UV Index in Fort Sumner, United States

Last updated: June 2, 2025

Understanding the UV Index in Fort Sumner, United States is essential for safeguarding your skin health. With peak UV levels in the summer reaching up to 13, awareness of these readings is crucial to prevent sunburn and long-term damage. In this arid BSk climate, residents and visitors are at risk of heightened UV exposure, particularly during midday when the index soars to its highest levels. By staying informed about the UV Index, you can enjoy the sun safely while protecting your skin from harmful effects.

Hourly UV Index in Fort Sumner

The UV Index throughout the day presents a striking trajectory of rising intensity, peaking at 1 PM with a remarkable 13. Starting with a gentle 1 at 7 AM, the sun's rays gradually become more potent, hitting 10 at 11 AM and soaring to a critical 12 by noon. As the afternoon unfolds, the intensity remains strong, fluctuating between 12 and 9 from 1 PM to 3 PM, before gracefully tapering off. By 5 PM, the UV Index descends to 4, and as the day closes, it winds down to a soft 1 by 7 PM. Stay vigilant during those midday hours to protect your skin from the sun's fierce embrace!

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	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	6	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 Fort Sumner

Over the year, UV levels exhibit significant seasonal changes, peaking during the summer months. January and December have a moderate UV Index of 4, allowing for a burn time of 30 minutes. As we move into February, the UV Index rises to 7 (high), and by March, it escalates further to 9 (very high) with a reduced burn time of 15 minutes. The extreme levels begin in April with an Index of 11, continuing until July, where the Index remains high at 12-13, requiring only 10 minutes for potential skin damage. August maintains this extreme level, followed by a slight decline in September (10) and October (8). November sees a drop to 6 (high), and then it returns to 4 in December. Therefore, visitors and residents should take extra precautions from April to August, when the UV Index reaches extreme levels—wear protective clothing, apply sunscreen frequently, and limit exposure during peak hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Fort Sumner, United States

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

The table above highlights how UV exposure in Fort Sumner 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.

Fort Sumner'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
Fort Sumner	4	7	9	11	12	13	12	12	10	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5