Climate averages 1991–2020
Weather in Finland in January
In January, average daytime highs across the 13 cities listed in Finland range from -6.0°C in Joensuu to -1.5°C in Pori. Monthly precipitation ranges from 35 mm in Oulu to 50 mm in Espoo.
Long-term climate patterns, not a forecast for a particular trip.
City by city
January in Finland
| City | Average highHigh / low | Average low | Precipitation mm | Wet days |
|---|---|---|---|---|
| Helsinki | -2.1°C-6.0°C | -6.0°C | 48 | 10.9 |
| Espoo | -1.9°C-5.8°C | -5.8°C | 50 | 11.1 |
| Tampere | -3.6°C-7.4°C | -7.4°C | 39 | 9.8 |
| Vantaa | -2.3°C-6.7°C | -6.7°C | 48 | 10.9 |
| Oulu | -5.5°C-10.2°C | -10.2°C | 35 | 8.8 |
| Turku | -1.5°C-6.0°C | -6.0°C | 49 | 10.1 |
| Jyväskylä | -4.4°C-8.7°C | -8.7°C | 38 | 10.0 |
| Kuopio | -5.4°C-9.4°C | -9.4°C | 40 | 10.5 |
| Lahti | -3.6°C-8.0°C | -8.0°C | 41 | 10.3 |
| Pori | -1.5°C-5.3°C | -5.3°C | 43 | 10.2 |
| Joensuu | -6.0°C-9.9°C | -9.9°C | 41 | 10.7 |
| Kouvola | -3.8°C-8.3°C | -8.3°C | 44 | 10.6 |
| Lappeenranta | -4.5°C-8.4°C | -8.4°C | 42 | 10.3 |
A wet day is a local calendar day with at least 1 mm of precipitation.