Toronto UV index in May
Typical ultraviolet levels for Toronto during May, from the past year of data.
High
Toronto
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7
UV Index
May average UTC
Low
Moderate
High
Very High
Extreme
May UV
6.9861
Risk level
High
Yearly peak
8.2348
Peak month
July
Toronto UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Toronto in May?
In May, Toronto's typical UV index is about 6.9861 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Toronto sees the strongest UV in Summer, peaking around 8.2348 in July. Plan sun protection accordingly.