Tomah, WI
Climate overview — based on NOAA 1991-2020 normals from MATHER 3 NW, WI US.
Year-round temperatures (°F)
Climate summary
Tomah has an annual average temperature of 43.9°F with about 35.2 inches of precipitation per year and 47.9 inches of snow. The warmest month is July (average high 81.1°F), and the coldest is January (average low 5.4°F). June is typically the wettest month (5.24 in) and February the driest (1.03 in). Snow typically falls from October through April.
Best time to visit Tomah
Full guide →Climate change signal
All-time records →43 of 366 (11.7%) of Tomah'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.
| 1900s | 9 | |
| 1910s | 24 | |
| 1920s | 37 | |
| 1930s | 77 | |
| 1940s | 21 | |
| 1950s | 20 | |
| 1960s | 21 | |
| 1970s | 16 | |
| 1980s | 28 | |
| 1990s | 27 | |
| 2000s | 24 | |
| 2010s | 28 | |
| 2020s | 34 |
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 | 24.2°F | 5.4°F | 14.8°F | 1.14 in | 11.3 in | 7 |
| February | 29.1°F | 8.1°F | 18.6°F | 1.03 in | 10.3 in | 6 |
| March | 41.1°F | 19.8°F | 30.5°F | 1.89 in | 7.4 in | 8 |
| April | 54.9°F | 32.0°F | 43.5°F | 3.55 in | 3.5 in | 12 |
| May | 67.6°F | 44.3°F | 55.9°F | 4.28 in | — | 12 |
| June | 77.0°F | 54.4°F | 65.7°F | 5.24 in | — | 11 |
| July | 81.1°F | 58.0°F | 69.5°F | 4.22 in | — | 10 |
| August | 79.1°F | 55.8°F | 67.4°F | 4.34 in | — | 10 |
| September | 71.3°F | 47.3°F | 59.3°F | 3.35 in | — | 10 |
| October | 57.9°F | 36.1°F | 47.0°F | 2.78 in | 0.5 in | 9 |
| November | 42.6°F | 24.5°F | 33.5°F | 1.91 in | 2.9 in | 8 |
| December | 29.7°F | 12.8°F | 21.3°F | 1.51 in | 12.0 in | 8 |
Climate twins of Tomah
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).