Norrtälje in December
4.2out of 10
Not the best time
Cold: highs around 2°C. Frequent rain: about 11 rainy days.
2°CAvg high
-2°CAvg low
11Rainy days (46 mm)
5:38 hDaylight
08:52Sunrise · 14:31 Sunset
Why this score
- Cold: highs around 2°C
- Frequent rain: about 11 rainy days
- Nights fall to about -2°C
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 (±3.7 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 | 0°C | -4°C | 36 mm | 9 | – | – | 4.1 |
| February | 0°C | -4°C | 29 mm | 7 | – | – | 4.2 |
| March | 3°C | -2°C | 29 mm | 7 | – | – | 4.8 |
| April | 8°C | 1°C | 31 mm | 8 | – | – | 5.7 |
| May | 13°C | 5°C | 39 mm | 9 | – | – | 6.5 |
| June | 17°C | 10°C | 59 mm | 10 | – | – | 6.9 |
| July | 20°C | 13°C | 62 mm | 10 | – | – | 7.5 |
| August | 20°C | 13°C | 64 mm | 12 | – | – | 7.2 |
| September | 15°C | 9°C | 50 mm | 9 | – | – | 6.8 |
| October | 9°C | 5°C | 50 mm | 10 | – | – | 5.8 |
| November | 5°C | 1°C | 49 mm | 11 | – | – | 4.8 |
| December | 2°C | -2°C | 46 mm | 11 | – | – | 4.2 |
Frequently asked questions
How hot is Norrtälje in December?
Daytime highs average 2°C and nights about -2°C.
When is the best time to visit Norrtälje?
The best months are July, August, June.