Annual Weather Averages Near Sylmar
Averages are for Whiteman Airport, which is 5 miles from Sylmar.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Sylmar
High Temp: 91 °F
Low Temp: 45 °F
Mean Temp: 65 °F
Precipitation: 0.65"
Humidity: 54%
Dew Point: 46 °F
Wind: 9 mph
Pressure: 29.96 "Hg
Visibility: 14 mi
January Climate & Weather Averages in Sylmar
High Temp: 67 °F
Low Temp: 46 °F
Mean Temp: 57 °F
Precipitation: 1.58"
Humidity: 51%
Dew Point: 36 °F
Wind: 9 mph
Pressure: 30.07 "Hg
Visibility: 16 mi
February Climate & Weather Averages in Sylmar
High Temp: 67 °F
Low Temp: 46 °F
Mean Temp: 56 °F
Precipitation: 2.19"
Humidity: 55%
Dew Point: 38 °F
Wind: 9 mph
Pressure: 30.03 "Hg
Visibility: 15 mi
March Climate & Weather Averages in Sylmar
High Temp: 70 °F
Low Temp: 48 °F
Mean Temp: 59 °F
Precipitation: 1.14"
Humidity: 57%
Dew Point: 42 °F
Wind: 10 mph
Pressure: 30.00 "Hg
Visibility: 14 mi
April Climate & Weather Averages in Sylmar
High Temp: 73 °F
Low Temp: 50 °F
Mean Temp: 62 °F
Precipitation: 0.46"
Humidity: 54%
Dew Point: 43 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 14 mi
May Climate & Weather Averages in Sylmar
High Temp: 76 °F
Low Temp: 54 °F
Mean Temp: 65 °F
Precipitation: 0.16"
Humidity: 61%
Dew Point: 50 °F
Wind: 11 mph
Pressure: 29.91 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Sylmar
High Temp: 82 °F
Low Temp: 58 °F
Mean Temp: 70 °F
Precipitation: 0.03"
Humidity: 61%
Dew Point: 55 °F
Wind: 10 mph
Pressure: 29.87 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Sylmar
High Temp: 88 °F
Low Temp: 62 °F
Mean Temp: 75 °F
Precipitation: 0.02"
Humidity: 57%
Dew Point: 58 °F
Wind: 10 mph
Pressure: 29.90 "Hg
Visibility: 12 mi
August Climate & Weather Averages in Sylmar
High Temp: 91 °F
Low Temp: 63 °F
Mean Temp: 77 °F
Precipitation: 0.01"
Humidity: 53%
Dew Point: 57 °F
Wind: 9 mph
Pressure: 29.88 "Hg
Visibility: 13 mi
September Climate & Weather Averages in Sylmar
High Temp: 88 °F
Low Temp: 62 °F
Mean Temp: 75 °F
Precipitation: 0.06"
Humidity: 53%
Dew Point: 54 °F
Wind: 8 mph
Pressure: 29.87 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Sylmar
High Temp: 80 °F
Low Temp: 56 °F
Mean Temp: 68 °F
Precipitation: 0.38"
Humidity: 53%
Dew Point: 47 °F
Wind: 8 mph
Pressure: 29.93 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Sylmar
High Temp: 73 °F
Low Temp: 50 °F
Mean Temp: 62 °F
Precipitation: 0.37"
Humidity: 49%
Dew Point: 39 °F
Wind: 7 mph
Pressure: 30.02 "Hg
Visibility: 15 mi
December Climate & Weather Averages in Sylmar
High Temp: 66 °F
Low Temp: 45 °F
Mean Temp: 55 °F
Precipitation: 1.40"
Humidity: 50%
Dew Point: 34 °F
Wind: 8 mph
Pressure: 30.07 "Hg
Visibility: 16 mi