De Smet, SD
Climate overview — based on NOAA 1991-2020 normals from DE SMET, SD US.
Year-round temperatures (°F)
Climate summary
De Smet has an annual average temperature of 44°F with about 25.9 inches of precipitation per year and 41.4 inches of snow. The warmest month is July (average high 81.5°F), and the coldest is January (average low 4.9°F). June is typically the wettest month (4.06 in) and January the driest (0.60 in). Snow typically falls from October through April.
Best time to visit De Smet
Full guide →Climate change signal
All-time records →29 of 366 (7.9%) of De Smet'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 | 34 | |
| 1900s | 20 | |
| 1910s | 21 | |
| 1920s | 25 | |
| 1930s | 100 | |
| 1940s | 26 | |
| 1950s | 25 | |
| 1960s | 14 | |
| 1970s | 13 | |
| 1980s | 24 | |
| 1990s | 15 | |
| 2000s | 11 | |
| 2010s | 16 | |
| 2020s | 22 |
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 | 23.2°F | 4.9°F | 14.1°F | 0.60 in | 6.2 in | 4 |
| February | 28.5°F | 9.2°F | 18.9°F | 0.88 in | 9.2 in | 4 |
| March | 40.6°F | 20.9°F | 30.7°F | 1.36 in | 6.9 in | 5 |
| April | 55.0°F | 33.2°F | 44.1°F | 2.30 in | 4.8 in | 7 |
| May | 67.1°F | 45.4°F | 56.3°F | 3.32 in | — | 10 |
| June | 76.9°F | 56.1°F | 66.5°F | 4.06 in | — | 10 |
| July | 81.5°F | 61.0°F | 71.2°F | 3.88 in | — | 8 |
| August | 79.1°F | 58.9°F | 69.0°F | 3.07 in | — | 7 |
| September | 71.6°F | 50.1°F | 60.9°F | 2.78 in | — | 6 |
| October | 56.9°F | 35.9°F | 46.4°F | 1.98 in | 1.6 in | 6 |
| November | 40.7°F | 22.0°F | 31.4°F | 0.96 in | 5.4 in | 4 |
| December | 27.7°F | 10.3°F | 19.0°F | 0.74 in | 7.3 in | 4 |
Climate twins of De Smet
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).