Keflavík Weather in January
Average highs run from 3°C on January 1 to 4°C on January 31, and lows from to . Normal precipitation for the month is 155 mm over about 22 wet days.
January day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 3°C
- Precipitation
- 155 mm
- Record high
- 10°CJan 31, 1999
- Record low
- -16°CJan 24, 1956
- Daylight
- 4 h 28 min to 7 h 03 min
- Cloud cover
- 83%
- Humidity
- 88%
- Dew point
- -1°C
- Wind
- 28.8 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 3°C | 8°C 1954 | -8°C 1952 | 68% | |
| Jan 2 | 4°C | -1°C | 9°C 2002 | -14°C 1968 | 68% |
| Jan 3 | 3°C | 9°C 2019 | -13°C 1968 | 67% | |
| Jan 4 | 4°C | -1°C | 10°C 2013 | -12°C 1968 | 68% |
| Jan 5 | 4°C | 10°C 2013 | -11°C 1982 | 70% | |
| Jan 6 | 3°C | 8°C 1964 | -9°C 1988 | 70% | |
| Jan 7 | 3°C | -1°C | 9°C 1964 | -12°C 2011 | 70% |
| Jan 8 | 3°C | 9°C 2024 | -12°C 1970 | 70% | |
| Jan 9 | 3°C | -1°C | 8°C 1960 | -10°C 1959 | 71% |
| Jan 10 | 3°C | 9°C 2003 | -11°C 1979 | 71% | |
| Jan 11 | 3°C | 9°C 2003 | -9°C 1955 | 72% | |
| Jan 12 | 4°C | -1°C | 9°C 1980 | -10°C 1955 | 73% |
| Jan 13 | 3°C | -1°C | 8°C 1957 | -13°C 1955 | 73% |
| Jan 14 | 3°C | -1°C | 9°C 2025 | -13°C 1969 | 73% |
| Jan 15 | 3°C | 9°C 1972 | -14°C 1969 | 73% | |
| Jan 16 | 3°C | -2°C | 8°C 1972 | -13°C 1984 | 72% |
| Jan 17 | 3°C | 8°C 1964 | -11°C 1984 | 72% | |
| Jan 18 | 9°C 1964 | -13°C 1998 | 72% | ||
| Jan 19 | 3°C | -2°C | 8°C 2011 | -12°C 2024 | 72% |
| Jan 20 | 4°C | 8°C 2010 | -12°C 1971 | 72% | |
| Jan 21 | 3°C | -2°C | 8°C 2022 | -11°C 1959 | 71% |
| Jan 22 | 4°C | 9°C 2026 | -13°C 1956 | 70% | |
| Jan 23 | 4°C | 10°C 2010 | -15°C 1956 | 70% | |
| Jan 24 | 4°C | -1°C | 10°C 2010 | -16°C 1956 | 69% |
| Jan 25 | 3°C | 9°C 2010 | -11°C 1988 | 69% | |
| Jan 26 | 3°C | 8°C 1965 | -8°C 1968 | 68% | |
| Jan 27 | 4°C | 9°C 2011 | -12°C 1994 | 68% | |
| Jan 28 | 3°C | -3°C | 9°C 2007 | -12°C 1994 | 69% |
| Jan 29 | 4°C | -2°C | 10°C 2007 | -12°C 1971 | 70% |
| Jan 30 | 3°C | 9°C 2007 | -14°C 1971 | 69% | |
| Jan 31 | 4°C | 10°C 1999 | -13°C 1979 | 69% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT).
- January 1
- sunrise 11:20 AM, sunset 3:48 PM
- January 31
- sunrise 10:13 AM, sunset 5:16 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.