Annual Weather Averages Near Grafton
Averages are for Albany County Airport, which is 18 miles from Grafton.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Grafton
High Temp: 83 °F
Low Temp: 16 °F
Mean Temp: 49 °F
Precipitation: 3.37"
Humidity: 68%
Dew Point: 39 °F
Wind: 12 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Grafton
High Temp: 32 °F
Low Temp: 16 °F
Mean Temp: 24 °F
Precipitation: 2.48"
Humidity: 70%
Dew Point: 16 °F
Wind: 13 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Grafton
High Temp: 35 °F
Low Temp: 18 °F
Mean Temp: 26 °F
Precipitation: 2.26"
Humidity: 66%
Dew Point: 17 °F
Wind: 14 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Grafton
High Temp: 44 °F
Low Temp: 26 °F
Mean Temp: 35 °F
Precipitation: 2.82"
Humidity: 62%
Dew Point: 23 °F
Wind: 15 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Grafton
High Temp: 58 °F
Low Temp: 37 °F
Mean Temp: 47 °F
Precipitation: 3.07"
Humidity: 58%
Dew Point: 32 °F
Wind: 15 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Grafton
High Temp: 70 °F
Low Temp: 48 °F
Mean Temp: 59 °F
Precipitation: 3.44"
Humidity: 63%
Dew Point: 46 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Grafton
High Temp: 78 °F
Low Temp: 57 °F
Mean Temp: 68 °F
Precipitation: 4.10"
Humidity: 67%
Dew Point: 56 °F
Wind: 11 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Grafton
High Temp: 83 °F
Low Temp: 62 °F
Mean Temp: 72 °F
Precipitation: 4.77"
Humidity: 69%
Dew Point: 62 °F
Wind: 10 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Grafton
High Temp: 81 °F
Low Temp: 61 °F
Mean Temp: 71 °F
Precipitation: 3.70"
Humidity: 71%
Dew Point: 61 °F
Wind: 9 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Grafton
High Temp: 73 °F
Low Temp: 53 °F
Mean Temp: 63 °F
Precipitation: 3.84"
Humidity: 74%
Dew Point: 54 °F
Wind: 9 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Grafton
High Temp: 61 °F
Low Temp: 41 °F
Mean Temp: 51 °F
Precipitation: 3.97"
Humidity: 73%
Dew Point: 42 °F
Wind: 11 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Grafton
High Temp: 48 °F
Low Temp: 31 °F
Mean Temp: 40 °F
Precipitation: 2.88"
Humidity: 71%
Dew Point: 31 °F
Wind: 12 mph
Pressure: 30.12 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Grafton
High Temp: 37 °F
Low Temp: 23 °F
Mean Temp: 30 °F
Precipitation: 3.12"
Humidity: 73%
Dew Point: 23 °F
Wind: 13 mph
Pressure: 30.10 "Hg
Visibility: 9 mi