Keflavík Weather in March
Average highs run from 2°C on March 1 to 4°C on March 31, and lows from -1°C to 1°C. Normal precipitation for the month is 143 mm over about 22 wet days.
March day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
March at a glance
- Average high
- 3°C
- Average low
- 0°C
- Precipitation
- 143 mm
- Reanalysis high
- 8°CMar 26, 2012
- Reanalysis low
- -12°CMar 1, 1998
- Daylight
- 10 h 11 min to 13 h 26 min
- Cloud cover
- 80%
- Humidity
- 86%
- Dew point
- -1°C
- Wind
- 26.6 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 |
|---|---|---|---|---|---|
| Mar 1 | 2°C | -1°C | 7°C 2013 | -12°C 1998 | 63% |
| Mar 2 | 2°C | -1°C | 8°C 2004 | -6°C 1998 | 64% |
| Mar 3 | 2°C | -1°C | 7°C 2004 | -7°C 2000 | 63% |
| Mar 4 | 2°C | -1°C | 7°C 1997 | -7°C 1998 | 64% |
| Mar 5 | 2°C | -1°C | 6°C 2005 | -8°C 1998 | 64% |
| Mar 6 | 2°C | -1°C | 6°C 1996 | -9°C 1998 | 65% |
| Mar 7 | 3°C | -1°C | 7°C 2004 | -8°C 1998 | 66% |
| Mar 8 | 3°C | -1°C | 7°C 2004 | -6°C 2020 | 66% |
| Mar 9 | 3°C | 0°C | 8°C 2004 | -7°C 2011 | 67% |
| Mar 10 | 3°C | 0°C | 7°C 2004 | -7°C 2011 | 67% |
| Mar 11 | 3°C | 0°C | 6°C 1993 | -7°C 2002 | 68% |
| Mar 12 | 3°C | 0°C | 7°C 2003 | -6°C 1992 | 68% |
| Mar 13 | 3°C | 0°C | 7°C 1998 | -9°C 1992 | 69% |
| Mar 14 | 3°C | 0°C | 7°C 1998 | -9°C 1992 | 70% |
| Mar 15 | 3°C | 0°C | 7°C 2003 | -7°C 1992 | 69% |
| Mar 16 | 3°C | 0°C | 7°C 2000 | -6°C 2005 | 69% |
| Mar 17 | 3°C | 0°C | 7°C 2003 | -6°C 1995 | 69% |
| Mar 18 | 3°C | 0°C | 7°C 2003 | -7°C 1994 | 69% |
| Mar 19 | 3°C | 0°C | 7°C 2005 | -7°C 1994 | 68% |
| Mar 20 | 3°C | 0°C | 8°C 2003 | -7°C 1994 | 67% |
| Mar 21 | 3°C | 0°C | 7°C 2005 | -6°C 2006 | 66% |
| Mar 22 | 3°C | 0°C | 7°C 2005 | -6°C 2006 | 66% |
| Mar 23 | 3°C | 0°C | 8°C 2005 | -6°C 1993 | 64% |
| Mar 24 | 3°C | 0°C | 7°C 2005 | -7°C 1998 | 64% |
| Mar 25 | 3°C | 0°C | 8°C 1991 | -6°C 2001 | 63% |
| Mar 26 | 4°C | 0°C | 8°C 2012 | -7°C 2001 | 64% |
| Mar 27 | 4°C | 0°C | 8°C 2005 | -5°C 2001 | 64% |
| Mar 28 | 4°C | 0°C | 7°C 2005 | -4°C 2001 | 64% |
| Mar 29 | 4°C | 0°C | 7°C 2005 | -6°C 2009 | 64% |
| Mar 30 | 4°C | 0°C | 7°C 2007 | -5°C 2009 | 63% |
| Mar 31 | 4°C | 1°C | 7°C 2007 | -6°C 2015 | 63% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT).
- March 1
- sunrise 8:38 AM, sunset 6:49 PM
- March 31
- sunrise 6:52 AM, sunset 8:18 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.