UV Index in Newton, United States

Last updated: May 3, 2025

Staying informed about the UV Index in Newton, United States, is crucial for your health and well-being. Understanding UV levels helps you effectively prevent sunburn and maintain long-term skin health, especially during those peak hours when UV exposure is highest, such as between 10 AM and 2 PM. In Newton's Dfb climate, characterized by cold winters and warm summers, it’s essential to be mindful of UV risks, as even a few minutes of unprotected sun exposure can lead to skin damage. Remember, a little awareness goes a long way in protecting yourself from harmful UV radiation!

Hourly UV Index in Newton

The UV Index for today presents an intriguing journey through the hours. It starts off gently at 1 at 07:00, but as the morning progresses, it climbs swiftly to 2 by 08:00 and reaches a moderate 4 at 09:00. The sun intensifies its rays further, peaking at a robust 9 between 12:00 and 13:00—a reminder to take precautions against harmful UV exposure. Following this peak, the index gradually descends, dipping to 6 at 15:00, and mellowing down to 1 by 18:00. This pattern highlights the importance of seeking shade or applying sunscreen during the midday hours when UV radiation is most potent.

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	9	very high	15 min
14:00	8	very high	15 min
15:00	6	high	25 min
16:00	4	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 Newton

Seasonal changes in UV exposure show a notable increase from winter to summer, with the highest risk months occurring from April to August. During this period, the UV Index peaks at 10 in June, which is classified as very high, indicating a burn time of only 15 minutes. Visitors and residents are advised to take extra precautions during these months, such as wearing sunscreen, protective clothing, and sunglasses, especially between 10 AM and 4 PM, when UV radiation is strongest. As the season shifts into fall and winter, UV levels decrease, falling back to a low exposure category in January and December, with safe burn times extending to 45 minutes. However, between February and March, the UV Index returns to moderate levels, requiring vigilance to protect skin health.

Monthly Maximum UV Index for Newton, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Newton. 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 Newton, 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 Newton UV Index with Other United States Cities

The table above highlights how UV exposure in Newton 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.

Newton'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
Newton	2	5	5	8	9	10	9	9	7	6	3	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