Tomah (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Tomah.
Climate overview of Tomah
Tomah, Wisconsin, United States of America, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and January dropping to -4°C (25°F).
With around 911 mm (36 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has a distinct dry season from January to February, with warm summers and very cold winters.
Tomah Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tomah - and find the best time to visit.
Monthly Temperature in Tomah
Visitors to Tomah can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold -4°C (25°F) in the coolest month, January.
Nights vary from 15°C (59°F) in July to around -14°C (7°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Tomah
Generally, Tomah experiences moderate precipitation patterns, averaging 911 mm (36 in) yearly. The climate in Tomah shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 121 mm (4.8 in) of precipitation over 13 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 25 mm (1 in) of snowfall over 9 snowy days. For more details, please visit our Tomah Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Tomah by Month
The relative humidity is high throughout the year in Tomah.
The city experiences its highest humidity in September, reaching 76%. In April, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Tomah
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and September
- Warmest weather: July and August
- Fewest rainy days: January, February, March and November
- Seasonal pattern: A distinct dry season from January to February, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Tomah
What is the best time to visit Tomah?
July and September typically offer the most optimal weather in Tomah. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Tomah has a distinct dry season from January to February, with warm summers and very cold winters.
What temperatures can I expect in Tomah?
Daytime highs range from -4°C (25°F) in January to 28°C (82°F) in July. Nighttime lows range from -14°C (7°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Tomah get?
Annual rainfall is around 911 mm (36 in). June is the wettest month with 121 mm (4.8 in), while January is the driest with 25 mm (1 in).
Tomah 3-Day Forecast
Tomah (WI) 3-Day Forecast
Tomah on the map
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