Annual Weather Averages in Grand Island
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Grand Island
High Temp: 88 °F
Low Temp: 16 °F
Mean Temp: 51 °F
Precipitation: 2.20"
Humidity: 66%
Dew Point: 40 °F
Wind: 17 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Grand Island
High Temp: 36 °F
Low Temp: 16 °F
Mean Temp: 26 °F
Precipitation: 0.62"
Humidity: 72%
Dew Point: 18 °F
Wind: 17 mph
Pressure: 30.15 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Grand Island
High Temp: 39 °F
Low Temp: 18 °F
Mean Temp: 29 °F
Precipitation: 0.69"
Humidity: 70%
Dew Point: 20 °F
Wind: 18 mph
Pressure: 30.13 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Grand Island
High Temp: 52 °F
Low Temp: 28 °F
Mean Temp: 40 °F
Precipitation: 1.51"
Humidity: 64%
Dew Point: 28 °F
Wind: 19 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Grand Island
High Temp: 63 °F
Low Temp: 38 °F
Mean Temp: 50 °F
Precipitation: 2.47"
Humidity: 62%
Dew Point: 36 °F
Wind: 21 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Grand Island
High Temp: 73 °F
Low Temp: 50 °F
Mean Temp: 61 °F
Precipitation: 4.61"
Humidity: 65%
Dew Point: 48 °F
Wind: 19 mph
Pressure: 29.95 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Grand Island
High Temp: 84 °F
Low Temp: 60 °F
Mean Temp: 72 °F
Precipitation: 3.87"
Humidity: 64%
Dew Point: 59 °F
Wind: 17 mph
Pressure: 29.90 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Grand Island
High Temp: 88 °F
Low Temp: 65 °F
Mean Temp: 76 °F
Precipitation: 3.41"
Humidity: 68%
Dew Point: 65 °F
Wind: 14 mph
Pressure: 29.95 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Grand Island
High Temp: 85 °F
Low Temp: 63 °F
Mean Temp: 74 °F
Precipitation: 3.33"
Humidity: 70%
Dew Point: 63 °F
Wind: 13 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Grand Island
High Temp: 79 °F
Low Temp: 53 °F
Mean Temp: 66 °F
Precipitation: 2.01"
Humidity: 64%
Dew Point: 53 °F
Wind: 16 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Grand Island
High Temp: 66 °F
Low Temp: 40 °F
Mean Temp: 53 °F
Precipitation: 2.01"
Humidity: 62%
Dew Point: 39 °F
Wind: 17 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Grand Island
High Temp: 51 °F
Low Temp: 28 °F
Mean Temp: 40 °F
Precipitation: 1.06"
Humidity: 65%
Dew Point: 27 °F
Wind: 17 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Grand Island
High Temp: 39 °F
Low Temp: 18 °F
Mean Temp: 29 °F
Precipitation: 0.81"
Humidity: 71%
Dew Point: 20 °F
Wind: 17 mph
Pressure: 30.12 "Hg
Visibility: 9 mi