UV Index
St. Catharines UV Index Today
- Current UV Index5.0
- Peak UV Index7.0
- Temperature22.5 ℃
- Peak UV at 1 PM
- Protection Recommended ☀️
Last updated:
The UV index in St. Catharines, Canada 
will reach a high of 5 today. This means a normal level of sun exposure. See our tips below to stay safe!
Hourly Forecast Chart
Today's Safety Tips
Check the live data above for the current conditions and stay safe in the sun!
St. Catharines's UV Index
St. Catharines has a UV index that varies throughout the year, reaching its highest levels of around 7 to 8 during summer months and dropping to 1 or 2 in winter. The city sees warmer, sunnier conditions in summer and cold, snowy weather in winter. Spring and fall have mild temperatures and moderate rainfall, with transitions between the two extremes. Compared to nearby cities like Toronto, St. Catharines tends to have slightly milder winters and warmer summers due to its proximity to Lake Ontario. In the wider Great Lakes region, it shares similar seasonal patterns but often experiences more lake-effect snow than areas farther from water.
Hourly UV Index Trend
See the UV index hour by hour for St. Catharines. When the level is high, it's smart to find some shade.
- TimeUVLevelTemp
- 12 PM5.0moderate22 ℃
Nearby Cities
Check the UV index in other cities near St. Catharines.
