Trondheim Weather in December
Average highs run from 0°C on December 1 to -2°C on December 31, and lows from -4°C to -6°C. Normal precipitation for the month is 136 mm over about 22 wet days.
December day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
December at a glance
- Average high
- -1°C
- Average low
- -5°C
- Precipitation
- 136 mm
- Reanalysis high
- 8°CDec 2, 1998
- Reanalysis low
- -20°CDec 30, 2001
- Daylight
- 5 h 20 min to 4 h 43 min
- Cloud cover
- 76%
- Humidity
- 96%
- Dew point
- -3°C
- Wind
- 13.0 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 0°C | -4°C | 6°C 2006 | -17°C 2010 | 61% |
| Dec 2 | 0°C | -4°C | 8°C 1998 | -14°C 2012 | 60% |
| Dec 3 | 0°C | -4°C | 6°C 2014 | -16°C 2010 | 60% |
| Dec 4 | 0°C | -4°C | 6°C 2014 | -17°C 2010 | 61% |
| Dec 5 | 0°C | -4°C | 6°C 2000 | -13°C 2012 | 62% |
| Dec 6 | 0°C | -4°C | 7°C 2000 | -14°C 2012 | 63% |
| Dec 7 | 0°C | -4°C | 5°C 2003 | -13°C 2012 | 62% |
| Dec 8 | 0°C | -4°C | 6°C 2016 | -16°C 1999 | 63% |
| Dec 9 | 0°C | -4°C | 7°C 2016 | -15°C 1999 | 63% |
| Dec 10 | 0°C | -4°C | 5°C 2001 | -16°C 1999 | 64% |
| Dec 11 | 0°C | -4°C | 6°C 2013 | -17°C 1999 | 65% |
| Dec 12 | 0°C | -4°C | 6°C 2013 | -19°C 1999 | 66% |
| Dec 13 | 0°C | -4°C | 6°C 2004 | -16°C 1999 | 66% |
| Dec 14 | 0°C | -4°C | 5°C 2001 | -14°C 2012 | 66% |
| Dec 15 | 0°C | -5°C | 4°C 2004 | -19°C 1999 | 67% |
| Dec 16 | 0°C | -5°C | 5°C 2001 | -13°C 2009 | 67% |
| Dec 17 | -1°C | -5°C | 8°C 1998 | -17°C 2009 | 68% |
| Dec 18 | -1°C | -5°C | 7°C 2016 | -16°C 2009 | 68% |
| Dec 19 | -1°C | -5°C | 7°C 2016 | -18°C 2010 | 68% |
| Dec 20 | -1°C | -5°C | 7°C 2015 | -18°C 2010 | 67% |
| Dec 21 | -1°C | -5°C | 5°C 2006 | -18°C 2010 | 67% |
| Dec 22 | -1°C | -5°C | 6°C 2006 | -18°C 2010 | 68% |
| Dec 23 | -1°C | -5°C | 7°C 2006 | -17°C 2010 | 68% |
| Dec 24 | -1°C | -6°C | 5°C 2006 | -20°C 2010 | 66% |
| Dec 25 | -1°C | -6°C | 5°C 2016 | -19°C 2010 | 66% |
| Dec 26 | -1°C | -6°C | 7°C 2011 | -15°C 1993 | 65% |
| Dec 27 | -2°C | -6°C | 5°C 2006 | -16°C 1993 | 64% |
| Dec 28 | -2°C | -6°C | 4°C 2016 | -17°C 2010 | 63% |
| Dec 29 | -2°C | -6°C | 5°C 2019 | -19°C 2000 | 62% |
| Dec 30 | -2°C | -6°C | 7°C 2016 | -20°C 2001 | 62% |
| Dec 31 | -2°C | -6°C | 5°C 2018 | -20°C 2001 | 61% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- December 1
- sunrise 9:27 AM, sunset 2:47 PM
- December 31
- sunrise 10:00 AM, sunset 2:43 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.