Annual Weather Averages Near Downey
Averages are for Long Beach Airport, which is 9 miles from Downey.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Downey
High Temp: 84 °F
Low Temp: 46 °F
Mean Temp: 65 °F
Precipitation: 0.99"
Humidity: 65%
Dew Point: 52 °F
Wind: 7 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Downey
High Temp: 68 °F
Low Temp: 47 °F
Mean Temp: 57 °F
Precipitation: 2.87"
Humidity: 64%
Dew Point: 44 °F
Wind: 6 mph
Pressure: 30.08 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Downey
High Temp: 67 °F
Low Temp: 48 °F
Mean Temp: 58 °F
Precipitation: 2.79"
Humidity: 67%
Dew Point: 45 °F
Wind: 7 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Downey
High Temp: 69 °F
Low Temp: 51 °F
Mean Temp: 60 °F
Precipitation: 1.54"
Humidity: 67%
Dew Point: 48 °F
Wind: 8 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Downey
High Temp: 72 °F
Low Temp: 54 °F
Mean Temp: 63 °F
Precipitation: 0.57"
Humidity: 64%
Dew Point: 49 °F
Wind: 9 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Downey
High Temp: 73 °F
Low Temp: 58 °F
Mean Temp: 66 °F
Precipitation: 0.27"
Humidity: 67%
Dew Point: 54 °F
Wind: 9 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Downey
High Temp: 77 °F
Low Temp: 62 °F
Mean Temp: 69 °F
Precipitation: 0.08"
Humidity: 68%
Dew Point: 57 °F
Wind: 9 mph
Pressure: 29.90 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Downey
High Temp: 82 °F
Low Temp: 65 °F
Mean Temp: 73 °F
Precipitation: 0.08"
Humidity: 67%
Dew Point: 61 °F
Wind: 8 mph
Pressure: 29.92 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Downey
High Temp: 84 °F
Low Temp: 65 °F
Mean Temp: 75 °F
Precipitation: 0.01"
Humidity: 66%
Dew Point: 61 °F
Wind: 8 mph
Pressure: 29.90 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Downey
High Temp: 83 °F
Low Temp: 64 °F
Mean Temp: 73 °F
Precipitation: 0.12"
Humidity: 65%
Dew Point: 60 °F
Wind: 7 mph
Pressure: 29.88 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Downey
High Temp: 78 °F
Low Temp: 59 °F
Mean Temp: 68 °F
Precipitation: 0.56"
Humidity: 65%
Dew Point: 55 °F
Wind: 6 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Downey
High Temp: 72 °F
Low Temp: 52 °F
Mean Temp: 62 °F
Precipitation: 0.75"
Humidity: 62%
Dew Point: 47 °F
Wind: 5 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Downey
High Temp: 67 °F
Low Temp: 46 °F
Mean Temp: 57 °F
Precipitation: 2.27"
Humidity: 63%
Dew Point: 43 °F
Wind: 5 mph
Pressure: 30.08 "Hg
Visibility: 8 mi