Grantsburg, WI
Climate overview — based on NOAA 1991-2020 normals from GRANTSBURG, WI US.
Year-round temperatures (°F)
Climate summary
Grantsburg has an annual average temperature of 43.1°F with about 33.8 inches of precipitation per year and 52.2 inches of snow. The warmest month is July (average high 82.4°F), and the coldest is January (average low 1.2°F). July is typically the wettest month (4.60 in) and January the driest (0.86 in). Snow typically falls from October through April.
Best time to visit Grantsburg
Full guide →Climate change signal
All-time records →72 of 366 (19.7%) of Grantsburg'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 | 41 | |
| 1960s | 44 | |
| 1970s | 12 | |
| 1980s | 34 | |
| 1990s | 46 | |
| 2000s | 77 | |
| 2010s | 69 | |
| 2020s | 43 |
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 | 22.2°F | 1.2°F | 11.7°F | 0.86 in | 10.8 in | 8 |
| February | 28.2°F | 5.0°F | 16.6°F | 0.90 in | 8.9 in | 6 |
| March | 41.1°F | 17.8°F | 29.5°F | 1.58 in | 8.4 in | 8 |
| April | 55.5°F | 30.7°F | 43.1°F | 2.85 in | 3.5 in | 11 |
| May | 69.1°F | 43.5°F | 56.3°F | 4.06 in | 0.1 in | 12 |
| June | 78.1°F | 53.4°F | 65.8°F | 4.45 in | — | 13 |
| July | 82.4°F | 58.0°F | 70.2°F | 4.60 in | — | 11 |
| August | 80.4°F | 55.8°F | 68.1°F | 4.45 in | — | 11 |
| September | 72.3°F | 47.3°F | 59.8°F | 3.67 in | — | 11 |
| October | 57.5°F | 35.1°F | 46.3°F | 3.17 in | 0.5 in | 11 |
| November | 40.7°F | 22.3°F | 31.5°F | 1.81 in | 8.1 in | 8 |
| December | 27.2°F | 9.5°F | 18.4°F | 1.37 in | 11.9 in | 9 |
Climate twins of Grantsburg
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).