UV Index in Sturbridge, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Sturbridge, Massachusetts—a region known for its humid continental climate—where sun exposure can significantly impact your skin health. With UV levels peaking around mid-day, often reaching a maximum of 10 around noon, being aware of these rays can help prevent painful sunburns and long-term skin damage. As outdoor activities become a staple of Sturbridge's vibrant lifestyle, knowing the daily UV Index can empower you to enjoy the sun safely while protecting your skin throughout the warmer months.

Hourly UV Index in Sturbridge

The UV Index for today showcases a dramatic peak in the early afternoon, climbing steadily from a low of 1 at 07:00 to a maximum of 10 by 13:00. This significant rise indicates a need for caution as sun exposure becomes increasingly intense. As the day progresses, the UV Index dips back down, falling to 8 at 14:00 and gradually decreasing to 1 by 19:00. For those planning outdoor activities, it’s crucial to prioritize sun protection during the hours between 11:00 and 15:00 when the sun is at its harshest. Enjoy the daylight safely!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sturbridge

Throughout the year, the UV Index experiences notable fluctuations, with high-risk months typically spanning from March to September. In April and May, the Index peaks at 10, indicating a very high exposure category where the burn time is just 15 minutes. Consequently, during these months, it is crucial for both visitors and residents to take precautions such as wearing sunscreen, protective clothing, and sunglasses. The risk slightly diminishes in October with a UV Index of 6, shifting to lower levels by November and December, where the Index falls to 4 and 2, respectively. As the year progresses, individuals are encouraged to adjust their sun safety practices according to these seasonal changes to ensure their skin health remains a priority.

Monthly Maximum UV Index for Sturbridge, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sturbridge. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Sturbridge, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Sturbridge UV Index with Other United States Cities

The table above highlights how UV exposure in Sturbridge compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Sturbridge's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sturbridge	3	5	6	8	10	10	9	9	8	6	4	2
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5