- Temperature
- -4.8 to 23.6°C
Updated July 2026 · Sources cited: climatestotravel.com, weather-and-climate.com
Good to know
Good to Know
- In July and August, nights can be cool or even cold, so bring a sweatshirt or light jacket for evenings
- Summer sometimes brings rains and thunderstorms despite pleasant temperatures
- Air quality dips to its worst levels during winter months, in the Moderate range; sensitive travelers should be aware
- Shoulder seasons (May, June, and September) provide balanced weather with manageable conditions and fewer crowds
Daylight
- Longest Day
- June 21, sun rises at 4:14 am and sets at 9:01 pm
- Shortest Day
- December 21, sun rises at 7:43 am and sets at 3:25 pm
Rainfall
- Annual Mm
- 714
- Seasonal Pattern
- Rainfall is heaviest in summer; winter receives the least rain
Dry Month
- Month
- February
- Rainfall Mm
- 26
- Note
- Least rainfall observed in February at 26 mm on average
Peak Month
- Month
- July
- Rainfall Mm
- 89
- Note
- Wettest month with around 89 mm of rainfall
Snowfall
- Annual Cm
- 30
- Occurs During
- December–February primarily; may occasionally fall in March, January, April, November, and December
- Note
- Snowfalls are frequent but generally not abundant
Best Months
Mid-May to mid-September, the warmest and sunniest period of the year
Temperature
Peak
- Months
- June–August
- Season
- summer
- Avg Low Celsius
- 12.3
- Avg High Celsius
- 23.6
- Avg Low Fahrenheit
- 54
- Avg High Fahrenheit
- 74
- Note
- Heat waves can exceed 30°C (86°F); highest record is 37°C (99°F) set in August 2013
Off Peak
- Months
- December–February
- Season
- winter
- Avg Low Celsius
- -4.8
- Avg High Celsius
- 1.9
- Avg Low Fahrenheit
- 23
- Avg High Fahrenheit
- 35
- Note
- Cold waves from Siberia can occur with temperatures dropping to -20°C (-4°F) or below; coldest record is -30.7°C (-23°F) set in January 1987
Worst Months
December to February, with average low temperatures dropping to -4.8°C (23°F) and average highs reaching only 1.9°C (35°F)
Climate Classification
Moderately continental, characterized by cold winters with temperatures often below freezing, and pleasantly warm summers
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Warsaw
Data last updated July 2026 · Verify anything important.