UV Index in Altamont, United States

Last updated: May 3, 2025

In Altamont, United States, being aware of the UV Index is crucial for safeguarding your skin health. Understanding UV levels not only helps in preventing sunburn but also plays a vital role in protecting against long-term skin damage, such as premature aging and skin cancer. With the climate in Altamont categorized as Cfa, residents experience significant UV exposure, especially during peak hours around noon. Here, UV Index readings can soar as high as 11, indicating an extreme risk of harm from unprotected sun exposure. Stay informed and take action to enjoy the sun safely!

Hourly UV Index in Altamont

At dawn, the UV Index starts at a mild 1 at 07:00, indicating minimal risk from solar exposure. By 08:00, it gently rises to 2, and continues to ascend as the sun climbs higher. 09:00 marks an increase to 4, while by 10:00, it reaches a moderate 6. The sun is at its peak intensity around 12:00, with a striking UV Index of 10, the highest risk level for skin protection. Just after, it peaks at 11 by 13:00, but gradually decreases throughout the afternoon, dipping to 8 at 15:00 and further down to 3 by 17:00. As the day wraps up, the UV Index falls back to 1 by 18:00, and continues to remain low at 19:00. Stay mindful of sun exposure during those critical midday hours for optimal protection!

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	10	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 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 Altamont

Throughout the year, UV exposure varies significantly, with the highest risks occurring from March to September. The UV Index peaks at 11 in May and June, categorizing these months as extreme risk, where the burn time is as short as 10 minutes. April also sees a surge, with a very high exposure category at UV Index 9. As the seasons transition, October to February exhibit moderate exposure levels, with burn times of 30 minutes in January and November. Visitors and residents are advised to take precautions during high-risk months, especially from March to September, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risks associated with harmful UV radiation.

Monthly Maximum UV Index for Altamont, United States

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

The table above highlights how UV exposure in Altamont 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.

Altamont'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
Altamont	3	5	7	9	11	11	10	9	8	6	4	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