Boston UV index in August
Typical ultraviolet levels for Boston during August, from the past year of data.
High
Boston
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7.2
UV Index
August average UTC
Low
Moderate
High
Very High
Extreme
August UV
7.2235
Risk level
High
Yearly peak
7.9149
Peak month
July
Boston UV index — monthly trend
Average UV index by month over the past year, with August highlighted.
Visiting Boston in August?
In August, Boston's typical UV index is about 7.2235 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Boston sees the strongest UV in Summer, peaking around 7.9149 in July. Plan sun protection accordingly.