Annual Weather Averages in Keflavík
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Keflavík
High Temp: 58 °F
Low Temp: 28 °F
Mean Temp: 42 °F
Precipitation: 3.30"
Humidity: 81%
Dew Point: 35 °F
Wind: 27 mph
Pressure: 29.68 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Keflavík
High Temp: 38 °F
Low Temp: 29 °F
Mean Temp: 34 °F
Precipitation: 4.44"
Humidity: 82%
Dew Point: 28 °F
Wind: 31 mph
Pressure: 29.46 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Keflavík
High Temp: 38 °F
Low Temp: 28 °F
Mean Temp: 33 °F
Precipitation: 3.67"
Humidity: 80%
Dew Point: 28 °F
Wind: 32 mph
Pressure: 29.49 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Keflavík
High Temp: 40 °F
Low Temp: 30 °F
Mean Temp: 35 °F
Precipitation: 3.63"
Humidity: 80%
Dew Point: 28 °F
Wind: 30 mph
Pressure: 29.62 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Keflavík
High Temp: 44 °F
Low Temp: 34 °F
Mean Temp: 39 °F
Precipitation: 2.63"
Humidity: 77%
Dew Point: 32 °F
Wind: 28 mph
Pressure: 29.82 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Keflavík
High Temp: 49 °F
Low Temp: 39 °F
Mean Temp: 44 °F
Precipitation: 2.21"
Humidity: 76%
Dew Point: 36 °F
Wind: 25 mph
Pressure: 29.92 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Keflavík
High Temp: 55 °F
Low Temp: 44 °F
Mean Temp: 50 °F
Precipitation: 1.59"
Humidity: 78%
Dew Point: 42 °F
Wind: 22 mph
Pressure: 29.90 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Keflavík
High Temp: 58 °F
Low Temp: 48 °F
Mean Temp: 53 °F
Precipitation: 2.12"
Humidity: 82%
Dew Point: 46 °F
Wind: 21 mph
Pressure: 29.81 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Keflavík
High Temp: 57 °F
Low Temp: 47 °F
Mean Temp: 52 °F
Precipitation: 3.18"
Humidity: 84%
Dew Point: 46 °F
Wind: 22 mph
Pressure: 29.77 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Keflavík
High Temp: 52 °F
Low Temp: 43 °F
Mean Temp: 48 °F
Precipitation: 3.88"
Humidity: 84%
Dew Point: 42 °F
Wind: 27 mph
Pressure: 29.67 "Hg
Visibility: 8 mi
October Climate & Weather Averages in Keflavík
High Temp: 46 °F
Low Temp: 37 °F
Mean Temp: 41 °F
Precipitation: 3.78"
Humidity: 82%
Dew Point: 36 °F
Wind: 27 mph
Pressure: 29.65 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Keflavík
High Temp: 41 °F
Low Temp: 32 °F
Mean Temp: 37 °F
Precipitation: 4.06"
Humidity: 82%
Dew Point: 31 °F
Wind: 29 mph
Pressure: 29.56 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Keflavík
High Temp: 39 °F
Low Temp: 29 °F
Mean Temp: 34 °F
Precipitation: 4.39"
Humidity: 82%
Dew Point: 29 °F
Wind: 30 mph
Pressure: 29.50 "Hg
Visibility: 8 mi