Rapid City vs Grand Island, Nebraska Climate
62%matchOn climate, Grand Island is a 62% match for Rapid City. Compared with Rapid City, Grand Island has the same winter lows and more humid air.
Rapid City gets 17 in (441 mm) of rain a year and Grand Island 25 in (632 mm). July is the warmest month in both, with highs of 87°F (30°C) in Rapid City and 89°F (32°C) in Grand Island.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Rapid CityGrand Islandsolid = high, dashed = low
Rain (in per month)
Rapid CityGrand Island
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Rapid City | Grand Island | Rapid City | Grand Island | Rapid City | Grand Island | |
| Jan | 39°F(4°C) | 36°F(2°C) | 14°F(-10°C) | 15°F(-10°C) | 0.3 in(7 mm) | 0.4 in(11 mm) |
| Feb | 40°F(5°C) | 41°F(5°C) | 15°F(-9°C) | 18°F(-8°C) | 0.4 in(10 mm) | 0.7 in(17 mm) |
| Mar | 50°F(10°C) | 53°F(12°C) | 24°F(-5°C) | 28°F(-2°C) | 0.8 in(21 mm) | 1.5 in(39 mm) |
| Apr | 58°F(14°C) | 64°F(18°C) | 32°F(0°C) | 38°F(3°C) | 2.0 in(50 mm) | 2.7 in(68 mm) |
| May | 67°F(20°C) | 74°F(23°C) | 43°F(6°C) | 50°F(10°C) | 3.4 in(86 mm) | 4.3 in(110 mm) |
| Jun | 78°F(26°C) | 85°F(29°C) | 52°F(11°C) | 61°F(16°C) | 3.1 in(80 mm) | 3.9 in(98 mm) |
| Jul | 87°F(30°C) | 89°F(32°C) | 59°F(15°C) | 65°F(19°C) | 2.2 in(55 mm) | 3.0 in(75 mm) |
| Aug | 85°F(30°C) | 86°F(30°C) | 57°F(14°C) | 63°F(17°C) | 1.9 in(49 mm) | 2.9 in(73 mm) |
| Sep | 77°F(25°C) | 79°F(26°C) | 47°F(8°C) | 53°F(12°C) | 1.1 in(29 mm) | 2.4 in(61 mm) |
| Oct | 62°F(17°C) | 66°F(19°C) | 34°F(1°C) | 40°F(4°C) | 1.4 in(36 mm) | 1.6 in(41 mm) |
| Nov | 49°F(9°C) | 51°F(10°C) | 23°F(-5°C) | 27°F(-3°C) | 0.4 in(10 mm) | 0.8 in(21 mm) |
| Dec | 41°F(5°C) | 38°F(4°C) | 16°F(-9°C) | 18°F(-8°C) | 0.3 in(8 mm) | 0.7 in(18 mm) |
1991–2020 averages, by calendar month.