Grand Island weather by month & the best time to visit
🇺🇸 United States · small town · hot-summer continental climate
The best time to visit Grand Island is September — its sunniest month (Sunshine Score 83/100), with July and August close behind. Grand Island averages about 2,761 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 66 mm of rain in September.
Jump to: month-by-month table · nearby alternatives · embed this data
- Sun hours / year
- 2,761
- Sunniest month
- September
- Peak score
- 83/100
- Rain / year
- 715 mm
- Snow / year
- ≈1.1 m
- Midday UV at peak
- 9 (very high)
- Population
- 51k
- Elevation
- 560 m
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When is the best time to visit Grand Island?
For sunshine, the best time to visit Grand Island is September, then July and August. The dullest month is January (0/100, 15 mm of rain). The full month-by-month picture is in the table below.
How sunny is Grand Island?
Grand Island gets a lot of sun: around 2,761 hours a year. 83 Sunshine Score points separate September (83) from January (0), so the month you pick matters. It ranks #124 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around June, carries about 43% of the annual 715 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 1° / 34°F | -9° / 16°F | 15 mm | 2 |
| February | 0 | 3° / 37°F | -8° / 18°F | 18 mm | 3 |
| March | 22 | 11° / 52°F | -2° / 28°F | 35 mm | 4 |
| April | 68 | 18° / 64°F | 4° / 39°F | 72 mm | 6 |
| May | 73 | 23° / 73°F | 10° / 50°F | 121 mm | 7 |
| June | 75 | 29° / 84°F | 17° / 63°F | 111 mm | 9 |
| July | 81 | 32° / 90°F | 19° / 66°F | 78 mm | 9 |
| August | 79 | 30° / 86°F | 18° / 64°F | 91 mm | 8 |
| September | 83 | 26° / 79°F | 13° / 55°F | 66 mm | 6 |
| October | 63 | 17° / 63°F | 4° / 39°F | 60 mm | 4 |
| November | 15 | 10° / 50°F | -2° / 28°F | 24 mm | 2 |
| December | 0 | 2° / 36°F | -7° / 19°F | 24 mm | 1 |
See Grand Island on the interactive sunshine globe →
Nearby places for sunshine
- Lincoln United States · 131 km · best in Jul · 2,608 h sun/yr
- Omaha United States · 206 km · best in Jul · 2,482 h sun/yr
- Sioux Falls United States · 318 km · best in Jul · 2,583 h sun/yr
- Kansas City United States · 357 km · best in Sep · 2,456 h sun/yr
- Wichita United States · 377 km · best in Sep · 2,762 h sun/yr
- Des Moines United States · 394 km · best in Sep · 2,394 h sun/yr
Nearest destinations
- Kearney United States · 64 km · 2,850 h sun/yr · best in Sep
- North Platte United States · 200 km · 2,892 h sun/yr · best in Sep
- McCook United States · 210 km · 2,952 h sun/yr · best in Sep
- Sioux City United States · 226 km · 2,558 h sun/yr · best in Jul
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