Hartford, WI
Climate overview — based on NOAA 1991-2020 normals from HARTFORD WWTP, WI US.
Year-round temperatures (°F)
Climate summary
Hartford has an annual average temperature of 44.7°F with about 34.1 inches of precipitation per year and 36.3 inches of snow. The warmest month is July (average high 80.2°F), and the coldest is January (average low 8.5°F). June is typically the wettest month (4.77 in) and February the driest (1.26 in). Snow typically falls from October through May.
Best time to visit Hartford
Full guide →Climate change signal
All-time records →45 of 366 (12.3%) of Hartford'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 | 12 | |
| 1900s | 12 | |
| 1940s | 0 | |
| 1950s | 41 | |
| 1960s | 49 | |
| 1970s | 25 | |
| 1980s | 53 | |
| 1990s | 60 | |
| 2000s | 43 | |
| 2010s | 46 | |
| 2020s | 25 |
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 | 25.9°F | 8.5°F | 17.2°F | 1.52 in | 10.0 in | 10 |
| February | 29.9°F | 11.4°F | 20.7°F | 1.26 in | 9.1 in | 8 |
| March | 41.3°F | 21.7°F | 31.5°F | 1.78 in | 4.0 in | 8 |
| April | 54.3°F | 33.2°F | 43.7°F | 3.43 in | 1.4 in | 11 |
| May | 66.7°F | 44.3°F | 55.5°F | 3.82 in | 0.3 in | 12 |
| June | 76.6°F | 54.4°F | 65.5°F | 4.77 in | — | 11 |
| July | 80.2°F | 58.2°F | 69.2°F | 3.89 in | — | 9 |
| August | 78.6°F | 56.2°F | 67.4°F | 3.74 in | — | 9 |
| September | 71.8°F | 48.4°F | 60.1°F | 3.23 in | — | 9 |
| October | 58.7°F | 37.1°F | 47.9°F | 2.91 in | 0.3 in | 10 |
| November | 43.8°F | 25.9°F | 34.8°F | 2.06 in | 1.1 in | 9 |
| December | 31.3°F | 15.4°F | 23.3°F | 1.68 in | 10.1 in | 9 |
Climate twins of Hartford
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).