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Climate in Sofia (Bulgaria)


Average weather, temperature, rainfall, sunshine hours

Flag - Bulgaria

Sofia, where it is


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Climate chart - Sofia
The climate of Sofia, the capital of Bulgaria, is continental, with cold winters and warm summers. The relatively low latitude (which is the same as central Italy) is offset by the position in the Balkan Peninsula (which is exposed to cold waves from Russia) as well as by altitude: the city is located at 550/600 meters (1,800/2,000 feet) above sea level.

Precipitation is not abundant, since it amounts to 625 millimeters (24.5 inches) per year, but it is well distributed over the seasons, with a relative maximum in May and June because of afternoon thunderstorms, and a relative minimum in winter.

Sofia

Winter, from December to February, is cold: the average temperature is slightly below freezing (0 °C or 32 °F). In periods of stable weather, fog often forms. Snowfalls are frequent, but they are typically light, though they can occasionally be more abundant. However, snow covers the ground for long periods.
During outbreaks of cold air masses from Russia, the temperatures can drop by many degrees. The coldest record is -25 °C (-13 °F), recorded in February 2006.
On the other hand, when the south wind blows, which sometimes can be strong, the temperature can rise a lot, and there can be mild days, up to about 15 °C (59 °F) even in winter: the air comes down from nearby Mount Vitosha, with a down-slope, föhn-like effect. In the warm winter of 2014, the temperature reached 18 °C (64 °F) in January and 22 °C (72 °F) in February.

Spring, from March to May, is unstable, especially in March and April: the first mild days alternate with the return of cold weather, with possible snow in March, and sometimes also in April. In May (but sometimes also in the second half of April), the first warm days occur, with highs close to 30 °C (86 °F), and also the first afternoon thunderstorms.

Summer, from June to August, is warm and sunny, usually with cool nights, and some afternoon thunderstorms. Generally, daytime temperatures are warm but without excesses, however, there can also be heat waves, which typically do not last long, with highs about 36/38 °C (97/100 °F). Anyway, the humidity is not high and nights remain cool. The highest record is 41 °C (106 °F), recorded in July 2000 and in July 2007. In 1994 and 2015, the temperature reached 35.5 °C (96 °F) in mid-September.

Autumn, from September to November, is mild and pleasant in September, and often also in the first half of October, then it quickly becomes more cold, gray, and even relatively rainy. In October, it gets cold at night; usually, the first snowfalls occur in November, when fog becomes quite common as well.

Best Time


The best time to visit Sofia is from mid-May to late September, keeping in mind that it can sometimes be hot in July and August, and more rarely in the second half of June and in the first half of September, so those who don't like the heat can avoid these periods. You should also take into account some afternoon thunderstorms, in addition, it's better to bring a sweatshirt for the evening, and maybe even a jacket if you go in May or September.

Sofia - Climate data


In Sofia, the average temperature of the coldest month (January) is of -0.2 °C, that of the warmest month (August) is of 21.6 °C. Here are the average temperatures.
Sofia - Average temperatures (1991-2020)
Temperatures (°C)
MonthMinMaxMean
January-3.93.5-0.2
February-2.46.52
March1.111.46.2
April5.316.711
May9.821.415.6
June13.425.219.3
July15.327.821.6
August1528.321.6
September10.923.317.1
October6.317.612
November1.910.76.3
December-2.44.61.1
Year5.916.511.15

Precipitation amounts to 625 millimeters per year: so, it is at an intermediate level. It ranges from 35 millimeters in the driest month (January) to 79 millimeters in the wettest one (June). Here is the average precipitation.
Sofia - Average precipitation
MonthRain (mm)Days
January356
February366
March457
April528
May7310
June799
July647
August556
September536
October546
November386
December407
Year62584

There are on average around 2260 sunshine hours per year. Here are the average hours of sunshine per day.
Sofia - Sunshine hours
MonthAverageTotal
January390
February4120
March5.5170
April6.5195
May7.5235
June9265
July10315
August10305
September7.5225
October5.5165
November3.5105
December270
Year6.22260

Sofia - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)


January, the coldest month of the year, is generally a very cold month. The average temperature is of -0.2 °C, with a minimum of -3.9 °C and a maximum of 3.5 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -15 °C. However, it dropped to -24 °C in January 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 13 °C. However, it reached 19 °C in January 2010.
Rain iconPrecipitation amounts to 35 mm, distributed over 6 days.
The day lasts on average 9 hours and 30 minutes.
Sun iconThere are on average 3 hours of sunshine per day. So, the sun shines 30% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of 9.6 kph.


