Hamm in December
4.6out of 10
Not the best time
Cold: highs around 6°C. Frequent rain: about 13 rainy days.
6°CAvg high
1°CAvg low
13Rainy days (73 mm)
7:35 hDaylight
08:37Sunrise · 16:13 Sunset
Why this score
- Cold: highs around 6°C
- Frequent rain: about 13 rainy days
- Rain varies a lot between years (±4.6 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 (±4.6 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 | 5°C | 0°C | 70 mm | 14 | – | – | 4.4 |
| February | 6°C | 1°C | 57 mm | 12 | – | – | 4.8 |
| March | 10°C | 3°C | 59 mm | 12 | – | – | 5.4 |
| April | 14°C | 5°C | 48 mm | 11 | – | – | 6.4 |
| May | 18°C | 9°C | 57 mm | 11 | – | – | 7.0 |
| June | 21°C | 12°C | 63 mm | 12 | – | – | 7.4 |
| July | 23°C | 14°C | 72 mm | 13 | – | – | 7.3 |
| August | 23°C | 14°C | 75 mm | 12 | – | – | 7.5 |
| September | 19°C | 11°C | 63 mm | 11 | – | – | 7.1 |
| October | 14°C | 7°C | 65 mm | 12 | – | – | 6.2 |
| November | 9°C | 4°C | 65 mm | 13 | – | – | 5.3 |
| December | 6°C | 1°C | 73 mm | 13 | – | – | 4.6 |
Frequently asked questions
How hot is Hamm in December?
Daytime highs average 6°C and nights about 1°C.
When is the best time to visit Hamm?
The best months are August, June, July, September.