Siglufjörður Weather in December
Average highs run from -1°C on December 1 to -1°C on December 31, and lows from -4°C to -5°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
- 6°CDec 15, 1997
- Reanalysis low
- -17°CDec 6, 2013
- Daylight
- 3 h 58 min to 2 h 59 min
- Cloud cover
- 87%
- Humidity
- 91%
- Dew point
- -4°C
- Wind
- 23.8 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 | -1°C | -4°C | 4°C 1994 | -9°C 2001 | 74% |
| Dec 2 | -1°C | -4°C | 5°C 2019 | -9°C 2008 | 74% |
| Dec 3 | -1°C | -4°C | 5°C 2019 | -11°C 2007 | 74% |
| Dec 4 | -1°C | -4°C | 4°C 1995 | -10°C 2007 | 74% |
| Dec 5 | -1°C | -4°C | 5°C 2002 | -13°C 2020 | 76% |
| Dec 6 | -1°C | -4°C | 4°C 1998 | -17°C 2013 | 74% |
| Dec 7 | -1°C | -4°C | 4°C 1998 | -16°C 2013 | 73% |
| Dec 8 | -1°C | -4°C | 4°C 2015 | -12°C 2017 | 72% |
| Dec 9 | -1°C | -4°C | 4°C 2001 | -11°C 2018 | 70% |
| Dec 10 | -1°C | -4°C | 4°C 2008 | -13°C 2011 | 70% |
| Dec 11 | -1°C | -5°C | 4°C 2001 | -10°C 2003 | 70% |
| Dec 12 | -1°C | -5°C | 4°C 2009 | -10°C 1996 | 69% |
| Dec 13 | -1°C | -5°C | 4°C 2009 | -11°C 1993 | 70% |
| Dec 14 | -1°C | -5°C | 5°C 1997 | -12°C 2003 | 70% |
| Dec 15 | -1°C | -5°C | 6°C 1997 | -9°C 1992 | 70% |
| Dec 16 | -1°C | -5°C | 4°C 2002 | -10°C 2013 | 69% |
| Dec 17 | -1°C | -5°C | 4°C 2007 | -9°C 1993 | 69% |
| Dec 18 | -1°C | -5°C | 5°C 2007 | -12°C 1999 | 70% |
| Dec 19 | -1°C | -5°C | 4°C 2006 | -13°C 1995 | 71% |
| Dec 20 | -1°C | -5°C | 5°C 2006 | -14°C 1995 | 70% |
| Dec 21 | -1°C | -5°C | 4°C 1994 | -15°C 1991 | 71% |
| Dec 22 | -1°C | -5°C | 4°C 2006 | -15°C 1991 | 71% |
| Dec 23 | -1°C | -5°C | 4°C 2006 | -14°C 2010 | 71% |
| Dec 24 | -1°C | -5°C | 5°C 2008 | -10°C 2000 | 72% |
| Dec 25 | -1°C | -5°C | 4°C 2005 | -15°C 2015 | 72% |
| Dec 26 | -1°C | -5°C | 4°C 2010 | -16°C 1995 | 72% |
| Dec 27 | -1°C | -5°C | 5°C 2016 | -11°C 2001 | 73% |
| Dec 28 | -1°C | -5°C | 4°C 1991 | -11°C 2017 | 72% |
| Dec 29 | -1°C | -5°C | 4°C 2014 | -12°C 1995 | 72% |
| Dec 30 | -1°C | -5°C | 4°C 2007 | -12°C 2000 | 72% |
| Dec 31 | -1°C | -5°C | 3°C 1999 | -11°C 1992 | 72% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT).
- December 1
- sunrise 11:05 AM, sunset 3:03 PM
- December 31
- sunrise 11:49 AM, sunset 2:48 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.