Grimstad in December
4.1out of 10
Not the best time
Cold: highs around 4°C. Frequent rain: about 14 rainy days.
4°CAvg high
1°CAvg low
14Rainy days (104 mm)
6:05 hDaylight
09:19Sunrise · 15:24 Sunset
Why this score
- Cold: highs around 4°C
- Frequent rain: about 14 rainy days
- Rain varies a lot between years (±5.1 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 (±5.1 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 | 3°C | 0°C | 107 mm | 14 | – | – | 3.9 |
| February | 3°C | -1°C | 81 mm | 12 | – | – | 4.3 |
| March | 5°C | 0°C | 70 mm | 10 | – | – | 4.9 |
| April | 9°C | 4°C | 58 mm | 10 | – | – | 5.7 |
| May | 14°C | 8°C | 63 mm | 10 | – | – | 6.5 |
| June | 18°C | 11°C | 75 mm | 10 | – | – | 7.1 |
| July | 20°C | 14°C | 72 mm | 10 | – | – | 7.5 |
| August | 20°C | 13°C | 101 mm | 12 | – | – | 7.0 |
| September | 16°C | 11°C | 106 mm | 13 | – | – | 6.3 |
| October | 11°C | 7°C | 119 mm | 14 | – | – | 5.3 |
| November | 7°C | 3°C | 115 mm | 15 | – | – | 4.6 |
| December | 4°C | 1°C | 104 mm | 14 | – | – | 4.1 |
Frequently asked questions
How hot is Grimstad in December?
Daytime highs average 4°C and nights about 1°C.
When is the best time to visit Grimstad?
The best months are July, June, August.