Annual Weather Averages in Truro
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Truro
High Temp: 76 °F
Low Temp: 12 °F
Mean Temp: 43 °F
Precipitation: 3.23"
Humidity: 79%
Dew Point: 36 °F
Wind: 19 mph
Pressure: 29.96 "Hg
Visibility: 11 mi
January Climate & Weather Averages in Truro
High Temp: 29 °F
Low Temp: 12 °F
Mean Temp: 21 °F
Precipitation: 3.58"
Humidity: 82%
Dew Point: 16 °F
Wind: 20 mph
Pressure: 29.93 "Hg
Visibility: 10 mi
February Climate & Weather Averages in Truro
High Temp: 30 °F
Low Temp: 13 °F
Mean Temp: 22 °F
Precipitation: 3.18"
Humidity: 78%
Dew Point: 15 °F
Wind: 21 mph
Pressure: 29.92 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Truro
High Temp: 37 °F
Low Temp: 21 °F
Mean Temp: 29 °F
Precipitation: 3.43"
Humidity: 76%
Dew Point: 21 °F
Wind: 21 mph
Pressure: 29.94 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Truro
High Temp: 48 °F
Low Temp: 30 °F
Mean Temp: 39 °F
Precipitation: 2.99"
Humidity: 75%
Dew Point: 30 °F
Wind: 20 mph
Pressure: 29.95 "Hg
Visibility: 11 mi
May Climate & Weather Averages in Truro
High Temp: 60 °F
Low Temp: 39 °F
Mean Temp: 50 °F
Precipitation: 2.56"
Humidity: 76%
Dew Point: 40 °F
Wind: 18 mph
Pressure: 29.99 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Truro
High Temp: 69 °F
Low Temp: 48 °F
Mean Temp: 58 °F
Precipitation: 2.91"
Humidity: 78%
Dew Point: 50 °F
Wind: 17 mph
Pressure: 29.94 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Truro
High Temp: 76 °F
Low Temp: 56 °F
Mean Temp: 66 °F
Precipitation: 2.70"
Humidity: 79%
Dew Point: 58 °F
Wind: 16 mph
Pressure: 29.94 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Truro
High Temp: 76 °F
Low Temp: 56 °F
Mean Temp: 66 °F
Precipitation: 2.34"
Humidity: 79%
Dew Point: 58 °F
Wind: 15 mph
Pressure: 29.97 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Truro
High Temp: 68 °F
Low Temp: 49 °F
Mean Temp: 58 °F
Precipitation: 3.53"
Humidity: 81%
Dew Point: 52 °F
Wind: 17 mph
Pressure: 30.02 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Truro
High Temp: 56 °F
Low Temp: 39 °F
Mean Temp: 47 °F
Precipitation: 3.65"
Humidity: 81%
Dew Point: 41 °F
Wind: 18 mph
Pressure: 29.99 "Hg
Visibility: 12 mi
November Climate & Weather Averages in Truro
High Temp: 44 °F
Low Temp: 29 °F
Mean Temp: 37 °F
Precipitation: 3.90"
Humidity: 84%
Dew Point: 32 °F
Wind: 19 mph
Pressure: 29.99 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Truro
High Temp: 34 °F
Low Temp: 18 °F
Mean Temp: 26 °F
Precipitation: 3.97"
Humidity: 84%
Dew Point: 22 °F
Wind: 20 mph
Pressure: 29.94 "Hg
Visibility: 10 mi