Helsinki · WinterMonth summary
Helsinki weather in December
❌ Poor
🌡️ Temperature min / max
-2°C – 2°C
🌧 Rainy days
46% of days
☀️ Sunshine
0.0h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
1.0/10
📅 📅 Best month
June (7.6/10)
Quick decision
Should you visit Helsinki in December?
❌ Poor
✅ Yes if: you enjoy winter atmosphere and the lowest prices of the year.
❌ No if: you're looking for sunshine or outdoor activities.
Our take: December brings a challenging climate (1.0/10). June offers milder conditions if your dates are flexible.
By trip type
Helsinki in December by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
🎯 Tourist low season — museums and monuments without queues Winter in Helsinki is cool (2°C during the day). Days are short (0.0h of sunshine) but the city reveals a different side. With 46% of rainy days, always have indoor alternatives planned.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | -4°C | 0°C | 47% | 2.2 | 0.1h | 1.0/10 |
| 🌨️ February | -4°C | 1°C | 40% | 2.1 | 3.0h | 2.1/10 |
| 🌨️ March | -3°C | 2°C | 33% | 1.4 | 7.7h | 4.1/10 |
| 🌫️ April | 0°C | 7°C | 34% | 1.6 | 11.6h | 5.1/10 |
| ⛅ May | 6°C | 13°C | 29% | 1.5 | 15.0h | 7.1/10 |
| 🌤️ June | 12°C | 19°C | 35% | 2.0 | 16.6h | 7.6/10 |
| 🌤️ July | 14°C | 20°C | 41% | 2.5 | 15.1h | 7.6/10 |
| 🌤️ August | 14°C | 20°C | 44% | 2.8 | 12.5h | 7.3/10 |
| ⛅ September | 11°C | 16°C | 37% | 2.4 | 8.9h | 7.0/10 |
| 🌦️ October | 5°C | 10°C | 46% | 2.8 | 4.4h | 3.8/10 |
| 🌦️ November | 1°C | 5°C | 47% | 2.6 | 0.4h | 1.0/10 |
| 🌨️ December | -2°C | 2°C | 46% | 2.2 | 0.0h | 1.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Helsinki averages 2°C, 46% rainy days and 0.0h of sunshine per day. Overall weather score: 1.0/10.
See methodology →
Comparison
December vs June (best month)
The best month is June (score 7.6/10). Difference:
- 🌡️ Max temperature : +17°C
- 🌧 Rainy days : -11%
- ☀️ Sunshine : +16.6h/day
FAQ
FAQ — Helsinki in December
Is December a good time to visit Helsinki?
December is not recommended for Helsinki (score 1.0/10). With 46% rainy days and 0.0h of sunshine, consider June (7.6/10) instead.
What's the weather like in Helsinki in December?
It's cool with 2°C daytime and -2°C at night. 0.0h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities and tours in Helsinki
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