Cool
Average highs are around 1°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 1°C, so pack for cooler days. Sunshine averages 1h per day, so this is not one of the brighter months. Rainfall averages 37mm, which is relatively low for holiday planning.

Monthly averages
Temp
1°C
Rain
37mm
Sun
1h
Weather score
22
Poor
Cool
Average highs are around 1°C, so pack for cooler days.
Drier
Rainfall averages 37mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 1h per day, so this is not one of the brighter months.
Map
Compare Warszawa, Poland with nearby places by weather score, rain, sun, temperature, and swim conditions.
December1°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
December37mm average rain
December sits on the drier side of Warszawa's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December1 hour average sun
December is one of Warszawa's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
December22 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.