United States of America
Grand Island sees feels-like daytime highs peak around 36.9°C in July and nighttime lows bottom out near -8.4°C in January. June is the wettest month (~96 mm), while January is the driest (~3 mm). For sunshine, July leads with about 73% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are September, May, and June — expect around 14.9–27.7°C with roughly 23% chance of rain on a given day in September.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -8.4° / -0.1° | 1% | 3 mm | 54% | 18.6 kph |
| February | -6.1° / 3.2° | 3% | 7 mm | 52% | 19.3 kph |
| March | -0.4° / 10.8° | 11% | 28 mm | 52% | 20.4 kph |
| April | 6.4° / 18° | 23% | 58 mm | 54% | 21 kph |
| May☀ | 13.4° / 25.3° | 37% | 95 mm | 57% | 19.2 kph |
| June☀ | 19.9° / 33.3° | 38% | 96 mm | 67% | 17.1 kph |
| July | 23.7° / 36.9° | 34% | 78 mm | 73% | 15.4 kph |
| August | 22.1° / 34.8° | 32% | 71 mm | 71% | 15.4 kph |
| September☀ | 14.9° / 27.7° | 23% | 56 mm | 71% | 17.4 kph |
| October | 6.6° / 18.3° | 15% | 41 mm | 65% | 18.2 kph |
| November | -0.8° / 8.7° | 7% | 19 mm | 58% | 18.3 kph |
| December | -7.1° / 1.3° | 2% | 8 mm | 55% | 18.3 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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