Climate almanac
Jefferson
Wisconsin, US · 43.01°, -88.81°
What is the climate like in Jefferson?
The best time to visit Jefferson is typically June – September, with trip comfort peaking in September (6.7/10). Jefferson 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 37 in of precipitation.
- Best time to visitJune – September — comfort peaks in September (6.7/10)
- Warmest monthJuly — average high 83°F (28°C)
- Coolest monthJanuary — average low 17°F (-8°C)
- Wettest monthMay (4.2 in)
- Driest monthFebruary (1.6 in)
- Annual precipitation37 in