Reykjanesbær Weather in December
Average highs run from 4°C on December 1 to 4°C on December 31, and lows from -1°C to . Normal precipitation for the month is 155 mm over about 22 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
- 4°C
- Precipitation
- 155 mm
- Record high
- 22°CDec 10, 2008
- Record low
- -14°CDec 10, 2007
- Daylight
- 5 h 06 min to 4 h 25 min
- Cloud cover
- 82%
- Humidity
- 88%
- Dew point
- 0°C
- Wind
- 27.7 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 | -1°C | 9°C 2022 | -10°C 2011 | 68% |
| Dec 2 | 4°C | 10°C 1995 | -10°C 2024 | 70% | |
| Dec 3 | 3°C | -2°C | 9°C 2019 | -8°C 1966 | 71% |
| Dec 4 | 3°C | -2°C | 8°C 2016 | -7°C 1969 | 72% |
| Dec 5 | 4°C | -2°C | 11°C 2002 | -11°C 2013 | 72% |
| Dec 6 | 4°C | 13°C 1982 | -9°C 1951 | 72% | |
| Dec 7 | 3°C | 9°C 1968 | -14°C 1990 | 71% | |
| Dec 8 | 4°C | 11°C 2004 | -10°C 1967 | 70% | |
| Dec 9 | 4°C | 9°C 2001 | -12°C 1951 | 69% | |
| Dec 10 | 5°C | -1°C | 22°C 2008 | -14°C 2007 | 69% |
| Dec 11 | 4°C | 10°C 2018 | -11°C 1969 | 69% | |
| Dec 12 | 4°C | -1°C | 10°C 2009 | -9°C 1962 | 69% |
| Dec 13 | 4°C | -1°C | 9°C 2009 | -13°C 1973 | 69% |
| Dec 14 | 5°C | -1°C | 10°C 1997 | -12°C 1973 | 68% |
| Dec 15 | 4°C | -1°C | 10°C 2010 | -8°C 2014 | 69% |
| Dec 16 | 4°C | 12°C 2003 | -9°C 1975 | 68% | |
| Dec 17 | 4°C | 10°C 2007 | -13°C 1973 | 67% | |
| Dec 18 | 4°C | -2°C | 10°C 2007 | -14°C 1973 | 67% |
| Dec 19 | 3°C | -3°C | 9°C 2006 | -12°C 1989 | 67% |
| Dec 20 | 4°C | 11°C 2012 | -11°C 1989 | 66% | |
| Dec 21 | 4°C | 11°C 2006 | -12°C 1981 | 66% | |
| Dec 22 | 3°C | 9°C 1997 | -12°C 1974 | 66% | |
| Dec 23 | 3°C | 10°C 2006 | -10°C 1983 | 67% | |
| Dec 24 | 3°C | 10°C 2006 | -10°C 1968 | 67% | |
| Dec 25 | 3°C | 9°C 2005 | -8°C 2015 | 67% | |
| Dec 26 | 3°C | 10°C 2010 | -11°C 1965 | 67% | |
| Dec 27 | 3°C | -1°C | 9°C 2016 | -11°C 1965 | 66% |
| Dec 28 | 3°C | -3°C | 10°C 2006 | -12°C 1961 | 65% |
| Dec 29 | 3°C | -3°C | 9°C 2006 | -11°C 1961 | 65% |
| Dec 30 | 4°C | 8°C 2007 | -9°C 2024 | 65% | |
| Dec 31 | 4°C | 8°C 1988 | -13°C 2022 | 66% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT).
- December 1
- sunrise 10:46 AM, sunset 3:52 PM
- December 31
- sunrise 11:21 AM, sunset 3:46 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ICW00016201, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.