Harrold, SD
Climate overview — based on NOAA 1991-2020 normals from HARROLD 12 SSW, SD US.
Year-round temperatures (°F)
Climate summary
Harrold has an annual average temperature of 44.3°F with about 18.6 inches of precipitation per year and 40 inches of snow. The warmest month is July (average high 86.9°F), and the coldest is January (average low 3.3°F). June is typically the wettest month (3.30 in) and February the driest (0.44 in). Snow typically falls from October through April.
Best time to visit Harrold
Full guide →Climate change signal
All-time records →21 of 366 (5.7%) of Harrold'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.
| 1960s | 48 | |
| 1970s | 85 | |
| 1980s | 96 | |
| 1990s | 53 | |
| 2000s | 40 | |
| 2010s | 40 | |
| 2020s | 4 |
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 | 27.1°F | 3.3°F | 15.2°F | 0.49 in | 4.8 in | 3 |
| February | 32.3°F | 7.5°F | 19.9°F | 0.44 in | 7.4 in | 4 |
| March | 44.4°F | 18.6°F | 31.5°F | 0.82 in | 5.4 in | 3 |
| April | 57.6°F | 28.7°F | 43.2°F | 1.93 in | 7.0 in | 6 |
| May | 68.9°F | 41.1°F | 55.0°F | 2.73 in | — | 8 |
| June | 79.2°F | 52.6°F | 65.9°F | 3.30 in | — | 8 |
| July | 86.9°F | 58.3°F | 72.6°F | 2.68 in | — | 6 |
| August | 85.5°F | 55.9°F | 70.7°F | 1.93 in | — | 5 |
| September | 77.5°F | 45.6°F | 61.5°F | 1.80 in | — | 4 |
| October | 61.0°F | 30.9°F | 46.0°F | 1.44 in | 0.6 in | 4 |
| November | 44.4°F | 17.9°F | 31.1°F | 0.54 in | 6.8 in | 4 |
| December | 31.0°F | 7.2°F | 19.1°F | 0.54 in | 8.0 in | 3 |
Climate twins of Harrold
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).