Warsaw Weather in January

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
Avg High
3.0°C
37.4°F
Avg Low
-1.4°C
29.5°F
Mean Temp
0.9°C
33.6°F
Rainfall
57.0 mm
14.0 rainy days
Sunshine
2.6 hrs
per day average
Humidity
86.2%
relative humidity
Wind
20.9 km/h
avg max wind
UV Index
—
not available
Snowfall
14.5
14.5 cm

January in Warsaw sees average temperatures ranging from a low of -1.4°C (29.5°F) to a high of 3.0°C (37.4°F), with a mean of 0.9°C (33.6°F). Compared to the annual average of 10.2°C (50.4°F), this month is 9.3°C cooler than the yearly norm. This is the coldest month of the year, with average lows of -1.4°C (29.5°F). Precipitation averages 57.0mm, making it approximately 3.0mm drier than the monthly average of 60.0mm. The city receives an average of 2.6 hours of sunshine per day during January, with relative humidity averaging 86.2%. Wind speeds reach an average maximum of 20.9 km/h. Snowfall averages 14.5cm during January, which can affect travel plans and outdoor activities. For travelers, this month offers a coldest month of the year experience in Warsaw, with drier-than-average conditions compared to the rest of the year.

Writer's Note — David Chen on January

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.

January vs Adjacent Months

MetricDecemberJanuaryFebruary
Mean Temp 1.1°C (34.0°F) 0.9°C (33.6°F) 2.3°C (36.1°F)
Rainfall 49.7mm 57.0mm 59.7mm
Sunshine 2.1 hrs 2.6 hrs 4.4 hrs
Humidity 87.1% 86.2% 82.0%
Wind 18.7 km/h 20.9 km/h 22.2 km/h
Rainy Days 12.2 14.0 16.2
Snowfall 9.5 cm 14.5 cm 8.1 cm

Seasonal Context

January falls in Winter in the Northern Hemisphere. Winter is the coolest season with the shortest daylight hours. For travelers visiting Warsaw in January, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.

Frequently Asked Questions

What is the average temperature in Warsaw in January?

The average temperature in Warsaw during January ranges from -1.4°C (29.5°F) to 3.0°C (37.4°F), with a mean of 0.9°C (33.6°F).

How much does it rain in Warsaw in January?

Warsaw receives an average of 57.0mm of precipitation in January, spread across approximately 14.0 rainy days.

What should I pack for Warsaw in January?

Based on January weather data, pack heavy winter clothing, thermal layers, and a warm coat.

Is January a good time to visit Warsaw?

January is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.

Other Months for Warsaw

Cities with Similar January 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.