Climate of Sofia, Bulgaria

Cfa

Köppen-Geiger climate classification: Cfa — Temperate, no dry season, hot summer.

Sofia has a mean annual temperature of 11.4 °C and receives 657 mm of precipitation per year (1991–2020 climate normals). The warmest month is July with a mean temperature of 22.2 °C, while January is the coldest month at -0.1 °C. Most precipitation falls in June (83 mm); the driest month is January (40 mm).

Climate Diagram

Climate diagram for Sofia: monthly mean temperature (red line, left axis, °C) and monthly precipitation (blue bars, right axis, mm), 1991–2020 0 0 10 20 20 40 30 60 40 80 50 100 °C mm J F M A M J J A S O N D

Walter–Lieth diagram: blue bars show monthly precipitation (right axis, mm), the red line shows monthly mean temperature (left axis, °C). Scale: 1 °C ≡ 2 mm.

Climate Table

MonthMean temperature (°C)Precipitation (mm)
January-0.139.9
February1.940.1
March6.247.1
April11.454.0
May16.378.5
June20.283.3
July22.267.3
August22.253.1
September17.454.6
October11.951.8
November6.142.9
December1.244.1
Year11.4656.8

Live Forecast

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Data Source

Climate normals and Köppen-Geiger classification: Beck et al. (2023), Scientific Data 10, 724, CC BY 4.0. Period 1991–2020. Classification resolution ≈ 1 km; monthly climate data resolution ≈ 1 km (0.01°, Original 2023 release; predates the January 2026 correction), sampled at the grid cell containing the city coordinates (42.70°, 23.32°). Climate normals describe the long-term average, not current weather.