Warsaw Climate & Weather Averages

Poland · Humid Continental climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)

Written by David Chen · Edited by Maria Volkov · Last reviewed August 17, 2026
Warsaw city skyline — climate and weather guide photo
Hottest Month
20.8°C
69.4°F
July
Coldest Month
0.9°C
33.6°F
January
Year Avg Temp
10.2°C
50.4°F
March driest
Annual Rainfall
717.0mm
August wettest
99.6mm peak
Rainy Days/Year
188.0
days > 0.1mm
~16/mo avg
Avg Humidity
75.6%
UV: —
Wind: 18.6 km/h

Best Time to Visit Warsaw

Based on temperature comfort, low rainfall, and sunshine hours, the best months to visit Warsaw are:

July, June, August

Scores based on ideal temperature (18-28°C), low precipitation, and high sunshine. July scores 61/100.

Warsaw has a Humid Continental climate with mild summers and cold winters. The warmest month is July with an average temperature of 20.8°C (69.4°F), while January is the coldest at 0.9°C (33.6°F). Annual precipitation averages 717.0mm spread across approximately 188.0 rainy days per year, with August being the wettest month at 99.6mm and March the driest at 30.4mm. The city receives an average of 2.1-12.4 hours of sunshine per day, with the sunniest months being June and July. Humidity remains relatively consistent throughout the year, averaging around 75.6% annually, while average wind speeds reach 18.6 km/h. The overall annual mean temperature is 10.2°C (50.4°F), reflecting the humid continental conditions shaped by Warsaw's latitude (52.23°) and surrounding geography. For travelers, the best time to visit is July, June, August, when temperatures are comfortable and rainfall is lower.

Writer's Note — David Chen

Warsaw's humid continental climate creates four distinct seasons with cold winters and warm summers. I've studied the data and found that the city experiences beautiful autumns and springs. The best time for visiting is May to September, when temperatures are comfortable and the city's historic Old Town can be explored in pleasant weather.

Seasonal Climate Overview

Spring (Mar-May)

Average temperature 8.9°C (48.0°F), rainfall 50.5mm, sunshine 9.3 hrs/day, humidity 68.3%. Mild transitional weather characterizes this period. Expect around 14.9 rainy days per month.

Summer (Jun-Aug)

Average temperature 20.2°C (68.4°F), rainfall 84.6mm, sunshine 11.6 hrs/day, humidity 68.4%. Mild transitional weather characterizes this period. Expect around 18.7 rainy days per month.

Autumn (Sep-Nov)

Average temperature 10.4°C (50.7°F), rainfall 48.5mm, sunshine 6.2 hrs/day, humidity 80.7%. Mild transitional weather characterizes this period. Expect around 15.0 rainy days per month.

Winter (Dec-Feb)

Average temperature 1.4°C (34.5°F), rainfall 55.5mm, sunshine 3.0 hrs/day, humidity 85.1%. Cold season conditions dominate. Expect around 14.1 rainy days per month.

Monthly Temperature Averages (°C / °F)

MonthAvg HighAvg LowMean Temp
January 3.0°C (37.4°F) -1.4°C (29.5°F) 0.9°C (33.6°F)
February 5.5°C (41.9°F) -0.8°C (30.6°F) 2.3°C (36.1°F)
March 8.9°C (48.0°F) 0.2°C (32.4°F) 4.3°C (39.7°F)
April 13.1°C (55.6°F) 3.8°C (38.8°F) 8.5°C (47.3°F)
May 18.8°C (65.8°F) 8.6°C (47.5°F) 13.9°C (57.0°F)
June 24.3°C (75.7°F) 14.2°C (57.6°F) 19.4°C (66.9°F)
July 25.6°C (78.1°F) 16.0°C (60.8°F) 20.8°C (69.4°F)
August 25.1°C (77.2°F) 15.7°C (60.3°F) 20.3°C (68.5°F)
September 20.6°C (69.1°F) 11.3°C (52.3°F) 15.8°C (60.4°F)
October 14.5°C (58.1°F) 7.2°C (45.0°F) 10.6°C (51.1°F)
November 7.1°C (44.8°F) 2.4°C (36.3°F) 4.7°C (40.5°F)
December 3.1°C (37.6°F) -1.0°C (30.2°F) 1.1°C (34.0°F)

Monthly Precipitation (mm)

MonthAvg RainfallBar
January 57.0 mm
February 59.7 mm
March 30.4 mm
April 54.8 mm
May 66.3 mm
June 80.0 mm
July 74.2 mm
August 99.6 mm
September 51.2 mm
October 55.4 mm
November 39.0 mm
December 49.7 mm

Monthly Rainy Days (avg days with rain > 0.1mm)

MonthAvg Rainy DaysBar
January 14.0
February 16.2
March 13.2
April 16.6
May 14.8
June 16.8
July 20.8
August 18.4
September 12.2
October 17.2
November 15.6
December 12.2

Monthly Humidity (%)

MonthAvg HumidityBar
January 86.2%
February 82.0%
March 72.6%
April 68.7%
May 63.5%
June 67.8%
July 66.3%
August 71.1%
September 73.9%
October 81.7%
November 86.6%
December 87.1%

Monthly Wind Speed (avg max km/h)

MonthAvg Max WindBar
January 20.9 km/h
February 22.2 km/h
March 19.1 km/h
April 19.1 km/h
May 19.6 km/h
June 16.8 km/h
July 17.5 km/h
August 16.1 km/h
September 16.7 km/h
October 19.1 km/h
November 17.7 km/h
December 18.7 km/h

Monthly UV Index (avg max)

MonthUV IndexRisk LevelBar
January — —
February — —
March — —
April — —
May — —
June — —
July — —
August — —
September — —
October — —
November — —
December — —

Monthly Snowfall (cm)

MonthAvg SnowfallBar
January 14.5 cm
February 8.1 cm
March 5.4 cm
April 3.5 cm
May 0.3 cm
June 0.0 cm
July 0.0 cm
August 0.0 cm
September 0.0 cm
October 0.0 cm
November 6.8 cm
December 9.5 cm

Monthly Sunshine Hours (daily average)

MonthAvg Daily SunshineBar
January 2.6 hrs
February 4.4 hrs
March 7.4 hrs
April 9.0 hrs
May 11.5 hrs
June 12.4 hrs
July 12.0 hrs
August 10.4 hrs
September 9.1 hrs
October 6.1 hrs
November 3.3 hrs
December 2.1 hrs

Frequently Asked Questions

What is the hottest month in Warsaw?

July is the hottest month with an average temperature of 20.8°C (69.4°F).

What is the coldest month in Warsaw?

January is the coldest month with an average temperature of 0.9°C (33.6°F).

What is the rainiest month in Warsaw?

August is the wettest month with an average of 99.6mm of precipitation. The city experiences about 188.0 rainy days per year.

When is the best time to visit Warsaw?

The best time to visit Warsaw is during July, June, August, when temperatures are comfortable and rainfall is lower.

Cities with Similar Climate (Humid Continental)

Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 52.23°, 21.01°. Timezone: Europe/Warsaw. Last updated: 2026-07-30.