UV Index in Aleg, Mauritania

Last updated: June 2, 2025

Understanding the UV Index in Aleg, Mauritania is crucial for maintaining skin health and preventing sunburn, especially given the region's arid BWh climate. As the sun climbs higher, UV levels can reach their peak, reaching an intense maximum of 13 between noon and 1 PM. This makes it vital for residents and visitors to be aware of daily UV fluctuations, as even short exposures can lead to harmful skin effects. By staying informed about UV levels, you can protect yourself during the sunniest hours, ensuring a safe and enjoyable experience in this vibrant desert town.

Hourly UV Index in Aleg

The UV Index today showcases a dramatic rise in sun exposure as the day progresses. Starting at 7:00 AM with a mild value of 1, the index climbs steadily to reach 4 by 9:00 AM. However, it's around 11:00 AM that the UV radiation peaks at 10, escalating further to a maximum of 12 at noon. The sun’s intensity continues to be fierce, reaching a high of 13 by 1:00 PM before gradually tapering off. From 2:00 PM, the index starts its descent, hovering at 12 and then dropping to 9 by 3:00 PM. As the afternoon transitions into evening, the UV levels diminish significantly, resting at 1 by 7:00 PM. For anyone spending time outdoors, taking precautions during the peak hours is crucial to ensure safety from harmful UV rays.

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	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Aleg

Throughout the year, UV levels fluctuate significantly, with high-risk months observed primarily from March to October, where the UV Index ranges from 12 to 13, categorized as extreme. The lowest UV Index values occur during November to February, while still remaining at very high, particularly in January and February with an Index of 9. Visitors and residents are advised to take precautions during March through October, where burn times can be as short as 10 minutes. This includes applying high-SPF sunscreen, wearing protective clothing, and seeking shade, especially during peak sun hours. Even in the overlapping months of November and December, with burn times extending to 15 minutes, protective measures are still recommended to maintain skin health and prevent sun damage.

Monthly Maximum UV Index for Aleg, Mauritania

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

The table above highlights how UV exposure in Aleg compares to other major locations across Mauritania. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Aleg's solar exposure compared to other cities in Mauritania. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Nouadhibou UVI	7	9	11	13	13	12	10	11	12	10	8	7
Nouakchott UVI	8	9	12	13	13	13	12	12	14	11	9	8
Aleg	9	9	12	13	12	13	12	13	13	11	9	8
Kaedi UVI	9	9	12	12	12	13	13	14	13	11	10	8
Nema UVI	9	11	12	14	13	12	12	13	12	11	10	9
Rosso UVI	9	10	12	13	13	13	13	13	14	12	10	8