Currently: 19 °F. Snow flurries. Overcast. (Weather station: Trenton, Canada). See more current weatherAnnual Weather Averages Near Belleville
Averages are for Trenton, which is 8 miles from Belleville.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Belleville
High Temp: 80 °F
Low Temp: 12 °F
Mean Temp: 46 °F
Precipitation: 3.09"
Humidity: 74%
Dew Point: 38 °F
Wind: 14 mph
Pressure: 30.01 "Hg
Visibility: 12 mi
January Climate & Weather Averages in Belleville
High Temp: 29 °F
Low Temp: 12 °F
Mean Temp: 21 °F
Precipitation: 3.02"
Humidity: 75%
Dew Point: 15 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
February Climate & Weather Averages in Belleville
High Temp: 31 °F
Low Temp: 13 °F
Mean Temp: 22 °F
Precipitation: 2.48"
Humidity: 73%
Dew Point: 15 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Belleville
High Temp: 40 °F
Low Temp: 22 °F
Mean Temp: 31 °F
Precipitation: 2.38"
Humidity: 70%
Dew Point: 22 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: 12 mi
April Climate & Weather Averages in Belleville
High Temp: 53 °F
Low Temp: 34 °F
Mean Temp: 43 °F
Precipitation: 3.27"
Humidity: 68%
Dew Point: 32 °F
Wind: 16 mph
Pressure: 29.97 "Hg
Visibility: 13 mi
May Climate & Weather Averages in Belleville
High Temp: 66 °F
Low Temp: 45 °F
Mean Temp: 55 °F
Precipitation: 3.07"
Humidity: 69%
Dew Point: 45 °F
Wind: 14 mph
Pressure: 29.97 "Hg
Visibility: 13 mi
June Climate & Weather Averages in Belleville
High Temp: 75 °F
Low Temp: 55 °F
Mean Temp: 65 °F
Precipitation: 3.37"
Humidity: 73%
Dew Point: 56 °F
Wind: 13 mph
Pressure: 29.93 "Hg
Visibility: 12 mi
July Climate & Weather Averages in Belleville
High Temp: 80 °F
Low Temp: 60 °F
Mean Temp: 70 °F
Precipitation: 2.99"
Humidity: 73%
Dew Point: 61 °F
Wind: 12 mph
Pressure: 29.94 "Hg
Visibility: 13 mi
August Climate & Weather Averages in Belleville
High Temp: 78 °F
Low Temp: 58 °F
Mean Temp: 68 °F
Precipitation: 2.79"
Humidity: 76%
Dew Point: 60 °F
Wind: 11 mph
Pressure: 29.98 "Hg
Visibility: 13 mi
September Climate & Weather Averages in Belleville
High Temp: 71 °F
Low Temp: 50 °F
Mean Temp: 61 °F
Precipitation: 3.65"
Humidity: 79%
Dew Point: 54 °F
Wind: 12 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
October Climate & Weather Averages in Belleville
High Temp: 58 °F
Low Temp: 40 °F
Mean Temp: 49 °F
Precipitation: 3.62"
Humidity: 78%
Dew Point: 42 °F
Wind: 14 mph
Pressure: 30.02 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Belleville
High Temp: 46 °F
Low Temp: 29 °F
Mean Temp: 38 °F
Precipitation: 3.32"
Humidity: 77%
Dew Point: 31 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 12 mi
December Climate & Weather Averages in Belleville
High Temp: 35 °F
Low Temp: 20 °F
Mean Temp: 28 °F
Precipitation: 3.10"
Humidity: 78%
Dew Point: 22 °F
Wind: 15 mph
Pressure: 30.04 "Hg
Visibility: 11 mi