UV Index in As Sayyani, Yemen

Last updated: May 3, 2025

In As Sayyani, Yemen, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's hot desert climate classified as BWh, the sun's ultraviolet radiation can reach dangerously high levels, particularly between 10:00 AM and 1:00 PM, when the UV Index peaks at 13. By keeping an eye on UV levels, residents and visitors can take proactive measures to protect themselves from harmful exposure, ensuring safe enjoyment of the beautiful, sunny days that As Sayyani has to offer.

Hourly UV Index in As Sayyani

The UV Index for the day showcases a notable peak in sun intensity, reaching a maximum of 13 at 11:00 AM and holding steady for an hour thereafter. As the morning progresses, UV levels rise sharply from a mild 1 at 7:00 AM to a striking 10 by 10:00 AM, signaling that sun protection becomes increasingly important. Post-noon, a gradual decline ensues, with UV levels tapering off to 9 at 2:00 PM, then gently falling to 5 by 3:00 PM, and further dwindling to a low of 0 by 7:00 PM. This dynamic pattern emphasizes the critical hours when the sun is strongest—midday, when outdoor activities demand vigilance against UV exposure.

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	3	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in As Sayyani

The UV Index data shows a clear seasonal trend with high-risk months primarily from March to June, where the index peaks at 15 in April, indicating an extreme exposure category. Visitors and residents should be particularly cautious during these months, as burn time is just 10 minutes. Interestingly, while July and August still maintain high UV levels (12), the index decreases slightly in June. The risk remains significant through September and October, when the index stays at 12. As we transition into the winter months, November and December record a very high UV Index of 10 with a slightly longer burn time of 15 minutes. It is crucial for everyone to wear sunscreen, protective clothing, and seek shade during high UV times, especially in the summer months, to ensure their safety and health.

Monthly Maximum UV Index for As Sayyani, Yemen

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

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

As Sayyani's solar exposure compared to other cities in Yemen. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Al Hudaydah UVI	9	10	11	13	12	10	9	9	9	9	8	8
Aden UVI	10	11	13	14	13	10	11	12	10	10	9	9
Taiz UVI	10	12	13	14	13	10	12	12	11	11	10	9
Mukalla UVI	11	12	13	14	14	12	12	12	12	11	10	9
As Sayyani	11	12	14	15	14	11	12	12	12	12	10	10
Sanaa UVI	12	13	15	16	15	14	13	13	14	13	11	10