Best Time to Visit Sofia

The best time to visit Sofia is July to September, when the average temperature is 16–21°C and rainfall is low for Sofia, at 54–68 mm a month.

Sofia weather by month

The wettest month in Sofia is June with 85 mm of rain, and the warmest is August at an average 21°C. The coolest is January at -2°C.

MonthAverage temperatureRainfallVerdict
January-2°C / 28°F
51 mm
Cold
February0°C / 31°F
45 mm
Cold
March4°C / 39°F
57 mm
Cold
April9°C / 48°F
57 mm
Cool
May14°C / 57°F
80 mm
Cool
June18°C / 65°F
85 mm
Rainy
July21°C / 70°F
68 mm
Best
August21°C / 70°F
58 mm
Best
September16°C / 61°F
54 mm
Best
October11°C / 51°F
57 mm
Cool
November5°C / 41°F
42 mm
Cool
December0°C / 31°F
51 mm
Cold

How we pick the best months

  • Best: an average temperature of 15–28°C and low rainfall for Sofia: under 150 mm, and no more than 71 mm, a quarter above Sofia's median month (never set below 60 mm).
  • If no month qualifies, we show the three driest months that average 10–30°C instead.
  • Wet: 150 mm of rain or more. Rainy: more than 71 mm. Hot: 29°C or more on average. Cool: under 15°C. Cold: under 5°C.

Averages cover day and night, so afternoons are warmer than the figure shown. Weather is only one reason to pick a month: school holidays, festivals and prices matter too.

Where these numbers come from

Monthly averages for January 2001 – December 2020 from the NASA POWER project, for the area around Sofia Airport (SOF) at 42.70, 23.42. The model covers a grid about 50 km across, so a coastal or hilly spot can run a degree or two different. Retrieved 12 September 2026.

The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) Prediction of Worldwide Energy Resource (POWER) Project funded through the NASA Earth Science/Applied Science Program.