Ann Arbor UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index7.9
- Avg Clouds7%
- Max Temp25.9 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Ann Arbor, United States 
will reach a high of 7.9 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-22
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
Ann Arbor's UV Index
The UV index in Ann Arbor varies throughout the year, reaching its highest levels around 7 to 8 during summer months and dropping to 1 or 2 in the winter. Spring and fall have moderate UV levels around 3 to 5.
Weather Seasons
Ann Arbor experiences four distinct seasons. Winters are cold with snow, while summers are warm and sometimes humid. Spring brings mild temperatures and blooming plants, and fall features cooler air and colorful leaves.
Ann Arbor's Climate
Compared to the wider Midwest region, Ann Arbor has slightly milder winters than places further north but similar summer warmth. Neighboring states like Ohio and Indiana have comparable seasonal patterns and UV levels, with only minor differences in temperature.
Hourly UV Index Trend
See the UV index hour by hour for Ann Arbor. When the level is high, it's smart to find some shade.
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