Boston UV index in October

Typical ultraviolet levels for Boston during October, from the past year of data.

Moderate Boston

Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

October average UTC

October UV
3.7046
Risk level
Moderate
Yearly peak
7.9149
Peak month
July

Boston UV index — monthly trend

Average UV index by month over the past year, with October highlighted.

Visiting Boston in October?

In October, Boston's typical UV index is about 3.7046 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

Across the year, Boston sees the strongest UV in Summer, peaking around 7.9149 in July. Plan sun protection accordingly.