Annual Weather Averages Near West Covina
Averages are for Fullerton Municipal Airport, which is 14 miles from West Covina.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in West Covina
High Temp: 87 °F
Low Temp: 46 °F
Mean Temp: 66 °F
Precipitation: 0.72"
Humidity: 60%
Dew Point: 51 °F
Wind: 5 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
January Climate & Weather Averages in West Covina
High Temp: 69 °F
Low Temp: 47 °F
Mean Temp: 58 °F
Precipitation: 1.83"
Humidity: 59%
Dew Point: 42 °F
Wind: 4 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
February Climate & Weather Averages in West Covina
High Temp: 69 °F
Low Temp: 48 °F
Mean Temp: 59 °F
Precipitation: 2.19"
Humidity: 61%
Dew Point: 44 °F
Wind: 5 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
March Climate & Weather Averages in West Covina
High Temp: 71 °F
Low Temp: 52 °F
Mean Temp: 61 °F
Precipitation: 0.96"
Humidity: 61%
Dew Point: 47 °F
Wind: 6 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
April Climate & Weather Averages in West Covina
High Temp: 74 °F
Low Temp: 54 °F
Mean Temp: 64 °F
Precipitation: 0.53"
Humidity: 59%
Dew Point: 48 °F
Wind: 6 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
May Climate & Weather Averages in West Covina
High Temp: 75 °F
Low Temp: 59 °F
Mean Temp: 67 °F
Precipitation: 0.21"
Humidity: 62%
Dew Point: 53 °F
Wind: 7 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
June Climate & Weather Averages in West Covina
High Temp: 79 °F
Low Temp: 62 °F
Mean Temp: 71 °F
Precipitation: 0.03"
Humidity: 63%
Dew Point: 57 °F
Wind: 7 mph
Pressure: 29.90 "Hg
Visibility: 9 mi
July Climate & Weather Averages in West Covina
High Temp: 84 °F
Low Temp: 66 °F
Mean Temp: 75 °F
Precipitation: 0.04"
Humidity: 61%
Dew Point: 60 °F
Wind: 6 mph
Pressure: 29.91 "Hg
Visibility: 9 mi
August Climate & Weather Averages in West Covina
High Temp: 87 °F
Low Temp: 66 °F
Mean Temp: 76 °F
Precipitation: 0.01"
Humidity: 60%
Dew Point: 61 °F
Wind: 6 mph
Pressure: 29.89 "Hg
Visibility: 9 mi
September Climate & Weather Averages in West Covina
High Temp: 85 °F
Low Temp: 64 °F
Mean Temp: 75 °F
Precipitation: 0.12"
Humidity: 59%
Dew Point: 59 °F
Wind: 5 mph
Pressure: 29.88 "Hg
Visibility: 9 mi
October Climate & Weather Averages in West Covina
High Temp: 80 °F
Low Temp: 59 °F
Mean Temp: 69 °F
Precipitation: 0.48"
Humidity: 59%
Dew Point: 53 °F
Wind: 4 mph
Pressure: 29.94 "Hg
Visibility: 8 mi
November Climate & Weather Averages in West Covina
High Temp: 74 °F
Low Temp: 51 °F
Mean Temp: 63 °F
Precipitation: 0.61"
Humidity: 56%
Dew Point: 45 °F
Wind: 4 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
December Climate & Weather Averages in West Covina
High Temp: 68 °F
Low Temp: 46 °F
Mean Temp: 57 °F
Precipitation: 1.67"
Humidity: 58%
Dew Point: 41 °F
Wind: 4 mph
Pressure: 30.07 "Hg
Visibility: 9 mi