Nisland, SD
Climate overview — based on NOAA 1991-2020 normals from NEWELL, SD US.
Year-round temperatures (°F)
Climate summary
Nisland has an annual average temperature of 45.7°F with about 16.7 inches of precipitation per year and 39.8 inches of snow. The warmest month is July (average high 85.8°F), and the coldest is January (average low 9.8°F). June is typically the wettest month (3.32 in) and January the driest (0.36 in). Snow typically falls from October through May.
Best time to visit Nisland
Full guide →Climate change signal
All-time records →41 of 366 (11.2%) of Nisland's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1920s | 18 | |
| 1930s | 62 | |
| 1940s | 28 | |
| 1950s | 33 | |
| 1960s | 29 | |
| 1970s | 21 | |
| 1980s | 42 | |
| 1990s | 41 | |
| 2000s | 33 | |
| 2010s | 33 | |
| 2020s | 26 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 31.8°F | 9.8°F | 20.8°F | 0.36 in | 4.7 in | 4 |
| February | 35.1°F | 12.6°F | 23.8°F | 0.50 in | 5.1 in | 4 |
| March | 45.5°F | 21.7°F | 33.6°F | 0.82 in | 7.2 in | 5 |
| April | 56.1°F | 31.5°F | 43.8°F | 1.81 in | 6.5 in | 7 |
| May | 65.9°F | 42.6°F | 54.3°F | 3.16 in | 1.1 in | 9 |
| June | 76.9°F | 52.8°F | 64.9°F | 3.32 in | — | 9 |
| July | 85.8°F | 59.2°F | 72.5°F | 2.07 in | — | 8 |
| August | 85.1°F | 56.7°F | 70.9°F | 1.30 in | — | 6 |
| September | 75.4°F | 46.5°F | 60.9°F | 0.99 in | — | 4 |
| October | 59.9°F | 33.4°F | 46.6°F | 1.38 in | 2.8 in | 5 |
| November | 45.1°F | 20.9°F | 33.0°F | 0.53 in | 4.2 in | 3 |
| December | 34.2°F | 11.9°F | 23.0°F | 0.41 in | 8.2 in | 4 |
Climate twins of Nisland
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).