Sundbyberg Weather in December
Average highs run from 4°C on December 1 to 1°C on December 31, and lows from 0°C to -4°C. Normal precipitation for the month is 56 mm over about 12 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 2°C
- Average low
- -2°C
- Precipitation
- 56 mm
- Record high
- 13°CDec 20, 2015
- Record low
- -25°CDec 15, 1989
- Daylight
- 6 h 38 min to 6 h 12 min
- Cloud cover
- 82%
- Humidity
- 97%
- Dew point
- -2°C
- Wind
- 10.4 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 4°C | 0°C | 12°C 2006 | -17°C 1988 | 43% |
| Dec 2 | 3°C | -1°C | 11°C 1953 | -16°C 2010 | 42% |
| Dec 3 | 3°C | -1°C | 13°C 1953 | -19°C 1988 | 40% |
| Dec 4 | 3°C | -1°C | 13°C 1953 | -17°C 1969 | 41% |
| Dec 5 | 4°C | -1°C | 12°C 1953 | -14°C 1980 | 41% |
| Dec 6 | 4°C | 0°C | 12°C 2006 | -16°C 2023 | 41% |
| Dec 7 | 4°C | -1°C | 9°C 2006 | -18°C 2021 | 40% |
| Dec 8 | 4°C | -1°C | 10°C 2016 | -21°C 1985 | 40% |
| Dec 9 | 3°C | -1°C | 9°C 2006 | -20°C 1973 | 42% |
| Dec 10 | 4°C | -1°C | 10°C 2015 | -19°C 1973 | 42% |
| Dec 11 | 4°C | 0°C | 10°C 2015 | -19°C 1985 | 43% |
| Dec 12 | 3°C | -1°C | 9°C 2013 | -17°C 1957 | 42% |
| Dec 13 | 2°C | -2°C | 10°C 2000 | -15°C 1958 | 41% |
| Dec 14 | 2°C | -3°C | 12°C 2006 | -21°C 1989 | 40% |
| Dec 15 | 2°C | -2°C | 12°C 2006 | -25°C 1989 | 39% |
| Dec 16 | 2°C | -2°C | 10°C 2024 | -24°C 1989 | 39% |
| Dec 17 | 2°C | -2°C | 9°C 1956 | -19°C 1981 | 40% |
| Dec 18 | 2°C | -2°C | 10°C 2015 | -17°C 1955 | 42% |
| Dec 19 | 2°C | -3°C | 10°C 2015 | -18°C 1955 | 41% |
| Dec 20 | 2°C | -3°C | 13°C 2015 | -21°C 1955 | 40% |
| Dec 21 | 1°C | -4°C | 12°C 2015 | -18°C 1967 | 40% |
| Dec 22 | 0°C | -5°C | 10°C 1974 | -21°C 2010 | 42% |
| Dec 23 | 1°C | -5°C | 10°C 2015 | -22°C 2001 | 41% |
| Dec 24 | 1°C | -5°C | 8°C 1971 | -24°C 2001 | 41% |
| Dec 25 | 2°C | -4°C | 9°C 2024 | -18°C 1995 | 41% |
| Dec 26 | 2°C | -3°C | 11°C 2011 | -20°C 1995 | 40% |
| Dec 27 | 1°C | -4°C | 11°C 2011 | -22°C 1976 | 39% |
| Dec 28 | 1°C | -4°C | 9°C 1957 | -18°C 1978 | 39% |
| Dec 29 | 2°C | -4°C | 9°C 2024 | -17°C 1978 | 40% |
| Dec 30 | 1°C | -3°C | 10°C 2019 | -20°C 1978 | 40% |
| Dec 31 | 1°C | -4°C | 11°C 2016 | -19°C 1962 | 40% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- December 1
- sunrise 8:18 AM, sunset 2:56 PM
- December 31
- sunrise 8:45 AM, sunset 2:57 PM
Other months
Sources
Records: NOAA GHCN-Daily, station SWE00138894, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.