UV Index in Jasper, United States

Last updated: June 2, 2025

In Jasper, United States, being aware of the UV Index is crucial for safeguarding your skin against harmful solar radiation. Understanding UV levels is essential for effective sunburn prevention and maintaining long-term skin health. With a climate characterized by warm summers and moderate UV exposure, especially between 10 AM and 2 PM when the index peaks at levels up to 11, residents and visitors must monitor these values to enjoy outdoor activities safely. Awareness of the UV Index not only helps protect against immediate discomfort but also reduces the risk of skin damage over time, making it a vital aspect of daily life in Jasper.

Hourly UV Index in Jasper

At 07:00, the UV Index is a gentle 1, signaling a low level of UV radiation. As the sun climbs, it gradually rises, reaching a moderate 3 by 09:00. The intensity peaks spectacularly at 12:00 with a powerful 10, indicating a high risk of harm from unprotected sun exposure. For those brave enough to venture out, it's crucial to take precautions, especially between 13:00 and 14:00, when it hits its zenith at 11. The afternoon sees a slow decline, tapering down to 5 by 17:00 and further reducing to a mild 2 as evening approaches at 18:00. Finally, the day concludes with the UV Index dropping back to a safe 1 by 19:00, making for a relaxing end to a sun-soaked day.

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

Monthly UV Index Trends in Jasper

The UV Index shows significant seasonal changes, with a notable increase from January to July, peaking at an extreme level of 12 in July. The months of February through August highlight the high-risk periods for sun exposure, particularly in the very high to extreme categories, where burn times decrease significantly to as little as 10 minutes. Effective from May to August, residents and visitors should take precautions, including using sunscreen, wearing protective clothing, and seeking shade, especially during peak hours. As the UV levels drop in September and October, the risk remains high until November, transitioning back to moderate levels by December. Staying informed about these changes is essential for minimizing skin damage and maximizing outdoor enjoyment.

Monthly Maximum UV Index for Jasper, United States

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

The table above highlights how UV exposure in Jasper 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.

Jasper'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
Jasper	5	8	9	10	11	11	12	11	10	8	6	5
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5