Pewaukee (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pewaukee.
Climate overview of Pewaukee
Pewaukee, Wisconsin, United States of America, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and January dropping to -3°C (27°F).
With around 971 mm (38 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has warm summers and very cold winters. The sunniest month is July, with 10.6 hours of sunshine per day on average.
Pewaukee Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pewaukee - and find the best time to visit.
Monthly Temperature in Pewaukee
Visitors to Pewaukee can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -3°C (27°F) in the coolest month, January.
Nights vary from 16°C (61°F) in July to around -11°C (12°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pewaukee
Generally, Pewaukee experiences moderate precipitation patterns, averaging 971 mm (38 in) yearly. The climate in Pewaukee shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 144 mm (5.7 in) of precipitation over 13 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 35 mm (1.4 in) of snowfall over 10 snowy days. For more details, please visit our Pewaukee Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Pewaukee
For those who appreciate different seasons, Pewaukee serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.6 hours of sunshine daily, and embrace the darker days in December, offering only 3.5 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Pewaukee by Month
The relative humidity is high throughout the year in Pewaukee.
The city experiences its highest humidity in December, reaching 76%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Pewaukee
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Pewaukee
What is the best time to visit Pewaukee?
May, August and September typically offer the most optimal weather in Pewaukee. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Pewaukee has warm summers and very cold winters.
What temperatures can I expect in Pewaukee?
Daytime highs range from -3°C (27°F) in January to 27°C (81°F) in July. Nighttime lows range from -11°C (12°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Pewaukee get?
Annual rainfall is around 971 mm (38 in). June is the wettest month with 144 mm (5.7 in), while January is the driest with 35 mm (1.4 in).
How sunny is Pewaukee?
Pewaukee receives around 2,486 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 104 hours. Overall, Pewaukee enjoys abundant sunshine.
Pewaukee 3-Day Forecast
Pewaukee (WI) 3-Day Forecast
Pewaukee on the map
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