Siilinjärvi in January
3.7out of 10
Not the best time
Cold: highs around -6°C. Frequent rain: about 10 rainy days.
-6°CAvg high
-11°CAvg low
10Rainy days (40 mm)
5:20 hDaylight
09:39Sunrise · 14:58 Sunset
Why this score
- Cold: highs around -6°C
- Frequent rain: about 10 rainy days
- Nights fall to about -11°C
- Rain varies a lot between years (±4.3 days)
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in January varies a lot between years (±4.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -6°C | -11°C | 40 mm | 10 | – | – | 3.7 |
| February | -5°C | -12°C | 34 mm | 9 | – | – | 3.9 |
| March | 0°C | -8°C | 33 mm | 9 | – | – | 3.9 |
| April | 6°C | -2°C | 35 mm | 8 | – | – | 5.1 |
| May | 13°C | 3°C | 53 mm | 10 | – | – | 6.3 |
| June | 18°C | 9°C | 77 mm | 13 | – | – | 6.8 |
| July | 21°C | 12°C | 89 mm | 14 | – | – | 7.1 |
| August | 19°C | 11°C | 82 mm | 13 | – | – | 6.8 |
| September | 13°C | 6°C | 65 mm | 12 | – | – | 6.1 |
| October | 6°C | 2°C | 59 mm | 12 | – | – | 4.9 |
| November | 1°C | -3°C | 55 mm | 12 | – | – | 3.7 |
| December | -3°C | -7°C | 51 mm | 13 | – | – | 3.4 |
Frequently asked questions
How hot is Siilinjärvi in January?
Daytime highs average -6°C and nights about -11°C.
When is the best time to visit Siilinjärvi?
The best months are July, June, August.