Ortley, SD
Climate overview — based on NOAA 1991-2020 normals from SUMMIT 1 W, SD US.
Year-round temperatures (°F)
Climate summary
Ortley has an annual average temperature of 42.6°F with about 25.7 inches of precipitation per year and 58.6 inches of snow. The warmest month is July (average high 81.9°F), and the coldest is January (average low 2.1°F). July is typically the wettest month (4.07 in) and January the driest (0.65 in). Snow typically falls from October through April.
Best time to visit Ortley
Full guide →Climate change signal
All-time records →66 of 366 (18%) of Ortley'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.
| 1950s | 16 | |
| 1960s | 47 | |
| 1970s | 45 | |
| 1980s | 74 | |
| 1990s | 46 | |
| 2000s | 42 | |
| 2010s | 50 | |
| 2020s | 46 |
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 | 20.7°F | 2.1°F | 11.4°F | 0.65 in | 10.2 in | 6 |
| February | 25.7°F | 6.1°F | 15.9°F | 0.69 in | 12.4 in | 6 |
| March | 38.7°F | 18.4°F | 28.5°F | 1.03 in | 8.8 in | 6 |
| April | 54.6°F | 30.3°F | 42.5°F | 2.34 in | 7.8 in | 8 |
| May | 68.2°F | 42.8°F | 55.5°F | 3.16 in | 0.1 in | 11 |
| June | 77.1°F | 53.5°F | 65.3°F | 3.95 in | — | 11 |
| July | 81.9°F | 58.1°F | 70.0°F | 4.07 in | — | 9 |
| August | 80.4°F | 56.3°F | 68.3°F | 2.97 in | — | 9 |
| September | 73.0°F | 47.9°F | 60.5°F | 2.77 in | — | 8 |
| October | 57.5°F | 34.4°F | 45.9°F | 2.51 in | 2.0 in | 8 |
| November | 39.8°F | 20.7°F | 30.3°F | 0.90 in | 5.4 in | 5 |
| December | 25.7°F | 8.6°F | 17.2°F | 0.66 in | 11.9 in | 7 |
Climate twins of Ortley
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).