Weather in Janesville in January
Janesville, United States averages a high of -2.2°C (28°F) and low of -10.5°C (13.1°F) in January, with 8 rain days and 5.6 hours of daily sunshine. Travel score: 40.4/100 (Mixed). The best time to visit Janesville is July.
High
-2°C28°F
Low
-10°C13°F
🌧️
8
rain days
☀️
5.6
hrs/day sunshine
💧
76%
humidity
40— Mixed
January in Janesville is freezing and mostly dry — bring heavy winter clothing.
What are the average temperatures in Janesville?
How much does it rain in Janesville in January?
Janesville receives an average of 44.2mm of rainfall across 8 rainy days in January. The annual total is 871.2mm.
What should I pack for Janesville in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around -2°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -10°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31