UV Index in Buffalo, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents of Buffalo, New York, where sun exposure can significantly impact skin health and increase the risk of sunburn, especially during the summer months. With maximum UV levels reaching up to 10 during midday, it’s essential to recognize when and how to protect yourself against harmful rays. Buffalo's BSk climate, characterized by its dry summers, can lead to prolonged UV exposure even on seemingly mild days. Staying informed about the UV Index can help you enjoy the sunshine safely and maintain healthy skin for years to come.

Hourly UV Index in Buffalo

At dawn, the UV Index starts at a mild 1 by 07:00, gradually climbing to 2 by 08:00 as the sun rises. The warmth intensifies, reaching 4 at 09:00 and peaking at a significant 10 between noon and 14:00, signaling the need for sun protection. As the afternoon rolls in, the index begins to dip, settling at 8 by 15:00 before tapering off further to 5 at 16:00. By the evening, the UV levels gracefully descend back to 2 at 18:00 and return to a safe 1 by 19:00, marking a day's journey through varying sun exposure. Be mindful of the midday sun, and stay protected during those peak hours!

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:004moderate30 min
10:006high25 min
11:008very high15 min
12:0010very high15 min
13:0010very high15 min
14:0010very high15 min
15:008very high15 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Buffalo

Throughout the year, UV Index levels experience significant seasonal changes, with high-risk months typically falling between March and August. During these months, particularly in April, May, June, and July, the UV Index reaches levels categorized as very high to extreme, with burn times decreasing to as little as 10 minutes in the peak summer months. Notably, June and July present the highest risk, necessitating heightened caution and protective measures during outdoor activities. As a guideline, from March to September, it’s advisable for visitors and residents to seek shade, wear protective clothing, and apply sunscreen regularly, as the intensity of UV radiation can lead to quick burns. In contrast, the remaining months, especially January, November, and December, offer a moderate to low risk, with longer burn times, allowing for more leniency in sun exposure. Always stay informed on the UV Index to ensure safety while enjoying the outdoors.

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.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109642
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.
 JanFebMarAprMayJunJulAugSepOctNovDec
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Buffalo35710101111109642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975