February is generally a cold month. The average temperature is of 2 °C, with a minimum of -2.4 °C and a maximum of 6.5 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -13 °C. However, it dropped to -25 °C in February 2006.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 16.5 °C. However, it reached 23 °C in February 2016.
Rain iconPrecipitation amounts to 36 mm, distributed over 6 days.
The day lasts on average 10 hours and 35 minutes.
Sun iconThere are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of 11.2 kph.


March is generally a quite cold month. The average temperature is of 6.2 °C, with a minimum of 1.1 °C and a maximum of 11.4 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -7 °C. However, it dropped to -19 °C in March 2018.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 22.5 °C. However, it reached 27.5 °C in March 2001.
Rain iconPrecipitation amounts to 45 mm, distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
Sun iconThere are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 67%.
The average wind speed is of 11.8 kph.


April is generally a mild month. The average temperature is of 11 °C, with a minimum of 5.3 °C and a maximum of 16.7 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -2 °C. However, it dropped to -6 °C in April 2003.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 25.5 °C. However, it reached 31 °C in April 2013.
Rain iconPrecipitation amounts to 52 mm, distributed over 8 days.
The day lasts on average 13 hours and 25 minutes.
Sun iconThere are on average 6.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 63%.
The average wind speed is of 11.3 kph.


May is generally a very mild month. The average temperature is of 15.6 °C, with a minimum of 9.8 °C and a maximum of 21.4 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 3.5 °C. However, it dropped to 0 °C in May 2011.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 29 °C. However, it reached 34.1 °C in May 2020.
Rain iconPrecipitation amounts to 73 mm, distributed over 10 days.
The day lasts on average 14 hours and 40 minutes. So the days are long.
Sun iconThere are on average 7.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 67%.
The average wind speed is of 10.5 kph.


June is generally a warm month. The average temperature is of 19.3 °C, with a minimum of 13.4 °C and a maximum of 25.2 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 6.5 °C. However, it dropped to 3 °C in June 1997.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 33 °C. However, it reached 38 °C in June 2007.
Rain iconPrecipitation amounts to 79 mm, distributed over 9 days.
The day lasts on average 15 hours and 20 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
Sun iconThere are on average 9 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 67%.
The average wind speed is of 9.8 kph.


July is generally a warm month. The average temperature is of 21.6 °C, with a minimum of 15.3 °C and a maximum of 27.8 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 9 °C. However, it dropped to 4 °C in July 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 35 °C. However, it reached 41 °C in July 2000.
Rain iconPrecipitation amounts to 64 mm, distributed over 7 days.
The day lasts on average 14 hours and 55 minutes. So the days are long.
Sun iconThere are on average 10 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 61%.
The average wind speed is of 9.7 kph.


August, the warmest month of the year, is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 21.6 °C, with a minimum of 15 °C and a maximum of 28.3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 8.5 °C. However, it dropped to 6 °C in August 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 35 °C. However, it reached 39.4 °C in August 1993.
Rain iconPrecipitation amounts to 55 mm, distributed over 6 days.
The day lasts on average 13 hours and 50 minutes.
Sun iconThere are on average 10 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 59%.
The average wind speed is of 9.2 kph.


September is generally a very mild month. The average temperature is of 17.1 °C, with a minimum of 10.9 °C and a maximum of 23.3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 4 °C. However, it dropped to -1.4 °C in September 2018.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 31.5 °C. However, it reached 36 °C in September 2015.
Rain iconPrecipitation amounts to 53 mm, distributed over 6 days.
The day lasts on average 12 hours and 25 minutes.
Sun iconThere are on average 7.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 64%.
The average wind speed is of 9.4 kph.


October is generally a mild month. The average temperature is of 12 °C, with a minimum of 6.3 °C and a maximum of 17.6 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -2 °C. However, it dropped to -5 °C in October 2001.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 27.5 °C. However, it reached 33.6 °C in October 1993.
Rain iconPrecipitation amounts to 54 mm, distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.
Sun iconThere are on average 5.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of 9.1 kph.


November is generally a quite cold month. The average temperature is of 6.3 °C, with a minimum of 1.9 °C and a maximum of 10.7 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -6.5 °C. However, it dropped to -12 °C in November 2008.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 20.5 °C. However, it reached 25.5 °C in November 2004.
Rain iconPrecipitation amounts to 38 mm, distributed over 6 days.
The day lasts on average 9 hours and 40 minutes.
Sun iconThere are on average 3.5 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of 9.6 kph.


December is generally a cold month. The average temperature is of 1.1 °C, with a minimum of -2.4 °C and a maximum of 4.6 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -13 °C. However, it dropped to -20 °C in December 1997.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 15 °C. However, it reached 23 °C in December 2010.
Rain iconPrecipitation amounts to 40 mm, distributed over 7 days.
The day lasts on average 9 hours and 5 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
Sun iconThere are on average 2 hours of sunshine per day. So, the sun shines 25% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of 9.4 kph.

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