Annual Weather Averages Near San Clemente
Averages are for Oceanside/Red-B, which is 14 miles from San Clemente.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in San Clemente
High Temp: 78 °F
Low Temp: 40 °F
Mean Temp: 61 °F
Precipitation: 1.01"
Humidity: 72%
Dew Point: 50 °F
Wind: 7 mph
Pressure: 29.98 "Hg
Visibility: 7 mi
January Climate & Weather Averages in San Clemente
High Temp: 66 °F
Low Temp: 41 °F
Mean Temp: 54 °F
Precipitation: 2.49"
Humidity: 70%
Dew Point: 41 °F
Wind: 6 mph
Pressure: 30.08 "Hg
Visibility: 7 mi
February Climate & Weather Averages in San Clemente
High Temp: 65 °F
Low Temp: 42 °F
Mean Temp: 54 °F
Precipitation: 2.35"
Humidity: 72%
Dew Point: 43 °F
Wind: 7 mph
Pressure: 30.05 "Hg
Visibility: 7 mi
March Climate & Weather Averages in San Clemente
High Temp: 66 °F
Low Temp: 46 °F
Mean Temp: 56 °F
Precipitation: 1.53"
Humidity: 75%
Dew Point: 47 °F
Wind: 7 mph
Pressure: 30.03 "Hg
Visibility: 7 mi
April Climate & Weather Averages in San Clemente
High Temp: 68 °F
Low Temp: 49 °F
Mean Temp: 58 °F
Precipitation: 0.84"
Humidity: 72%
Dew Point: 49 °F
Wind: 8 mph
Pressure: 29.98 "Hg
Visibility: 7 mi
May Climate & Weather Averages in San Clemente
High Temp: 70 °F
Low Temp: 54 °F
Mean Temp: 62 °F
Precipitation: 0.29"
Humidity: 74%
Dew Point: 53 °F
Wind: 9 mph
Pressure: 29.94 "Hg
Visibility: 7 mi
June Climate & Weather Averages in San Clemente
High Temp: 73 °F
Low Temp: 58 °F
Mean Temp: 65 °F
Precipitation: 0.06"
Humidity: 74%
Dew Point: 57 °F
Wind: 8 mph
Pressure: 29.90 "Hg
Visibility: 7 mi
July Climate & Weather Averages in San Clemente
High Temp: 76 °F
Low Temp: 61 °F
Mean Temp: 69 °F
Precipitation: 0.08"
Humidity: 74%
Dew Point: 60 °F
Wind: 8 mph
Pressure: 29.92 "Hg
Visibility: 7 mi
August Climate & Weather Averages in San Clemente
High Temp: 78 °F
Low Temp: 61 °F
Mean Temp: 70 °F
Precipitation: 0.03"
Humidity: 73%
Dew Point: 60 °F
Wind: 8 mph
Pressure: 29.90 "Hg
Visibility: 7 mi
September Climate & Weather Averages in San Clemente
High Temp: 78 °F
Low Temp: 59 °F
Mean Temp: 68 °F
Precipitation: 0.13"
Humidity: 72%
Dew Point: 58 °F
Wind: 7 mph
Pressure: 29.88 "Hg
Visibility: 7 mi
October Climate & Weather Averages in San Clemente
High Temp: 75 °F
Low Temp: 52 °F
Mean Temp: 64 °F
Precipitation: 1.47"
Humidity: 70%
Dew Point: 52 °F
Wind: 7 mph
Pressure: 29.94 "Hg
Visibility: 7 mi
November Climate & Weather Averages in San Clemente
High Temp: 71 °F
Low Temp: 44 °F
Mean Temp: 58 °F
Precipitation: 1.05"
Humidity: 67%
Dew Point: 44 °F
Wind: 6 mph
Pressure: 30.03 "Hg
Visibility: 7 mi
December Climate & Weather Averages in San Clemente
High Temp: 66 °F
Low Temp: 40 °F
Mean Temp: 53 °F
Precipitation: 1.76"
Humidity: 68%
Dew Point: 40 °F
Wind: 6 mph
Pressure: 30.08 "Hg
Visibility: 8 mi