Climate in Grand Island: average temperature by month
In Grand Island the warmest month is July, with 31.1 °C on average in the afternoon; the coolest is January, with 2.9 °C.
Measured at the weather station Central City, 35 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 2.9 °C | 2.5 °C – 3.4 °C |
| February | 4.9 °C | 3.5 °C – 7.9 °C |
| March | 12.3 °C | 8.3 °C – 15.3 °C |
| April | 18.6 °C | 15.6 °C – 21.1 °C |
| May | 24.0 °C | 21.3 °C – 26.7 °C |
| June | 29.4 °C | 27.0 °C – 30.6 °C |
| July | 31.1 °C | 30.7 °C – 31.4 °C |
| August | 29.9 °C | 29.3 °C – 30.6 °C |
| September | 26.9 °C | 24.2 °C – 29.1 °C |
| October | 19.9 °C | 15.4 °C – 24.0 °C |
| November | 11.3 °C | 7.1 °C – 15.1 °C |
| December | 4.6 °C | 2.8 °C – 6.8 °C |