UV Index in Boston
Real-time UV forecast & tanning weather
Current Conditions
Loading live weather data...Weather data by Open-Meteo (CC BY 4.0)
Monthly UV Index in Boston
Average daily maximum UV index by month
Jan
3
Moderate
Feb
4
Moderate
Mar
5
Moderate
Apr
6
High
May
8
Very High
Jun
9
Very High
Jul
9
Very High
Aug
9
Very High
Sep
8
Very High
Oct
6
High
Nov
5
Moderate
Dec
4
Moderate
Best Months to Tan in Boston
Based on average UV levels, the best months for tanning in Boston are:
March Good
April Good
May Great
June Excellent
July Excellent
August Excellent
September Great
October Good
November Good
Rating based on average monthly UV index
Tanning Guide for Boston
Boston enjoys a long tanning season from March through November with high UV peaks, but coastal winds and humidity can influence how quickly you tan. During the summer, head to a south-facing beach like Carson Beach around midday for optimal sun absorption.
Boston has a distinct tanning season from March to November. Winter UV is too low for effective tanning.
Related Guides
Frequently Asked Questions
What is the UV index in Boston right now?
The current UV index in Boston is shown in the live weather section above. UV levels change throughout the day, typically peaking between 11 AM and 2 PM local time.
What is the best month to tan in Boston?
The best months for tanning in Boston are March, April, May, June, July, August, September, October, November, when average UV levels reach 5 or higher.
How long should I tan in Boston?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 7, a person with Skin Type III (medium complexion) can safely tan for about 21 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 9?
UV index 9 is classified as Very High. Very High — avoid prolonged sun exposure. Short tanning sessions with SPF 50+ recommended.
When is the peak UV time in Boston?
UV levels in Boston typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.
Get Personalized Tanning Sessions
Tan AI calculates your perfect tanning time based on real-time UV, your skin type, and goals.
