Sundsvall in December
3.7out of 10
Not the best time
Cold: highs around -1°C. Frequent rain: about 10 rainy days.
-1°CAvg high
-7°CAvg low
10Rainy days (50 mm)
4:36 hDaylight
09:29Sunrise · 14:05 Sunset
Why this score
- Cold: highs around -1°C
- Frequent rain: about 10 rainy days
- Nights fall to about -7°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 (±3.6 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 | -3°C | -9°C | 48 mm | 10 | – | – | 3.8 |
| February | -2°C | -9°C | 34 mm | 8 | – | – | 4.0 |
| March | 2°C | -6°C | 35 mm | 7 | – | – | 4.4 |
| April | 8°C | -2°C | 37 mm | 8 | – | – | 5.5 |
| May | 13°C | 3°C | 44 mm | 10 | – | – | 6.3 |
| June | 17°C | 8°C | 58 mm | 11 | – | – | 6.9 |
| July | 20°C | 11°C | 73 mm | 12 | – | – | 7.2 |
| August | 19°C | 10°C | 75 mm | 12 | – | – | 7.0 |
| September | 14°C | 6°C | 55 mm | 10 | – | – | 6.5 |
| October | 7°C | 1°C | 62 mm | 11 | – | – | 5.2 |
| November | 2°C | -3°C | 53 mm | 11 | – | – | 4.0 |
| December | -1°C | -7°C | 50 mm | 10 | – | – | 3.7 |
Frequently asked questions
How hot is Sundsvall in December?
Daytime highs average -1°C and nights about -7°C.
When is the best time to visit Sundsvall?
The best months are July, August, June.