Janesville

What is the climate like in Janesville?

Janesville is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 17°F (-8°C). The wettest month is typically May and the driest is February; the year sees roughly 38 in of precipitation.

• Warmest monthJuly — average high 83°F (28°C)
• Coolest monthJanuary — average low 17°F (-8°C)
• Wettest monthMay (4.4 in)
• Driest monthFebruary (1.7 in)
• Annual precipitation38 in