Belle Fourche, SD
Climate overview — based on NOAA 1991-2020 normals from BELLE FOURCHE, SD US.
Year-round temperatures (°F)
Climate summary
Belle Fourche has an annual average temperature of 47.9°F with about 18 inches of precipitation per year and 42.2 inches of snow. The warmest month is July (average high 87.3°F), and the coldest is January (average low 12.9°F). May is typically the wettest month (3.04 in) and January the driest (0.44 in). Snow typically falls from October through May.
Best time to visit Belle Fourche
Full guide →Climate change signal
All-time records →28 of 366 (7.7%) of Belle Fourche'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.
| 1900s | 7 | |
| 1910s | 25 | |
| 1920s | 25 | |
| 1930s | 62 | |
| 1940s | 17 | |
| 1950s | 39 | |
| 1960s | 28 | |
| 1970s | 34 | |
| 1980s | 31 | |
| 1990s | 27 | |
| 2000s | 22 | |
| 2010s | 35 | |
| 2020s | 14 |
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 | 36.5°F | 12.9°F | 24.7°F | 0.44 in | 5.5 in | 5 |
| February | 39.1°F | 15.1°F | 27.1°F | 0.51 in | 6.7 in | 5 |
| March | 49.7°F | 23.9°F | 36.8°F | 1.16 in | 7.2 in | 5 |
| April | 59.0°F | 32.8°F | 45.9°F | 2.11 in | 5.2 in | 7 |
| May | 68.5°F | 43.5°F | 56.0°F | 3.04 in | 1.3 in | 10 |
| June | 79.3°F | 53.7°F | 66.5°F | 2.96 in | — | 10 |
| July | 87.3°F | 59.7°F | 73.5°F | 1.96 in | — | 8 |
| August | 86.6°F | 56.8°F | 71.7°F | 1.50 in | — | 7 |
| September | 77.8°F | 46.5°F | 62.2°F | 1.34 in | — | 6 |
| October | 62.2°F | 35.0°F | 48.6°F | 1.72 in | 2.6 in | 8 |
| November | 47.5°F | 23.6°F | 35.6°F | 0.66 in | 3.9 in | 5 |
| December | 37.1°F | 14.9°F | 26.0°F | 0.59 in | 9.8 in | 5 |
Climate twins of Belle Fourche
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).