UV Index in Buffalo, United States

Last updated: May 3, 2025

Being aware of the UV Index in Buffalo, United States, is crucial for safeguarding your skin against harmful UV radiation. Understanding these UV levels is essential not only for preventing painful sunburns but also for promoting long-term skin health. Buffalo's BSk climate means that while summers may be moderate, there are still significant UV exposure risks, especially during peak hours around noon. This awareness can help you enjoy the outdoors while keeping your skin protected, ensuring you have a safer and more enjoyable experience under the sun.

Hourly UV Index in Buffalo

As the sun rises on this vibrant day, the UV Index begins its steady ascent. Starting at a mild 1 at 07:00, it quickly climbs to 3 by 09:00, signaling that it’s time to enjoy some outdoor activities with caution. By 10:00, the index reaches a moderate 5, but the real heat kicks in at 11:00, peaking at an intense 11 from 13:00 to 14:00. During this peak, sun protection is crucial, especially for those planning to be outdoors. As the afternoon progresses, the UV Index gently declines, dropping to 7 by 16:00 and tapering off to 4 by 17:00. As the sun sets, the index returns to 1 by 19:00, marking a gentle end to a day of vibrant sunlight.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Buffalo

As the seasons change, so does the UV Index, indicating varying levels of sun exposure risk throughout the year. High-risk months peak from April to August, where the UV Index escalates to 10 and above, classifying these months with very high to extreme exposure levels and a burn time of just 10-15 minutes. In contrast, the low-risk months, such as January, November, and December, present a moderate UV Index (3-5) with a longer burn time of up to 30 minutes. To safeguard against harmful UV radiation, it is advisable for visitors and residents to take precautionary measures, especially during the high-risk months: wear sunscreen, seek shade, and don protective clothing when outdoors. Stay informed and keep your skin safe!

Monthly Maximum UV Index for Buffalo, United States

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

The table above highlights how UV exposure in Buffalo 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.

Buffalo'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
Buffalo	4	6	7	10	11	11	11	11	9	7	5	3
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