Climate of Warsaw, Poland

Dfb

Köppen-Geiger climate classification: Dfb — Cold, no dry season, warm summer.

Warsaw has a mean annual temperature of 8.9 °C and receives 564 mm of precipitation per year (1991–2020 climate normals). The warmest month is July with a mean temperature of 19.6 °C, while January is the coldest month at -1.5 °C. Most precipitation falls in July (79 mm); the driest month is March (31 mm).

Climate Diagram

Climate diagram for Warsaw: 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 °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-1.531.5
February-0.431.0
March3.130.6
April9.135.6
May14.157.6
June17.567.9
July19.678.9
August18.963.2
September13.949.5
October8.740.4
November3.939.0
December0.138.4
Year8.9563.6

Live Forecast

Looking for the current weather instead of climate averages? Open the live forecast diagrams in WZ Diagrams — 15 weather models, ensemble spread, radar and more.

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 (52.23°, 21.01°). Climate normals describe the long-term average, not current weather.