Weather in Janesville in May

Janesville, United States averages a high of 20°C (68°F) and low of 10°C (50°F) in May, with 11 rain days and 10.3 hours of daily sunshine. Travel score: 74.9/100 (Good). The best time to visit Janesville is July.

High
20°C68°F
Low
10°C50°F
🌧️
11
rain days
☀️
10.3
hrs/day sunshine
💧
68%
humidity
75Good

May in Janesville is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.

What are the average temperatures in Janesville?

JanFebMarAprMay20°10°JunJulAugSepOctNovDec

How much does it rain in Janesville in May?

Janesville receives an average of 98.4mm of rainfall across 11 rainy days in May. The annual total is 871.2mm.

JanFebMarAprMay11dJunJulAugSepOctNovDec

What should I pack for Janesville in May?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Recommended

🧥
Light rain jacket
Some rainy days expected (11 days)
Umbrella
Be prepared for occasional showers

Traveling to United States in May?

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