UV Index in Boston

Real-time UV forecast & tanning weather

Current Conditions

Loading live weather data...
0
Low
UV Index
🌡️
9°C
Temperature
☀️
Clear sky
Conditions
☀️
Peak Tanning Window 2PM • UV 7

Hourly UV Forecast

☀️ Fair tanning conditions • 2PM–5PM • 14°C • 15 km/h 🌬️
0
6AM
0
7AM
1
8AM
1
9AM
2
10AM
4
11AM
5
12PM
7
1PM
7
2PM
7
3PM
5
4PM
4
5PM
2
6PM
1
7PM
0
8PM
0
9PM
Low 0–2 Moderate 3–5 High 6–7 Very High 8–10 Extreme 11+

16-Day UV Forecast

7
Mon 1
Fair
8
Tue 2
Excellent
8
Wed 3
Excellent
8
Thu 4
Excellent
7
Fri 5
Excellent
6
Sat 6
Excellent
2
Sun 7
1
Mon 8
1
Tue 9
Poor
2
Wed 10
Poor
8
Thu 11
Excellent
4
Fri 12
Good
5
Sat 13
Poor
7
Sun 14
Good
4
Mon 15
Poor
0
Tue 16
Poor

Location & Climate

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.

Tanning Tips

Boston has a distinct tanning season from March to November. Winter UV is too low for effective tanning.

Weather data by Open-Meteo (CC BY 4.0)

Monthly UV Index in Boston

Average daily maximum UV index by month

Jan
3
Feb
4
Mar
5
Apr
6
May
8
Jun
9
Jul
9
Aug
9
Sep
8
Oct
6
Nov
5
Dec
4
Low Moderate High Very High Extreme

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

Related Guides

Tanning in UV 9-10+ → Aggressive Tanning — What to Know → Safe Tanning Tips → Foods That Help You Tan → Best Time of Day to Tan →

Tanning Tools & Calculators

☀️

Tanning Time Calculator

Calculate your ideal tanning time based on skin type and UV index

 🔥

Sunburn Calculator

Find out how long until you burn based on your skin type and current UV

 🎨

Skin Type Quiz

Discover your Fitzpatrick skin type and get personalized tanning advice

 📅

Tanning Routine Creator

Build a personalized tanning plan based on your skin, UV, and experience

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.

UV Index in Nearby Cities

8
Cambridge
Avg. Peak UV
› 8
Salem
Avg. Peak UV
› 8
Marblehead
Avg. Peak UV
› 8
Gloucester
Avg. Peak UV
› 8
Newburyport
Avg. Peak UV
› 8
Rockport
Avg. Peak UV
›

Get Personalized Tanning Sessions

Tan AI calculates your perfect tanning time based on real-time UV, your skin type, and goals.

Download on the App Store Get it on Google Play