Annual Weather Averages in Nagano
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Nagano
High Temp: 88 °F
Low Temp: 24 °F
Mean Temp: 55 °F
Precipitation: 4.02"
Humidity: 72%
Dew Point: 45 °F
Wind: 10 mph
Pressure: 29.96 "Hg
Visibility: 11 mi
January Climate & Weather Averages in Nagano
High Temp: 39 °F
Low Temp: 24 °F
Mean Temp: 32 °F
Precipitation: 4.80"
Humidity: 80%
Dew Point: 26 °F
Wind: 8 mph
Pressure: 30.09 "Hg
Visibility: 11 mi
February Climate & Weather Averages in Nagano
High Temp: 42 °F
Low Temp: 25 °F
Mean Temp: 33 °F
Precipitation: 4.25"
Humidity: 74%
Dew Point: 26 °F
Wind: 10 mph
Pressure: 30.10 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Nagano
High Temp: 53 °F
Low Temp: 31 °F
Mean Temp: 42 °F
Precipitation: 2.39"
Humidity: 67%
Dew Point: 31 °F
Wind: 11 mph
Pressure: 30.03 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Nagano
High Temp: 63 °F
Low Temp: 39 °F
Mean Temp: 51 °F
Precipitation: 2.70"
Humidity: 61%
Dew Point: 38 °F
Wind: 13 mph
Pressure: 29.96 "Hg
Visibility: 12 mi
May Climate & Weather Averages in Nagano
High Temp: 75 °F
Low Temp: 51 °F
Mean Temp: 63 °F
Precipitation: 2.33"
Humidity: 60%
Dew Point: 48 °F
Wind: 12 mph
Pressure: 29.86 "Hg
Visibility: 12 mi
June Climate & Weather Averages in Nagano
High Temp: 80 °F
Low Temp: 60 °F
Mean Temp: 70 °F
Precipitation: 4.61"
Humidity: 70%
Dew Point: 59 °F
Wind: 11 mph
Pressure: 29.76 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Nagano
High Temp: 86 °F
Low Temp: 69 °F
Mean Temp: 78 °F
Precipitation: 5.91"
Humidity: 76%
Dew Point: 68 °F
Wind: 9 mph
Pressure: 29.78 "Hg
Visibility: 11 mi
August Climate & Weather Averages in Nagano
High Temp: 88 °F
Low Temp: 71 °F
Mean Temp: 80 °F
Precipitation: 5.34"
Humidity: 74%
Dew Point: 69 °F
Wind: 10 mph
Pressure: 29.78 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Nagano
High Temp: 79 °F
Low Temp: 63 °F
Mean Temp: 71 °F
Precipitation: 5.31"
Humidity: 75%
Dew Point: 61 °F
Wind: 11 mph
Pressure: 29.92 "Hg
Visibility: 12 mi
October Climate & Weather Averages in Nagano
High Temp: 68 °F
Low Temp: 50 °F
Mean Temp: 59 °F
Precipitation: 4.66"
Humidity: 76%
Dew Point: 51 °F
Wind: 10 mph
Pressure: 30.06 "Hg
Visibility: 11 mi
November Climate & Weather Averages in Nagano
High Temp: 57 °F
Low Temp: 37 °F
Mean Temp: 47 °F
Precipitation: 1.48"
Humidity: 76%
Dew Point: 39 °F
Wind: 9 mph
Pressure: 30.11 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Nagano
High Temp: 44 °F
Low Temp: 28 °F
Mean Temp: 36 °F
Precipitation: 4.48"
Humidity: 80%
Dew Point: 30 °F
Wind: 8 mph
Pressure: 30.09 "Hg
Visibility: 11 mi