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

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.

How this is calculated

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.