ (49.82 ℉). The average lowest temperature is 0.5 ℃ (32.9 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 7.5 ℃ (45.5 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 12.9 ℃ (55.22 ℉). The average number of rainy days in March is 9.8. The average rainfall is 37.8 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 11:13 (hours and minutes), in the middle of the month 11:56 and at the end of the month 12:40.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 Bulgaria in April is this: The average highest temperature in Bulgaria in April is 15.9 ℃ (60.62 ℉). The average lowest temperature is 5.1 ℃ (41.18 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 12.9 ℃ (55.22 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 18.05 ℃ (64.49 ℉). The average number of rainy days in April is 11.9. The average rainfall is 49.9 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 12:40 (hours and minutes), in the middle of the month 13:22 and at the end of the month 14:02.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 Bulgaria in May is this: The average highest temperature in Bulgaria in May is 20.2 ℃ (68.36 ℉). The average lowest temperature is 9.4 ℃ (48.92 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 18.05 ℃ (64.49 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 21.85 ℃ (71.33 ℉). The average number of rainy days in May is 13.7. The average rainfall is 72.5 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 14:02 (hours and minutes), in the middle of the month 14:37 and at the end of the month 15:03.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 Bulgaria in June is this: The average highest temperature in Bulgaria in June is 23.5 ℃ (74.3 ℉). The average lowest temperature is 12.2 ℃ (53.96 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 21.85 ℃ (71.33 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 24.7 ℃ (76.46 ℉). The average number of rainy days in June is 13.3. The average rainfall is 74.3 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 15:03 (hours and minutes), in the middle of the month 15:17 and at the end of the month 15:17.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 Bulgaria in July is this: The average highest temperature in Bulgaria in July is 25.9 ℃ (78.62 ℉). The average lowest temperature is 14.1 ℃ (57.38 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 24.7 ℃ (76.46 ℉). At the end of July you can expect higher temperatures, the average highest temperature is around 26 ℃ (78.8 ℉). The average number of rainy days in July is 10.3. The average rainfall is 62 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 15:17 (hours and minutes), in the middle of the month 15:02 and at the end of the month 14:35.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 Bulgaria in August is this: The average highest temperature in Bulgaria in August is 26.1 ℃ (78.98 ℉). The average lowest temperature is 13.8 ℃ (56.84 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 26 ℃ (78.8 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 24.65 ℃ (76.37 ℉). The average number of rainy days in August is 7.9. The average rainfall is 50.9 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 14:35 (hours and minutes), in the middle of the month 14:00 and at the end of the month 13:21.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 Bulgaria in September is this: The average highest temperature in Bulgaria in September is 23.2 ℃ (73.76 ℉). The average lowest temperature is 10.4 ℃ (50.72 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 24.65 ℃ (76.37 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 19.95 ℃ (67.91 ℉). The average number of rainy days in September is 7.1. The average rainfall is 37.2 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 13:21 (hours and minutes), in the middle of the month 12:39 and at the end of the month 11:56.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 Bulgaria in October is this: The average highest temperature in Bulgaria in October is 16.7 ℃ (62.06 ℉). The average lowest temperature is 5.9 ℃ (42.62 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 19.95 ℃ (67.91 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 13.2 ℃ (55.76 ℉). The average number of rainy days in October is 7. The average rainfall is 35.2 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 11:56 (hours and minutes), in the middle of the month 11:13 and at the end of the month 10:32.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 Bulgaria in November is this: The average highest temperature in Bulgaria in November is 9.7 ℃ (49.46 ℉). The average lowest temperature is 1.4 ℃ (34.52 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 13.2 ℃ (55.76 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 6.95 ℃ (44.51 ℉). The average number of rainy days in November is 8.9. The average rainfall is 47.4 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 10:32 (hours and minutes), in the middle of the month 9:55 and at the end of the month 9:24.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 Bulgaria in December is this: The average highest temperature in Bulgaria in December is 4.2 ℃ (39.56 ℉). The average lowest temperature is -2.5 ℃ (27.5 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 6.95 ℃ (44.51 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 3.3 ℃ (37.94 ℉). The average number of rainy days in December is 10.8. The average rainfall is 40 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 9:24 (hours and minutes), in the middle of the month 9:06 and at the end of the month 9:03.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.| Sofia | temperature: - | highest temperature: 4.2 ℃ (39.56 ℉) | lowest temperature: -2.5 ℃ (27.5 ℉) | rainfall: 40mm | rainy days: 10.8 |
| Varna | temperature: - | highest temperature: 8.5 ℃ (47.3 ℉) | lowest temperature: 1.8 ℃ (35.24 ℉) | rainfall: 45.3mm | rainy days: 9.1 |