Grand Island Weather & Climate

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.

Best time to visit Grand Island

Based on mild feels-like temperatures and low rain chances, the most comfortable months are September, May, and June — expect around 14.927.7°C with roughly 23% chance of rain on a given day in September.

Grand Island climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January-8.4° / -0.1°1%3 mm54%18.6 kph
February-6.1° / 3.2°3%7 mm52%19.3 kph
March-0.4° / 10.8°11%28 mm52%20.4 kph
April6.4° / 18°23%58 mm54%21 kph
May13.4° / 25.3°37%95 mm57%19.2 kph
June19.9° / 33.3°38%96 mm67%17.1 kph
July23.7° / 36.9°34%78 mm73%15.4 kph
August22.1° / 34.8°32%71 mm71%15.4 kph
September14.9° / 27.7°23%56 mm71%17.4 kph
October6.6° / 18.3°15%41 mm65%18.2 kph
November-0.8° / 8.7°7%19 mm58%18.3 kph
December-7.1° / 1.3°2%8 mm55%18.3 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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