Europe › Bulgaria › Sofia
30-year normals (1991-2020)
Sofia has a humid continental climate, classified as Dfb in the Köppen system. The warmest month is August with an average high of 27°C, while the coldest month is January with lows dropping to -4°C. The annual temperature range of 31°C is typical of continental climates with distinct seasons.
The driest month is September with only 6 rain days and 36mm of precipitation. For travellers, September through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 65% to 65% throughout the year.
Based on temperature and rainfall data, the best months to visit Sofia are July, August, September. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
27°C
August
Coldest Month
-4°C
January
Driest Month
6 days
September
Annual Range
31°C
-4° to 27°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 4°C | -4°C | 8 | 7h | View |
| February | 6°C | -3°C | 8 | 8h | View |
| March | 10°C | 1°C | 10 | 9h | View |
| April | 15°C | 5°C | 12 | 10h | View |
| May | 20°C | 10°C | 13 | 11h | View |
| June | 24°C | 14°C | 12 | 13h | View |
| July | 26°C | 16°C | 9 | 13h | View |
| August | 27°C | 16°C | 7 | 12h | View |
| September | 22°C | 12°C | 6 | 10h | View |
| October | 17°C | 7°C | 7 | 8h | View |
| November | 11°C | 2°C | 7 | 7h | View |
| December | 5°C | -2°C | 9 | 6h | View |
January
8 rain days, 7h sun
February
8 rain days, 8h sun
March
10 rain days, 9h sun
April
12 rain days, 10h sun
May
13 rain days, 11h sun
June
12 rain days, 13h sun
July
9 rain days, 13h sun
August
7 rain days, 12h sun
September
6 rain days, 10h sun
October
7 rain days, 8h sun
November
7 rain days, 7h sun
December
9 rain days, 6h sun
Sofia in August
Data Sources for Sofia
Climate normals represent 30-year averages (1991-2020). Individual years may vary.