UV Index in Belmont, United States

Last updated: August 1, 2025

Awareness of the UV Index is crucial for residents of Belmont, United States, as it plays a vital role in protecting skin health and preventing sunburn. Understanding UV levels helps you make informed decisions about outdoor activities and sun protection, ensuring you enjoy Belmont's beautiful weather safely. Situated in a Cfa climate zone, Belmont experiences varying UV exposure throughout the year, with peak levels hitting 11 during midday hours. By staying informed about the UV Index, you can safeguard your skin while enjoying the sunny outdoor lifestyle that Belmont has to offer.

Hourly UV Index in Belmont

Expect a sunny day with a fluctuating UV Index that peaks at 11 around midday. The morning starts off gentle, with values rising from 1 at 7:00 AM to 4 by 9:00 AM. As the sun climbs higher, the UV Index escalates sharply, reaching 9 by 11:00 AM and hitting its highest point of 11 at both 12:00 PM and 1:00 PM. After the sun’s zenith, the UV levels gradually decline, dropping to 10 at 2:00 PM and tapering off to 1 by 7:00 PM. Remember to protect your skin during those peak hours for a safe and enjoyable day outdoors!

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	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	9	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 Belmont

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk months occurring from March to August. These months showcase increasingly extreme levels of UV radiation, peaking at an index of 11 in May, June, and July, where the burn time is critically short at just 10 minutes. February also marks the beginning of heightened risk with a UV Index of 7, while April reaches a very high index of 10. As visitors and residents enjoy outdoor activities, it is crucial to remain vigilant during these months. To protect against harmful UV exposure, it is advised to wear sunscreen, seek shade, and don protective clothing, especially during peak sun hours. Be mindful that even in months with a moderate UV Index, such as January, November, and December, sun protection is still necessary to maintain skin health.

Monthly Maximum UV Index for Belmont, United States

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

The table above highlights how UV exposure in Belmont 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.

Belmont'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
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
Belmont	4	7	8	10	11	11	11	10	9	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5