Waukesha Weather in August

August in Waukesha brings high temperatures, with highs of 27°C (81°F) and nights dropping to 15°C (59°F). Rainfall is on the higher side this month, averaging around 103 mm (4.1 in), so keep a rain jacket handy.

Rainfall in Waukesha in August

You can expect rain on roughly 11 days based on historical data, averaging 103 mm (4.1 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Waukesha in August

August in Waukesha sees highs of 27°C (81°F) and lows of 15°C (59°F) overnight. The summer season takes place during August. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Waukesha in August

The days are predominantly sunny, with an estimated total of around 282 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, May, July and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Waukesha's climate page.

Waukesha Temperature in August

Min Temperature 15°C (59°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 37%  

Precipitation 103 mm (4.1 in)  

Rainy days 11 days  

Humidity 75% *  

Sunshine 282 hours *  

Percentage Sunshine 65% *  

* Data from: Milwaukee, the United States of America (25 KM, 15 Miles).

What to Wear in Waukesha in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Waukesha in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Waukesha's climate page.

More climate data for Waukesha

Temperature Rainfall Sunshine Humidity

See the full Waukesha climate overview or explore weather in the United States of America.