Helsinki in January
In January, Helsinki averages -3°C (27°F) during the day and -7°C (19°F) at night, with frequent rain — about 17 days of the month see precipitation (55 mm total).
Conditions are deeply cold — proper winter gear is essential. Expect daily rain or showers, often in heavy bursts. Snowfall occurs on roughly 11 days.
January is one of the wetter and less comfortable months in Helsinki. If your dates are flexible, consider a different time of year.
-3°C
Avg high
-7°C
Avg low
17
Rain days
55 mm
Rainfall
11
Snow days
Helsinki in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -3°C / 27°F | -7°C / 19°F | 55 mm | 17 | 11 |
| February | -3°C / 27°F | -8°C / 18°F | 40 mm | 15 | 11 |
| March | 1°C / 34°F | -5°C / 23°F | 40 mm | 12 | 7 |
| April | 8°C / 46°F | 0°C / 32°F | 35 mm | 11 | 2 |
| May | 15°C / 59°F | 5°C / 41°F | 40 mm | 11 | 0 |
| June | 19°C / 66°F | 11°C / 52°F | 55 mm | 12 | 0 |
| July | 22°C / 72°F | 14°C / 57°F | 75 mm | 12 | 0 |
| August | 20°C / 68°F | 13°C / 55°F | 80 mm | 13 | 0 |
| September | 15°C / 59°F | 8°C / 46°F | 70 mm | 13 | 0 |
| October | 8°C / 46°F | 3°C / 37°F | 80 mm | 15 | 0 |
| November | 3°C / 37°F | -1°C / 30°F | 70 mm | 16 | 5 |
| December | -1°C / 30°F | -5°C / 23°F | 55 mm | 17 | 9 |
Other cities with similar January weather
Check the live 10-day forecast and sunrise/sunset.