Weather in Janesville in April
How warm is it in Janesville in April?
In April the typical daytime high in Janesville is 15.3 °C on average, from 11.7 °C at the start to 18.5 °C at the end of the month.
That is 7.2 °C warmer than in March and 6.7 °C cooler than in May.
The last 10 years were 1.0 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Rock Is L&D (182 km), Green Bay (215 km) and Cedar Rapids (223 km); nearer ones count more.