Wausau (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Wausau.
Climate overview of Wausau
Temperatures in Wausau, Wisconsin, United States of America, vary greatly throughout the year. July is the hottest month at 27°C (81°F), while January is the coldest at -5°C (23°F).
The city receives around 864 mm (34 in) of rain/snowfall per year. It experiences a distinct dry season from January to February, with warm summers and very cold winters. August is the wettest month and February the driest.
Wausau Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Wausau - and find the best time to visit.
Monthly Temperature in Wausau
The climate in Wausau is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -5°C (23°F) in January.
Nighttime temperatures range from 15°C (59°F) in July to -14°C (7°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Wausau
Generally, Wausau receives mid-range precipitation levels, with 864 mm (34 in) annually. The seasons in Wausau bring significant changes in precipitation. The wettest month, August, receives high rainfall, with an average of 117 mm (4.6 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, February, experiences much less snowfall, totaling 24 mm (0.9 in) over 7 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Wausau Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Wausau
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, 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 Wausau
What is the best time to visit Wausau?
May, July and September typically offer the most optimal weather in Wausau. In contrast, January, February, March, November and December tend to have less optimal conditions. Wausau has a distinct dry season from January to February, with warm summers and very cold winters.
What temperatures can I expect in Wausau?
Daytime highs range from -5°C (23°F) in January to 27°C (81°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 Wausau get?
Annual rainfall is around 864 mm (34 in). August is the wettest month with 117 mm (4.6 in), while February is the driest with 24 mm (0.9 in).
Wausau 3-Day Forecast
Wausau on the map
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