Hamilton 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 Hamilton, 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!
Hamilton's UV Index
Hamilton's UV index varies seasonally, reaching moderate to high levels during summer months and staying low during fall and winter. The peak UV index typically occurs in June and July.
Weather Seasons
Hamilton experiences four distinct seasons: cold, snowy winters; warm, humid summers; and mild springs and falls with variable rainfall. Snowfall is common from December to March, while summer temperatures often range from 20 to 30°C (68 to 86°F).
Hamilton's Climate
Compared to the wider Ontario region, Hamilton has a slightly milder climate due to its location near Lake Ontario, which moderates temperatures. Neighboring cities like Toronto have similar weather but may experience slightly warmer summers and colder winters.
Hourly UV Index Trend
See the UV index hour by hour for Hamilton. 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 Hamilton.