Annual Weather Averages in Oulu Airport
Oulu Airport is 28 miles from Illinsaari, so the actual climate in Illinsaari can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Illinsaari
High Temp: 70 °F
Low Temp: 10 °F
Mean Temp: 38 °F
Precipitation: 1.72"
Humidity: 80%
Dew Point: 32 °F
Wind: 14 mph
Pressure: 29.83 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Illinsaari
High Temp: 24 °F
Low Temp: 11 °F
Mean Temp: 17 °F
Precipitation: 1.31"
Humidity: 89%
Dew Point: 15 °F
Wind: 14 mph
Pressure: 29.75 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Illinsaari
High Temp: 24 °F
Low Temp: 10 °F
Mean Temp: 17 °F
Precipitation: 1.25"
Humidity: 87%
Dew Point: 14 °F
Wind: 14 mph
Pressure: 29.79 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Illinsaari
High Temp: 32 °F
Low Temp: 17 °F
Mean Temp: 24 °F
Precipitation: 1.05"
Humidity: 81%
Dew Point: 19 °F
Wind: 14 mph
Pressure: 29.79 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Illinsaari
High Temp: 43 °F
Low Temp: 27 °F
Mean Temp: 35 °F
Precipitation: 0.93"
Humidity: 73%
Dew Point: 26 °F
Wind: 14 mph
Pressure: 29.89 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Illinsaari
High Temp: 55 °F
Low Temp: 37 °F
Mean Temp: 46 °F
Precipitation: 1.47"
Humidity: 67%
Dew Point: 35 °F
Wind: 15 mph
Pressure: 29.93 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Illinsaari
High Temp: 65 °F
Low Temp: 48 °F
Mean Temp: 56 °F
Precipitation: 2.01"
Humidity: 66%
Dew Point: 44 °F
Wind: 14 mph
Pressure: 29.86 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Illinsaari
High Temp: 70 °F
Low Temp: 54 °F
Mean Temp: 62 °F
Precipitation: 2.84"
Humidity: 72%
Dew Point: 52 °F
Wind: 13 mph
Pressure: 29.85 "Hg
Visibility: 11 mi
August Climate & Weather Averages in Illinsaari
High Temp: 66 °F
Low Temp: 50 °F
Mean Temp: 58 °F
Precipitation: 2.44"
Humidity: 77%
Dew Point: 51 °F
Wind: 13 mph
Pressure: 29.87 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Illinsaari
High Temp: 56 °F
Low Temp: 42 °F
Mean Temp: 49 °F
Precipitation: 1.87"
Humidity: 82%
Dew Point: 44 °F
Wind: 13 mph
Pressure: 29.89 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Illinsaari
High Temp: 43 °F
Low Temp: 33 °F
Mean Temp: 38 °F
Precipitation: 2.04"
Humidity: 88%
Dew Point: 35 °F
Wind: 14 mph
Pressure: 29.83 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Illinsaari
High Temp: 33 °F
Low Temp: 25 °F
Mean Temp: 29 °F
Precipitation: 1.78"
Humidity: 91%
Dew Point: 27 °F
Wind: 14 mph
Pressure: 29.82 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Illinsaari
High Temp: 28 °F
Low Temp: 17 °F
Mean Temp: 22 °F
Precipitation: 1.61"
Humidity: 90%
Dew Point: 21 °F
Wind: 14 mph
Pressure: 29.74 "Hg
Visibility: 8 mi