Annual Weather Averages in Nampa
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Nampa
High Temp: 92 °F
Low Temp: 25 °F
Mean Temp: 52 °F
Precipitation: 0.56"
Humidity: 57%
Dew Point: 34 °F
Wind: 12 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Nampa
High Temp: 39 °F
Low Temp: 25 °F
Mean Temp: 32 °F
Precipitation: 1.06"
Humidity: 76%
Dew Point: 25 °F
Wind: 11 mph
Pressure: 30.21 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Nampa
High Temp: 46 °F
Low Temp: 27 °F
Mean Temp: 37 °F
Precipitation: 0.59"
Humidity: 68%
Dew Point: 26 °F
Wind: 13 mph
Pressure: 30.11 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Nampa
High Temp: 57 °F
Low Temp: 33 °F
Mean Temp: 45 °F
Precipitation: 0.62"
Humidity: 57%
Dew Point: 29 °F
Wind: 15 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Nampa
High Temp: 63 °F
Low Temp: 37 °F
Mean Temp: 50 °F
Precipitation: 0.56"
Humidity: 52%
Dew Point: 32 °F
Wind: 15 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Nampa
High Temp: 73 °F
Low Temp: 46 °F
Mean Temp: 59 °F
Precipitation: 0.74"
Humidity: 50%
Dew Point: 39 °F
Wind: 14 mph
Pressure: 29.93 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Nampa
High Temp: 82 °F
Low Temp: 52 °F
Mean Temp: 67 °F
Precipitation: 0.52"
Humidity: 46%
Dew Point: 44 °F
Wind: 13 mph
Pressure: 29.92 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Nampa
High Temp: 92 °F
Low Temp: 58 °F
Mean Temp: 75 °F
Precipitation: 0.13"
Humidity: 40%
Dew Point: 48 °F
Wind: 11 mph
Pressure: 29.91 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Nampa
High Temp: 90 °F
Low Temp: 55 °F
Mean Temp: 73 °F
Precipitation: 0.11"
Humidity: 41%
Dew Point: 46 °F
Wind: 10 mph
Pressure: 29.92 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Nampa
High Temp: 80 °F
Low Temp: 47 °F
Mean Temp: 63 °F
Precipitation: 0.36"
Humidity: 47%
Dew Point: 40 °F
Wind: 10 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Nampa
High Temp: 65 °F
Low Temp: 37 °F
Mean Temp: 51 °F
Precipitation: 0.52"
Humidity: 55%
Dew Point: 34 °F
Wind: 10 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Nampa
High Temp: 49 °F
Low Temp: 29 °F
Mean Temp: 39 °F
Precipitation: 0.52"
Humidity: 68%
Dew Point: 28 °F
Wind: 11 mph
Pressure: 30.16 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Nampa
High Temp: 39 °F
Low Temp: 25 °F
Mean Temp: 32 °F
Precipitation: 0.96"
Humidity: 76%
Dew Point: 24 °F
Wind: 12 mph
Pressure: 30.19 "Hg
Visibility: 8 mi