Hartville, WY
Climate overview — based on NOAA 1991-2020 normals from GUERNSEY DAM #2, WY US.
Year-round temperatures (°F)
Climate summary
Hartville has an annual average temperature of 48.6°F with about 16.1 inches of precipitation per year. The warmest month is July (average high 89.4°F), and the coldest is December (average low 13.4°F). May is typically the wettest month (3.05 in) and January the driest (0.37 in).
Best time to visit Hartville
Full guide →Climate change signal
All-time records →227 of 366 (62%) of Hartville'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 | 37 | |
| 1970s | 48 | |
| 1980s | 0 | |
| 1990s | 0 | |
| 2010s | 130 | |
| 2020s | 151 |
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 | 39.0°F | 13.8°F | 26.4°F | 0.37 in | — | — |
| February | 42.7°F | 16.1°F | 29.4°F | 0.51 in | — | — |
| March | 52.2°F | 24.9°F | 38.6°F | 0.95 in | — | — |
| April | 59.4°F | 31.7°F | 45.6°F | 2.03 in | — | — |
| May | 69.0°F | 42.5°F | 55.8°F | 3.05 in | — | — |
| June | 80.0°F | 53.4°F | 66.7°F | 2.11 in | — | — |
| July | 89.4°F | 59.4°F | 74.4°F | 1.74 in | — | — |
| August | 87.2°F | 57.4°F | 72.3°F | 1.22 in | — | — |
| September | 78.4°F | 47.4°F | 62.9°F | 1.27 in | — | — |
| October | 62.8°F | 33.1°F | 47.9°F | 1.46 in | — | — |
| November | 49.7°F | 23.5°F | 36.6°F | 0.44 in | — | — |
| December | 39.9°F | 13.4°F | 26.7°F | 0.90 in | — | — |
Climate twins of Hartville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).