Currently: 70 °F. Clear. (Weather station: Niagara Falls International Airport, USA). See more current weatherAnnual Weather Averages Near Grand Island
Averages are for Niagara Falls International Airport, which is 6 miles from Grand Island.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Grand Island
High Temp: 82 °F
Low Temp: 18 °F
Mean Temp: 49 °F
Precipitation: 2.80"
Humidity: 72%
Dew Point: 40 °F
Wind: 17 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Grand Island
High Temp: 32 °F
Low Temp: 19 °F
Mean Temp: 25 °F
Precipitation: 2.41"
Humidity: 78%
Dew Point: 19 °F
Wind: 21 mph
Pressure: 30.07 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Grand Island
High Temp: 33 °F
Low Temp: 18 °F
Mean Temp: 26 °F
Precipitation: 1.97"
Humidity: 76%
Dew Point: 19 °F
Wind: 20 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Grand Island
High Temp: 42 °F
Low Temp: 25 °F
Mean Temp: 34 °F
Precipitation: 2.31"
Humidity: 71%
Dew Point: 25 °F
Wind: 19 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Grand Island
High Temp: 55 °F
Low Temp: 35 °F
Mean Temp: 45 °F
Precipitation: 3.03"
Humidity: 66%
Dew Point: 34 °F
Wind: 18 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Grand Island
High Temp: 68 °F
Low Temp: 46 °F
Mean Temp: 57 °F
Precipitation: 2.96"
Humidity: 66%
Dew Point: 46 °F
Wind: 15 mph
Pressure: 30.00 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Grand Island
High Temp: 77 °F
Low Temp: 57 °F
Mean Temp: 67 °F
Precipitation: 2.94"
Humidity: 69%
Dew Point: 56 °F
Wind: 15 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Grand Island
High Temp: 82 °F
Low Temp: 62 °F
Mean Temp: 72 °F
Precipitation: 3.55"
Humidity: 70%
Dew Point: 61 °F
Wind: 14 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Grand Island
High Temp: 80 °F
Low Temp: 61 °F
Mean Temp: 70 °F
Precipitation: 2.72"
Humidity: 72%
Dew Point: 61 °F
Wind: 13 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Grand Island
High Temp: 73 °F
Low Temp: 53 °F
Mean Temp: 63 °F
Precipitation: 3.25"
Humidity: 74%
Dew Point: 54 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Grand Island
High Temp: 60 °F
Low Temp: 42 °F
Mean Temp: 51 °F
Precipitation: 3.27"
Humidity: 74%
Dew Point: 43 °F
Wind: 16 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Grand Island
High Temp: 48 °F
Low Temp: 33 °F
Mean Temp: 40 °F
Precipitation: 2.63"
Humidity: 74%
Dew Point: 33 °F
Wind: 18 mph
Pressure: 30.09 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Grand Island
High Temp: 37 °F
Low Temp: 25 °F
Mean Temp: 31 °F
Precipitation: 2.57"
Humidity: 77%
Dew Point: 25 °F
Wind: 19 mph
Pressure: 30.08 "Hg
Visibility: 9 mi