Ethan, SD
Climate overview — based on NOAA 1991-2020 normals from ALEXANDRIA, SD US.
Year-round temperatures (°F)
Climate summary
Ethan has an annual average temperature of 45°F with about 25.3 inches of precipitation per year and 36.3 inches of snow. The warmest month is July (average high 84.2°F), and the coldest is January (average low 5.8°F). June is typically the wettest month (3.97 in) and January the driest (0.47 in). Snow typically falls from October through April.
Best time to visit Ethan
Full guide →Climate change signal
All-time records →31 of 366 (8.5%) of Ethan'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.
| 1890s | 28 | |
| 1900s | 26 | |
| 1910s | 32 | |
| 1920s | 38 | |
| 1930s | 83 | |
| 1940s | 20 | |
| 1950s | 25 | |
| 1960s | 17 | |
| 1970s | 4 | |
| 1980s | 22 | |
| 1990s | 15 | |
| 2000s | 13 | |
| 2010s | 19 | |
| 2020s | 24 |
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 | 25.3°F | 5.8°F | 15.5°F | 0.47 in | 6.1 in | 5 |
| February | 31.0°F | 9.6°F | 20.3°F | 0.74 in | 8.0 in | 5 |
| March | 43.8°F | 20.7°F | 32.2°F | 1.13 in | 5.2 in | 6 |
| April | 57.6°F | 31.9°F | 44.8°F | 2.88 in | 4.7 in | 8 |
| May | 69.4°F | 44.4°F | 56.9°F | 3.64 in | — | 11 |
| June | 79.3°F | 55.6°F | 67.4°F | 3.97 in | — | 10 |
| July | 84.2°F | 60.0°F | 72.1°F | 3.13 in | — | 8 |
| August | 81.8°F | 57.4°F | 69.6°F | 3.02 in | — | 7 |
| September | 75.1°F | 48.6°F | 61.9°F | 2.81 in | — | 7 |
| October | 60.0°F | 34.7°F | 47.4°F | 2.01 in | 0.9 in | 7 |
| November | 43.2°F | 21.4°F | 32.3°F | 0.92 in | 3.2 in | 4 |
| December | 29.2°F | 10.3°F | 19.7°F | 0.60 in | 8.2 in | 5 |
Climate twins of Ethan
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).