Sudbury UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index6.9
- Avg Clouds54%
- Max Temp27.7 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Sudbury, Canada 
will reach a high of 6.9 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-20
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.
Sudbury's UV Index
Sudbury's UV index varies seasonally, with low values in winter and higher values in summer, typically ranging from 0 to 7. The UV index peaks around June and July.
Weather Seasons
Sudbury has cold, snowy winters and warm, humid summers. Spring and fall are short and can be unpredictable, with temperatures gradually changing. Snow usually covers the ground from November to March.
Sudbury's Climate
Compared to southern parts of Canada and the U.S., Sudbury is colder in winter with more snow. Its summers are milder than those farther south. Neighboring Ontario areas have similar weather but may be a bit warmer or cooler depending on location.
Hourly UV Index Trend
See the UV index hour by hour for Sudbury. When the level is high, it's smart to find some shade.
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