Grand Island National Recreation Area

Nights by month

Night lows from 2016 to 2025: a typical night, and the cold one that comes 1 night in 10.

The mildest nights are in August, typically 60°F. The coldest are in February, when 1 night in 10 drops to 3°F. Frost is common in January, February, March, April, November and December.

1. Jan17°F 3°FBag comfortable to 5°F · frost 96% · rain or snow 53% of days
2. Feb17°F 3°FBag comfortable to 5°F · frost 98% · rain or snow 52% of days
3. Mar24°F 14°FBag comfortable to 15°F · frost 88% · rain or snow 40% of days
4. Apr31°F 22°FBag comfortable to 25°F · frost 55% · rain or snow 43% of days
5. May41°F 33°FBag comfortable to 35°F · frost 6% · rain or snow 31% of days
6. Jun51°F 42°FBag comfortable to 45°F · frost 0% · rain or snow 36% of days
7. Jul58°F 51°FBag comfortable to 50°F · frost 0% · rain or snow 29% of days
8. Aug60°F 54°FBag comfortable to 55°F · frost 0% · rain or snow 38% of days
9. Sep (this month)55°F 48°FBag comfortable to 50°F · frost 0% · rain or snow 38% of days
10. Oct44°F 34°FBag comfortable to 35°F · frost 5% · rain or snow 45% of days
11. Nov32°F 22°FBag comfortable to 25°F · frost 52% · rain or snow 51% of days
12. Dec23°F 8°FBag comfortable to 10°F · frost 91% · rain or snow 51% of days

| = 32°F

History: ERA5 and ERA5-Land reanalysis via Open-Meteo, corrected to the site's elevation. Bag rating: the comfort rating that keeps you warm in a tent on 9 of 10 nights that month.