Sofia, Bulgaria Climate & Monthly Averages

Bulgaria 🇧🇬 · humid subtropical climate
Annual avg
53°
Hottest month
July
Coldest month
January
Rainy days / yr
107
Sunshine
9.6 h/day
Right now: 47° and clear - see live conditions

The climate of Sofia

Sofia runs one of the wider annual swings in our dataset: 22°C separates the average July from the average January. Afternoons reach 82°F (28°C) at the peak of summer and 40°F (4°C) at the depth of winter, with 107 days of measurable precipitation through the year.

Climate quick facts

  • Hottest month: July - highs near 82°F (28°C)
  • Coldest month: January - highs near 40°F (4°C)
  • Decade extremes (2015-2024): 101°F (38°C) high · -2°F (-19°C) low
  • Wettest month: June (12 rainy days) · Sunniest: July (13.8 h sun/day)
  • Climate type: humid subtropical
  • Annual swing: 22°C between the average warmest and coolest month · day to night: 10°C
  • Snow: about 15 days a year
  • Months with freezing average lows: 3
  • Average humidity: 69%

Temperatures through the year

Warmth peaks in July: highs of 82°F (28°C), lows of 62°F (17°C). January bottoms out at 40°F (4°C) in daylight, 26°F (-4°C) after dark. July is the brightest month at 13.8 hours of sun a day, against an annual average of 9.6.

Rain, sun and snow

Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is September through October. The wettest month is June (3.0 inches (76 mm) across 12 days) and the driest September. Overnight lows average at or below freezing for 3 months, December through February. Snow falls on roughly 15 days a year, mostly November through April. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 101°F (38°C) and the lowest daily minimum -2°F (-19°C).

How Sofia compares

  • Sofia sits close to the middle of our dataset on most measures: 53°F (12°C) as an annual average, 26.3 inches (667 mm) of precipitation and 9.6 hours of sun a day.

Ranked against every city in our dataset, each measured on the same ten-year window.

Monthly climate table

Monthly averages for Sofia based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 40° 26° 9 2.5 in 6.4 h/day 9.4 h 29% 75%
February 48° 30° 8 1.5 in 7.6 h/day 10.5 h 27% 72%
March 53° 34° 12 2.8 in 8.2 h/day 11.8 h 38% 69%
April 62° 42° 10 2.4 in 10.4 h/day 13.3 h 33% 64%
May 69° 50° 14 2.8 in 11.2 h/day 14.6 h 44% 68%
June 77° 58° 12 3.0 in 13.0 h/day 15.3 h 39% 68%
July 82° 62° 6 1.8 in 13.8 h/day 15.0 h 19% 60%
August 83° 62° 6 1.3 in 12.4 h/day 13.9 h 20% 58%
September 75° 55° 5 1.3 in 10.5 h/day 12.4 h 17% 62%
October 65° 46° 7 2.2 in 8.7 h/day 11.0 h 22% 70%
November 53° 37° 9 2.4 in 6.7 h/day 9.7 h 31% 78%
December 44° 30° 10 2.3 in 6.1 h/day 9.1 h 31% 79%

Sofia month by month

Average high and low for each month, with the bar showing where it sits in Sofia's year (left is the coldest night, right is the warmest afternoon).

January

Coldest
40°26°
Rain
9 days
Sunshine
6.4 h
Daylight
9.4 h
Snow
4 days

February

48°30°
Rain
8 days
Sunshine
7.6 h
Daylight
10.5 h
Snow
3 days

March

53°34°
Rain
12 days
Sunshine
8.2 h
Daylight
11.8 h
Snow
3 days

April

62°42°
Rain
10 days
Sunshine
10.4 h
Daylight
13.3 h

May

69°50°
Rain
14 days
Sunshine
11.2 h
Daylight
14.6 h

June

Wettest
77°58°
Rain
12 days
Sunshine
13.0 h
Daylight
15.3 h

July

HottestSunniest
82°62°
Rain
6 days
Sunshine
13.8 h
Daylight
15.0 h

August

83°62°
Rain
6 days
Sunshine
12.4 h
Daylight
13.9 h

September

Driest
75°55°
Rain
5 days
Sunshine
10.5 h
Daylight
12.4 h

October

65°46°
Rain
7 days
Sunshine
8.7 h
Daylight
11.0 h

November

53°37°
Rain
9 days
Sunshine
6.7 h
Daylight
9.7 h
Snow
2 days

December

44°30°
Rain
10 days
Sunshine
6.1 h
Daylight
9.1 h
Snow
2 days

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

Seasons in Sofia

Spring (March through May)

Spring in Sofia is mild, with daytime highs averaging 61°F (16°C) and nights around 42°F (6°C); rain falls on around 35 of the 90 days, plus about 4 snowy days.

Summer (June through August)

Summer in Sofia is hot, with daytime highs averaging 81°F (27°C) and nights around 61°F (16°C); expect showers on roughly 24 days across the season. Daylight is generous - around 13.1 hours of sun a day.

Fall (September through November)

Through fall, Sofia runs cool rather than cold: 64°F (18°C) by day, 46°F (8°C) after dark, and expect showers on roughly 21 days across the season.

Winter (December through February)

Winter in Sofia is chilly, with daytime highs averaging 44°F (7°C) and nights around 29°F (-2°C); expect showers on roughly 26 days across the season, plus about 10 snowy days.

Climate questions, answered

How humid does Sofia get?
Relative humidity averages 69% across the year, which reads as fairly humid. Paired with July heat, muggy afternoons are routine.
What should I wear in Sofia?
It depends on the month: July runs to 82°F (28°C) while January holds at 40°F (4°C). The full month-by-month breakdown is in the packing notes above.
What is the average temperature in Sofia?
53°F (12°C) across all twelve months - about 62°F (17°C) by day and 44°F (7°C) after dark.
How many rainy days does Sofia get in a year?
About 107 days bring measurable precipitation, totalling 26.3 inches (667 mm). That works out at roughly 6.2 mm on an average wet day.

Best time to visit Sofia

July to October is the sweet spot for Sofia - warm days, manageable rainfall and plenty of daylight line up. Expect 76°F (25°C) in the afternoon and around 6 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in July.

Pack for Sofia with light clothing for the warm months, a heavy insulated coat, hat and gloves for winter and a compact umbrella or rain shell. Even in July, lows of 62°F (17°C) make an extra layer worth the space.

Sofia temperature records (2015-2024)

Highest recorded
101°
in August
Lowest recorded
-2°
in January
Annual precipitation
26.3"
Snowy days / yr
15

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.