Climate averages 1991–2020
Sollentuna weather
in December.
A cold month with moderate precipitation: the 10th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Sollentuna: daytime highs average 1.3°C and nights cool to about -2.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 43 mm of precipitation on roughly 10 days, which makes December a month with moderate precipitation (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 6 h 13 min on an average December day.
The nearest other city in this atlas is Stockholm (13 km away). In December its highs average 1.7°C, about as warm as Sollentuna, with 45 mm of precipitation.
Among the 21 cities listed in Sweden, Sollentuna ranks joint 14th of 21 for the warmest December highs and 3rd of 21 for the driest December (precipitation, lowest first). The mean December high of those 21 cities is 1.6°C; Sollentuna is 0.3°C cooler than that mean.
From December to January, average highs fall by 1.3°C to 0.0°C, and monthly precipitation falls from 43 mm to 35 mm.
The annual picture
December in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sollentuna climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.0°C-3.8°C | -3.8°C | 35 | 7.9 | 6.97 h |
| February | 0.4°C-4.3°C | -4.3°C | 29 | 7.8 | 9.29 h |
| March | 3.8°C-2.4°C | -2.4°C | 29 | 7.7 | 11.812 h |
| April | 9.4°C1.6°C | 1.6°C | 33 | 8.0 | 14.514 h |
| May | 14.7°C6.5°C | 6.5°C | 44 | 9.5 | 17.017 h |
| June | 18.7°C11.2°C | 11.2°C | 68 | 11.0 | 18.518 h |
| July | 21.5°C14.3°C | 14.3°C | 70 | 11.5 | 17.818 h |
| August | 20.4°C13.9°C | 13.9°C | 72 | 12.2 | 15.616 h |
| September | 15.6°C9.9°C | 9.9°C | 50 | 8.5 | 12.913 h |
| October | 9.3°C5.0°C | 5.0°C | 48 | 9.6 | 10.310 h |
| November | 4.4°C1.2°C | 1.2°C | 45 | 10.0 | 7.78 h |
| December, selected | 1.3°C-2.2°C | -2.2°C | 43 | 10.1 | 6.26 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Stockholm in DecemberSweden · 13 kmHigh 1.7°C · Low -1.6°C · 45 mm precipitation
- Huddinge in DecemberSweden · 21 kmHigh 1.7°C · Low -1.6°C · 45 mm precipitation
- Haninge in DecemberSweden · 31 kmHigh 1.7°C · Low -1.5°C · 51 mm precipitation
- Södertälje in DecemberSweden · 32 kmHigh 1.3°C · Low -2.4°C · 44 mm precipitation
- Uppsala in DecemberSweden · 51 kmHigh 0.9°C · Low -3.1°C · 41 mm precipitation
- Västerås in DecemberSweden · 82 kmHigh 0.9°C · Low -3.1°C · 45 mm precipitation
- Mariehamn in DecemberAland Islands · 134 kmHigh 2.8°C · Low 0.4°C · 56 mm rain
- Norrköping in DecemberSweden · 137 kmHigh 1.8°C · Low -1.7°C · 45 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sollentuna) is explained once on the Sollentuna year overview and on the Sources, method and limits page.