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.