Ottawa UV index in August
Typical ultraviolet levels for Ottawa during August, from the past year of data.
Very High
Ottawa
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
8.1
UV Index
August average
Low
Moderate
High
Very High
Extreme
August UV
8.0598
Risk level
Very High
Yearly peak
8.9576
Peak month
July
Ottawa UV index — monthly trend
Average UV index by month over the past year, with August highlighted.
Visiting Ottawa in August?
In August, Ottawa's typical UV index is about 8.0598 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Ottawa sees the strongest UV in Summer, peaking around 8.9576 in July. Plan sun protection accordingly.
