Warsaw climate

Warsaw is warmest in July, with average highs of 24 °C, and coldest in January, when nights average -4.0 °C. July is the wettest month (84 mm) and February the driest (38 mm). Figures are 1991–2020 climate normals.

Across a full year Warsaw averages 645 mm of rain, 34 days above 25 °C and 99 days below freezing.

Poland · population 1,702,139 · 1991–2020 normals

  1. Jan -2°
  2. Feb -1°
  3. Mar
  4. Apr
  5. May 14°
  6. Jun 18°
  7. Jul 20°
  8. Aug 19°
  9. Sep 14°
  10. Oct
  11. Nov
  12. Dec

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectWarsaw through the year

Warsaw has a clear annual cycle: average daily highs run from 0.6 °C in January to 24 °C in July, a swing of 21 °C in mean temperature across the year.

Counted across a normal year, 34 days a year reach 25 °C, 5 of them reach 30 °C, 99 nights drop below freezing. The warmest reading in the 1991–2020 record is 35 °C, in August.

Rain is strongly seasonal. July averages 84 mm against 38 mm in February — 2.2 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month Avg high Rainfall Cloud
January 0.6 °C 41 mm 78 %
February 2.3 °C 38 mm 77 %
March 6.9 °C 43 mm 68 %
April 13.5 °C 46 mm 60 %
May 18.7 °C 69 mm 59 %
June 21.9 °C 70 mm 59 %
July 23.9 °C 84 mm 57 %
August 23.5 °C 66 mm 55 %
September 18.2 °C 58 mm 62 %
October 12.2 °C 46 mm 68 %
November 6.3 °C 41 mm 79 %
December 2.0 °C 43 mm 80 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January0.6 °C-4.0 °C-1.6 °C11.8 °C-30.4 °C0023
February2.3 °C-3.6 °C-0.6 °C13.4 °C-25.9 °C0021
March6.9 °C-1.0 °C2.9 °C19.3 °C-18.6 °C0018
April13.5 °C3.8 °C8.9 °C28.7 °C-8.8 °C005
May18.7 °C9.0 °C14.2 °C31.1 °C-2.9 °C300
June21.9 °C12.6 °C17.7 °C34.8 °C4.8 °C710
July23.9 °C14.9 °C19.7 °C34.5 °C8.0 °C1220
August23.5 °C14.6 °C19.2 °C34.9 °C7.4 °C1120
September18.2 °C10.4 °C14.3 °C33.1 °C1.3 °C200
October12.2 °C5.9 °C9.0 °C23.2 °C-6.0 °C003
November6.3 °C1.7 °C4.0 °C18.5 °C-20.0 °C0010
December2.0 °C-2.2 °C-0.0 °C13.0 °C-21.2 °C0020

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWind
January41 mm108.2 h/day78 %84 %19 km/h
February38 mm109.9 h/day77 %82 %19 km/h
March43 mm1012 h/day68 %76 %19 km/h
April46 mm1014 h/day60 %69 %17 km/h
May69 mm1216 h/day59 %69 %17 km/h
June70 mm1217 h/day59 %69 %17 km/h
July84 mm1316 h/day57 %70 %16 km/h
August66 mm1015 h/day55 %70 %15 km/h
September58 mm1013 h/day62 %76 %17 km/h
October46 mm911 h/day68 %81 %18 km/h
November41 mm98.8 h/day79 %85 %18 km/h
December43 mm107.7 h/day80 %85 %19 km/h

Planning a trip? See the best time to visit Warsaw.

QuestionsCommon questions about Warsaw’s climate

When is the best time to visit Warsaw?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Warsaw get?

In July, the warmest month, daily highs average 24 °C. About 5 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average -4.0 °C in January, the coldest month. A normal year has 99 nights below freezing.

Which month is wettest in Warsaw?

July, averaging 84 mm over 13 days with rain. The driest month is February with 38 mm. The year as a whole averages 645 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Warsaw rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.