Union Grove, WI
Climate overview — based on NOAA 1991-2020 normals from UNION GROVE, WI US.
Year-round temperatures (°F)
Climate summary
Union Grove has an annual average temperature of 46.4°F with about 35.3 inches of precipitation per year and 40.5 inches of snow. The warmest month is July (average high 80.9°F), and the coldest is January (average low 11.7°F). June is typically the wettest month (4.50 in) and February the driest (1.48 in). Snow typically falls from November through April.
Best time to visit Union Grove
Full guide →Climate change signal
All-time records →127 of 366 (34.7%) of Union Grove'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.
| 1940s | 0 | |
| 1950s | 0 | |
| 1960s | 8 | |
| 1970s | 6 | |
| 1980s | 0 | |
| 1990s | 42 | |
| 2000s | 115 | |
| 2010s | 118 | |
| 2020s | 77 |
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 | 28.1°F | 11.7°F | 19.9°F | 1.76 in | 13.0 in | 9 |
| February | 31.9°F | 15.1°F | 23.5°F | 1.48 in | 11.0 in | 7 |
| March | 43.1°F | 24.5°F | 33.8°F | 2.10 in | 4.9 in | 8 |
| April | 54.8°F | 34.5°F | 44.7°F | 3.51 in | 1.7 in | 11 |
| May | 66.4°F | 45.4°F | 55.9°F | 4.13 in | — | 12 |
| June | 76.3°F | 55.6°F | 66.0°F | 4.50 in | — | 11 |
| July | 80.9°F | 60.6°F | 70.7°F | 3.54 in | — | 9 |
| August | 78.9°F | 58.3°F | 68.6°F | 3.82 in | — | 9 |
| September | 72.4°F | 50.3°F | 61.3°F | 3.39 in | — | 9 |
| October | 59.8°F | 39.0°F | 49.4°F | 2.94 in | 0.1 in | 10 |
| November | 45.4°F | 28.1°F | 36.8°F | 2.38 in | 2.1 in | 8 |
| December | 33.5°F | 18.3°F | 25.9°F | 1.73 in | 7.7 in | 9 |
Climate twins of Union Grove
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).