Annual Weather Averages in St-Nazaire
St-Nazaire is 36 miles from Vannes, so the actual climate in Vannes can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Vannes
High Temp: 75 °F
Low Temp: 38 °F
Mean Temp: 55 °F
Precipitation: 1.98"
Humidity: 80%
Dew Point: 48 °F
Wind: 17 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Vannes
High Temp: 50 °F
Low Temp: 38 °F
Mean Temp: 44 °F
Precipitation: 2.58"
Humidity: 88%
Dew Point: 41 °F
Wind: 19 mph
Pressure: 30.11 "Hg
Visibility: 7 mi
February Climate & Weather Averages in Vannes
High Temp: 51 °F
Low Temp: 38 °F
Mean Temp: 45 °F
Precipitation: 2.27"
Humidity: 83%
Dew Point: 40 °F
Wind: 19 mph
Pressure: 30.11 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Vannes
High Temp: 56 °F
Low Temp: 41 °F
Mean Temp: 48 °F
Precipitation: 1.84"
Humidity: 80%
Dew Point: 42 °F
Wind: 18 mph
Pressure: 30.08 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Vannes
High Temp: 60 °F
Low Temp: 44 °F
Mean Temp: 52 °F
Precipitation: 1.53"
Humidity: 76%
Dew Point: 44 °F
Wind: 18 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Vannes
High Temp: 66 °F
Low Temp: 49 °F
Mean Temp: 58 °F
Precipitation: 1.73"
Humidity: 76%
Dew Point: 50 °F
Wind: 17 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Vannes
High Temp: 72 °F
Low Temp: 54 °F
Mean Temp: 63 °F
Precipitation: 1.17"
Humidity: 74%
Dew Point: 54 °F
Wind: 16 mph
Pressure: 30.05 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Vannes
High Temp: 75 °F
Low Temp: 58 °F
Mean Temp: 66 °F
Precipitation: 1.19"
Humidity: 73%
Dew Point: 57 °F
Wind: 16 mph
Pressure: 30.05 "Hg
Visibility: 12 mi
August Climate & Weather Averages in Vannes
High Temp: 75 °F
Low Temp: 57 °F
Mean Temp: 66 °F
Precipitation: 1.48"
Humidity: 75%
Dew Point: 57 °F
Wind: 15 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Vannes
High Temp: 71 °F
Low Temp: 53 °F
Mean Temp: 62 °F
Precipitation: 1.75"
Humidity: 77%
Dew Point: 54 °F
Wind: 15 mph
Pressure: 30.06 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Vannes
High Temp: 63 °F
Low Temp: 49 °F
Mean Temp: 56 °F
Precipitation: 2.57"
Humidity: 83%
Dew Point: 51 °F
Wind: 17 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Vannes
High Temp: 56 °F
Low Temp: 43 °F
Mean Temp: 49 °F
Precipitation: 2.67"
Humidity: 87%
Dew Point: 46 °F
Wind: 17 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Vannes
High Temp: 51 °F
Low Temp: 39 °F
Mean Temp: 45 °F
Precipitation: 3.00"
Humidity: 88%
Dew Point: 42 °F
Wind: 19 mph
Pressure: 30.08 "Hg
Visibility: 7 mi