Warsaw weather in January
January is one of the least pleasant months in Warsaw: highs of -1°C (30°F) and about 45 mm (1.8 in) of rain on average. Nights average -7°C (20°F) and cloud cover 82% (NASA POWER, 2001–2025 averages). It is the 6th driest month of the year and the coolest. Compared with December, it is cooler and about as wet; February brings highs of 1°C (34°F) and 38 mm (1.5 in) of rain.
Is January a good time to visit Warsaw?
least pleasant month Weather score 36/100.
January is one of the least pleasant months for weather in Warsaw. For better conditions, consider May–Sep.
Does it rain a lot in Warsaw in January?
No, it is usually dry: about 45 mm (1.8 in) falls in an average January. It is the 6th driest month of the year.
How warm is Warsaw in January?
Days average -1°C (30°F) and nights -7°C (20°F).
Warsaw weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | -1°C (30°F) | -7°C (20°F) | 45 mm | 82% | least pleasant |
| February | 1°C (34°F) | -6°C (22°F) | 38 mm | 80% | least pleasant |
| March | 7°C (44°F) | -2°C (28°F) | 39 mm | 70% | least pleasant |
| April | 14°C (58°F) | 3°C (38°F) | 41 mm | 60% | fair |
| May | 20°C (68°F) | 9°C (48°F) | 74 mm | 63% | best |
| June | 24°C (74°F) | 13°C (55°F) | 67 mm | 62% | best |
| July | 26°C (79°F) | 15°C (59°F) | 76 mm | 65% | best |
| August | 26°C (78°F) | 14°C (58°F) | 62 mm | 60% | best |
| September | 20°C (68°F) | 9°C (49°F) | 52 mm | 61% | best |
| October | 13°C (55°F) | 4°C (39°F) | 49 mm | 70% | fair |
| November | 6°C (43°F) | 1°C (33°F) | 43 mm | 82% | least pleasant |
| December | 1°C (34°F) | -4°C (25°F) | 44 mm | 81% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months