Weather in Helsinki in December
Helsinki offers cool weather with frequent rainfall (avg -0.6°C, 13 rainy days). Weather score: 1.3/10 · Poor
Avg temp
-0.6°C
Daytime high
1.1°C
Night low
-2.5°C
Rainy days
13
Sun per day
1.3 h
Helsinki climate table – all 12 months
| Month | Avg temp | High | Low | Rainy days | Sun/day | Score |
|---|---|---|---|---|---|---|
| January | -3.1°C | -1.2°C | -5.3°C | 13 | 1.3 h | 1.3/10 |
| February | -2.3°C | -0.2°C | -4.7°C | 11 | 3.4 h | 2.3/10 |
| March | -0.5°C | 2.2°C | -3.3°C | 10 | 6.9 h | 4.1/10 |
| April | 4°C | 7.5°C | 0.5°C | 9 | 10.5 h | 6.1/10 |
| May | 9.9°C | 13.4°C | 5.9°C | 10 | 12.6 h | 6.8/10 |
| June | 15.3°C | 18.5°C | 11.5°C | 11 | 14.3 h | 7.6/10 |
| July | 17.7°C | 20.7°C | 14.2°C | 12 | 13.6 h | 8.8/10 |
| August | 17°C | 19.9°C | 14°C | 13 | 11.1 h | 7.6/10 |
| September | 12.7°C | 15.2°C | 10.1°C | 10 | 8.3 h | 7.6/10 |
| October | 6.8°C | 8.8°C | 4.6°C | 12 | 4.6 h | 4.1/10 |
| November | 2.8°C | 4.3°C | 1.1°C | 13 | 1.8 h | 1.3/10 |
| December | -0.6°C | 1.1°C | -2.5°C | 13 | 1.3 h | 1.3/10 |
Top alternatives in December
Chile
Santiago · ⭐ 10
Thailand
Bangkok · ⭐ 10
Thailand
Thailand · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Australia
Perth · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Frequently asked questions about Helsinki in December
How warm is it in Helsinki in December?
In December, Helsinki averages -0.6°C, with daytime highs of 1.1°C and night lows of -2.5°C.
Does it rain a lot in Helsinki in December?
December sees around 13 rainy days and about 65.2 mm of rainfall in Helsinki.
Is December a good month to visit Helsinki?
December scores 1.3/10 for Helsinki. Helsinki offers cool weather with frequent rainfall (avg -0.6°C, 13 rainy days).