Janesville Weather in August

August in Janesville sees daytime temperatures around 27°C (81°F) and lows of 16°C (61°F) at night. With around 136 mm (5.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Janesville in August

Past climate data indicates that roughly 11 days will see rain, totalling around 136 mm (5.4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Janesville in August

In August, Janesville gets high temperatures, with highs of 27°C (81°F). Nights cool to around 16°C (61°F). Summer occurs in August. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Janesville in August

The days are predominantly sunny, with an estimated total of around 272 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, May, July and September typically offer the best circumstances for Janesville.

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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 Janesville's climate page.

Janesville Temperature in August

Min Temperature 16°C (61°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 37%  

Precipitation 136 mm (5.4 in)  

Rainy days 11 days  

Humidity 73% *  

Sunshine 272 hours *  

Percentage Sunshine 62% *  

* Data from: Madison, the United States of America (51 KM, 31 Miles).

What to Wear in Janesville in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Janesville 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 Janesville's climate page.

More climate data for Janesville

Temperature Rainfall Sunshine Humidity

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