Annual Weather Averages Near Rennes
Averages are for Rennes Airport, which is 4 miles from Rennes.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Rennes
High Temp: 76 °F
Low Temp: 37 °F
Mean Temp: 54 °F
Precipitation: 2.26"
Humidity: 80%
Dew Point: 47 °F
Wind: 15 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Rennes
High Temp: 49 °F
Low Temp: 38 °F
Mean Temp: 43 °F
Precipitation: 2.56"
Humidity: 88%
Dew Point: 40 °F
Wind: 16 mph
Pressure: 30.09 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Rennes
High Temp: 51 °F
Low Temp: 37 °F
Mean Temp: 44 °F
Precipitation: 2.12"
Humidity: 84%
Dew Point: 39 °F
Wind: 16 mph
Pressure: 30.09 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Rennes
High Temp: 56 °F
Low Temp: 40 °F
Mean Temp: 48 °F
Precipitation: 1.87"
Humidity: 79%
Dew Point: 41 °F
Wind: 16 mph
Pressure: 30.07 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Rennes
High Temp: 61 °F
Low Temp: 42 °F
Mean Temp: 52 °F
Precipitation: 1.89"
Humidity: 76%
Dew Point: 43 °F
Wind: 15 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Rennes
High Temp: 67 °F
Low Temp: 48 °F
Mean Temp: 57 °F
Precipitation: 2.35"
Humidity: 76%
Dew Point: 49 °F
Wind: 15 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Rennes
High Temp: 73 °F
Low Temp: 53 °F
Mean Temp: 63 °F
Precipitation: 2.12"
Humidity: 74%
Dew Point: 53 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Rennes
High Temp: 76 °F
Low Temp: 57 °F
Mean Temp: 66 °F
Precipitation: 1.81"
Humidity: 74%
Dew Point: 56 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 12 mi
August Climate & Weather Averages in Rennes
High Temp: 76 °F
Low Temp: 56 °F
Mean Temp: 66 °F
Precipitation: 1.71"
Humidity: 75%
Dew Point: 56 °F
Wind: 13 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
September Climate & Weather Averages in Rennes
High Temp: 71 °F
Low Temp: 52 °F
Mean Temp: 62 °F
Precipitation: 2.12"
Humidity: 78%
Dew Point: 53 °F
Wind: 13 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Rennes
High Temp: 63 °F
Low Temp: 48 °F
Mean Temp: 56 °F
Precipitation: 2.86"
Humidity: 84%
Dew Point: 50 °F
Wind: 14 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Rennes
High Temp: 55 °F
Low Temp: 42 °F
Mean Temp: 48 °F
Precipitation: 2.82"
Humidity: 88%
Dew Point: 45 °F
Wind: 14 mph
Pressure: 30.00 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Rennes
High Temp: 50 °F
Low Temp: 38 °F
Mean Temp: 44 °F
Precipitation: 2.93"
Humidity: 88%
Dew Point: 41 °F
Wind: 15 mph
Pressure: 30.06 "Hg
Visibility: 8 mi