Koszalin in December
4.3out of 10
Not the best time
Cold: highs around 3°C. Frequent rain: about 12 rainy days.
3°CAvg high
0°CAvg low
12Rainy days (58 mm)
7:06 hDaylight
08:18Sunrise · 15:25 Sunset
Why this score
- Cold: highs around 3°C
- Frequent rain: about 12 rainy days
- Nights fall to about 0°C
- Rain varies a lot between years (±4.0 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 December varies a lot between years (±4.0 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 | 2°C | -2°C | 54 mm | 12 | – | – | 4.1 |
| February | 3°C | -2°C | 44 mm | 10 | – | – | 4.4 |
| March | 6°C | 0°C | 49 mm | 10 | – | – | 5.0 |
| April | 12°C | 4°C | 38 mm | 9 | – | – | 6.2 |
| May | 16°C | 8°C | 56 mm | 11 | – | – | 6.6 |
| June | 19°C | 11°C | 71 mm | 12 | – | – | 7.0 |
| July | 21°C | 14°C | 90 mm | 13 | – | – | 7.2 |
| August | 22°C | 14°C | 78 mm | 14 | – | – | 7.2 |
| September | 18°C | 11°C | 68 mm | 12 | – | – | 6.8 |
| October | 12°C | 7°C | 66 mm | 12 | – | – | 5.9 |
| November | 7°C | 3°C | 53 mm | 12 | – | – | 5.1 |
| December | 3°C | 0°C | 58 mm | 12 | – | – | 4.3 |
Frequently asked questions
How hot is Koszalin in December?
Daytime highs average 3°C and nights about 0°C.
When is the best time to visit Koszalin?
The best months are July, August, June, September.