Wausau, WI weather and climate in 2025
Day
-3 °C
Night
-12 °C
Sea
0 °C
Precipitation
36 mm
in month
Rainy days
9 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
77 %
Day
-3 °C
Night
-12 °C
Sea
0 °C
Precipitation
36 mm
in month
Rainy days
9 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
77 %
Overview: Wausau, WI
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Weather overview for Wausau, WI
Weather overview
Wausau, Wisconsin experiences a continental climate characterized by cold winters with snow and warm, humid summers. Expect significant seasonal variation in temperatures, sometimes reaching as high as 27 °C (81 °F) in July to dropping as low as -15 °C (5 °F) in January during the night. Precipitation patterns show snow during winter and rain in other seasons, with the highest rainfall of 105 mm (4.12 in) in June. Comfortable daytime temperatures emerge in late spring and stay until early fall, with a comforting progression into the cool, crisp autumn.
January weather
January in Wausau is the heart of winter with chilly day temperatures averaging -5 °C (24 °F). With 9 days of wet days, typically as snow, residents bundle up for the cold. A moderate wind speed of 3 brings a biting wind chill, so dress warmly in layers.
February weather
February in Wausau, while still cold with a daytime high of -2 °C (28 °F), begins to show a slight increase in sun hours with 6 hours. The city experiences 7 days of wet conditions, which is often snow.
March weather
March heralds the onset of spring in Wausau with day temperatures climbing to 4 °C (39 °F). While there are 9 days of wet days, the melting snow attends to the arrival of spring. The average wind speed picks up to 3, adding a cool touch to the breeze.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.April weather
By April, Wausau sees a significant temperature increase with an average daytime high of 13 °C (55 °F). With 11 days of wet days, rain replaces snow, calling for a lighter, waterproof wardrobe. Humidity remains moderate at 65 %.
May weather
May in Wausau celebrates the bloom of spring with an abundance of sun hours (approx 9 hours) and a day temperature average of 20 °C (68 °F). The city sees 11 days of wet days, indicating occasional rain showers fit for spring.
June weather
June ushers in summer with Wausau's highest rainfall at 105 mm (4.12 in) but also warmer day temperatures peaking at 25 °C (77 °F). With 12 days of wet days, summer storms can be expected, and a relative humidity of 70 % makes it feel muggy.
July weather
July boasts the highest temperatures of the year in Wausau, averaging 27 °C (81 °F) during the day. Wind speeds decrease to 3, providing less relief from the heat. With 11 days of wet days, afternoon rain is not uncommon.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.August weather
August in Wausau sees a slight reduction in heat with a day temperature of 26 °C (79 °F) while remaining warm. Humidity increases to 76 %, and with 11 days of wet days, prepare for steamy and potentially rainy days.
September weather
September in Wausau starts to feel the whisper of fall with a moderate day temperature average of 21 °C (70 °F). Wet days number 11 days, and the gradual increase in wind speed to 3 portends the coming cooler season.
October weather
October in Wausau reflects the heart of autumn with cooler average day temperatures of 14 °C (56 °F). The wet day count of 10 days and wind speeds back at 3 remind residents to gear up with windbreakers and warm layers.
November weather
November sees a significant drop in temperatures in Wausau, averaging 5 °C (41 °F) in the daytime. The city experiences 9 days of wet conditions, mostly in the form of snow towards the end of the month. Windspeed remains constant at 3, bringing a chill to the air.
December weather
December in Wausau is characterized by cold temperatures averaging -3 °C (27 °F) during the day and festive holiday snow. Wet days sit at 9 days, and with an average wind speed of 3, it's important to dress warmly for the wintry outdoors.
FAQs
How cold does it get in Wausau during January nights?
January nights in Wausau get quite cold, dropping to an average low of -15 °C (5 °F).
Does Wausau warm up in February?
Wausau remains cold in February with highs barely rising above freezing at -2 °C (28 °F), but it's slightly warmer than January.
When does the snow start melting in Wausau?
In Wausau, snow typically begins to melt in March as temperatures rise, however, with 9 days of precipitation, slush and intermittent snow can be expected.
Is April in Wausau suitable for outdoor activities?
With warmer temperatures averaging 13 °C (55 °F), April in Wausau is suitable for outdoor activities. Look for blooms as the city awakens to spring.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.How warm is Wausau in May?
May in Wausau is pleasantly warm with an average high temperature of 20 °C (68 °F), perfect for springtime activities.
What's the weather like in Wausau in June?
June in Wausau is warm with temperatures reaching 25 °C (77 °F), but with the highest rainfall of the year, thunderstorms are a common occurrence.
How hot does it get in Wausau in July?
July gets quite hot in Wausau, with average daytime temperatures reaching 27 °C (81 °F).
Does Wausau stay warm in August?
Wausau stays pleasantly warm in August with daytime highs of 26 °C (79 °F), still prime time for summer activities.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.What temperatures can I expect in Wausau during September?
Expect milder temperatures in Wausau during September, with averages around 21 °C (70 °F) during the day.
How cool does October get in Wausau?
October in Wausau brings cooler weather, with average daytime temperatures of 14 °C (56 °F).
Does Wausau get cold in November?
Yes, Wausau gets quite cold in November, with average day temperatures dipping to 5 °C (41 °F) and even lower at night.
Is December a cold month in Wausau?
December is indeed a cold month in Wausau, with average high temperatures often below freezing at -3 °C (27 °F).
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.