The summary climate graph for Grand Island, NE shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.
The warmest month in Central Nebraska Regional Airport, Grand Island, Nebraska is July with an average high temperature of 90.2°F. The hottest day on record was August 17 1983 when the temperature hit 109.9°F. During January the overnight temperature drops to an average of 13.0°F with the lowest temperature of -26.0°F being recorded on December 23 1989.
The warmest days on record are:
| 17 Aug 1983 | 109.9°F |
| 19 Jul 2006 | 109°F |
| 12 Jul 1995 | 108°F |
| 22 Jun 1988 | 107.1°F |
| 28 Jun 2012 | 107.1°F |
The warmest months on average were:
| July 1974 | 97.8°F |
| July 1980 | 97.8°F |
| August 1983 | 97.7°F |
| July 2012 | 97.4°F |
| July 1983 | 94.9°F |
The coldest days on record are:
| 23 Dec 1989 | -26°F |
| 12 Jan 1974 | -24°F |
| 22 Dec 1983 | -23.1°F |
| 9 Feb 1994 | -20.9°F |
| 11 Jan 1982 | -20°F |
The coldest months on average were:
| January 1979 | -2.6°F |
| December 1983 | -1.2°F |
| February 1979 | 1.4°F |
| January 1978 | 1.9°F |
| January 1982 | 2.4°F |
The wettest month in Grand Island, NE is May with an average of 4.5 inches of rain falling on 12 to 13 days. The driest month in Grand Island, NE is January with an average of 0.8 inches of rain falling on 2 to 3 days.
The wettest days on record are:
| 5 June 2008 | 4.1 inches |
| 15 June 1990 | 4 inches |
| 22 June 1978 | 3 inches |
| 30 June 1988 | 2.6 inches |
| 25 June 1989 | 2.6 inches |
The wettest months on record are:
| March 1973 | 24.7 inches |
| July 1993 | 19.8 inches |
| August 1993 | 19.3 inches |
| June 1993 | 17.2 inches |
| February 1973 | 16.6 inches |
The driest months on record are:
| January 1986 | 0 inches |
| November 2007 | 0 inches |
| January 1981 | 0 inches |
| October 1988 | 0 inches |
| September 1998 | 0 inches |