Mason, WI
Climate overview — based on NOAA 1991-2020 normals from ASHLAND KENNEDY MEM AP, WI US.
Year-round temperatures (°F)
Climate summary
Mason has an annual average temperature of 41.5°F with about 27.9 inches of precipitation per year. The warmest month is July (average high 78.9°F), and the coldest is January (average low 5.8°F). July is typically the wettest month (3.93 in) and January the driest (0.64 in).
Best time to visit Mason
Full guide →Climate change signal
All-time records →161 of 366 (44%) of Mason'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.
| 1990s | 23 | |
| 2000s | 129 | |
| 2010s | 105 | |
| 2020s | 109 |
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 | 22.3°F | 5.8°F | 14.0°F | 0.64 in | — | 7 |
| February | 26.6°F | 7.7°F | 17.2°F | 0.70 in | — | 6 |
| March | 37.8°F | 17.9°F | 27.9°F | 1.12 in | — | 8 |
| April | 50.6°F | 28.5°F | 39.5°F | 2.26 in | — | 10 |
| May | 64.4°F | 38.6°F | 51.5°F | 3.45 in | — | 12 |
| June | 73.4°F | 48.5°F | 61.0°F | 3.92 in | — | 13 |
| July | 78.9°F | 54.5°F | 66.7°F | 3.93 in | — | 13 |
| August | 77.1°F | 53.2°F | 65.1°F | 3.44 in | — | 14 |
| September | 69.0°F | 45.8°F | 57.4°F | 3.03 in | — | 13 |
| October | 55.4°F | 34.7°F | 45.0°F | 2.83 in | — | 11 |
| November | 40.1°F | 24.5°F | 32.3°F | 1.55 in | — | 9 |
| December | 27.6°F | 12.6°F | 20.1°F | 0.98 in | — | 8 |
Climate twins of Mason
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).