Annual Weather Averages Near Granholmen
Averages are for Helsinki Malmi Airport, which is 14 miles from Granholmen.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Granholmen
High Temp: 72 °F
Low Temp: 19 °F
Mean Temp: 43 °F
Precipitation: 2.00"
Humidity: 79%
Dew Point: 36 °F
Wind: 14 mph
Pressure: 29.89 "Hg
Visibility: 7 mi
January Climate & Weather Averages in Granholmen
High Temp: 31 °F
Low Temp: 21 °F
Mean Temp: 26 °F
Precipitation: 1.95"
Humidity: 89%
Dew Point: 23 °F
Wind: 15 mph
Pressure: 29.83 "Hg
Visibility: 6 mi
February Climate & Weather Averages in Granholmen
High Temp: 30 °F
Low Temp: 19 °F
Mean Temp: 25 °F
Precipitation: 1.54"
Humidity: 87%
Dew Point: 21 °F
Wind: 14 mph
Pressure: 29.87 "Hg
Visibility: 6 mi
March Climate & Weather Averages in Granholmen
High Temp: 36 °F
Low Temp: 24 °F
Mean Temp: 30 °F
Precipitation: 1.26"
Humidity: 80%
Dew Point: 24 °F
Wind: 14 mph
Pressure: 29.87 "Hg
Visibility: 7 mi
April Climate & Weather Averages in Granholmen
High Temp: 47 °F
Low Temp: 32 °F
Mean Temp: 40 °F
Precipitation: 1.22"
Humidity: 70%
Dew Point: 30 °F
Wind: 14 mph
Pressure: 29.92 "Hg
Visibility: 7 mi
May Climate & Weather Averages in Granholmen
High Temp: 59 °F
Low Temp: 41 °F
Mean Temp: 50 °F
Precipitation: 1.36"
Humidity: 64%
Dew Point: 38 °F
Wind: 14 mph
Pressure: 29.95 "Hg
Visibility: 8 mi
June Climate & Weather Averages in Granholmen
High Temp: 67 °F
Low Temp: 50 °F
Mean Temp: 58 °F
Precipitation: 1.95"
Humidity: 68%
Dew Point: 48 °F
Wind: 14 mph
Pressure: 29.88 "Hg
Visibility: 8 mi
July Climate & Weather Averages in Granholmen
High Temp: 72 °F
Low Temp: 56 °F
Mean Temp: 64 °F
Precipitation: 2.12"
Humidity: 71%
Dew Point: 54 °F
Wind: 13 mph
Pressure: 29.87 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Granholmen
High Temp: 69 °F
Low Temp: 53 °F
Mean Temp: 61 °F
Precipitation: 3.02"
Humidity: 76%
Dew Point: 53 °F
Wind: 12 mph
Pressure: 29.90 "Hg
Visibility: 7 mi
September Climate & Weather Averages in Granholmen
High Temp: 60 °F
Low Temp: 46 °F
Mean Temp: 53 °F
Precipitation: 2.05"
Humidity: 82%
Dew Point: 47 °F
Wind: 13 mph
Pressure: 29.94 "Hg
Visibility: 7 mi
October Climate & Weather Averages in Granholmen
High Temp: 48 °F
Low Temp: 38 °F
Mean Temp: 43 °F
Precipitation: 2.74"
Humidity: 86%
Dew Point: 39 °F
Wind: 14 mph
Pressure: 29.91 "Hg
Visibility: 7 mi
November Climate & Weather Averages in Granholmen
High Temp: 39 °F
Low Temp: 31 °F
Mean Temp: 35 °F
Precipitation: 2.42"
Humidity: 89%
Dew Point: 32 °F
Wind: 14 mph
Pressure: 29.89 "Hg
Visibility: 6 mi
December Climate & Weather Averages in Granholmen
High Temp: 34 °F
Low Temp: 25 °F
Mean Temp: 30 °F
Precipitation: 2.38"
Humidity: 89%
Dew Point: 27 °F
Wind: 15 mph
Pressure: 29.83 "Hg
Visibility: 6 mi