UV Index in Assab, Eritrea

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Assab, Eritrea, where the sun shines brightly in a hot desert climate (BWh). Monitoring UV levels not only helps in protecting against painful sunburn but also plays a significant role in maintaining long-term skin health. With the UV Index peaking at 10 around noon, it's essential to be vigilant during the hottest hours to minimize risks of skin damage and heat-related illnesses. Stay informed, take precautions, and enjoy the beautiful Eritrean sun safely!

Hourly UV Index in Assab

The UV Index throughout the day follows an illuminating path, beginning with a gentle maximum of 1 at 7:00 AM. As the sun rises higher, the index climbs steadily, reaching a comfortable 2 by 8:00 AM. By 9:00 AM, it hits 4, but the real intensity begins at 10:00 AM when it surges to 7. The peak arrives at 12:00 PM and 1:00 PM, both clocking in at a strong 10, urging sun seekers to adopt protective measures. The afternoon sees a gradual decline, dipping to 8 at 2:00 PM, then to 5 by 3:00 PM. As the sun begins its descent, the index falls further to 3 at 4:00 PM, before retreating back to 1 by 5:00 PM, and finally settling at 0 by 7:00 PM, marking the end of a day under the sun's potent 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	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	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 Assab

The UV Index experiences notable seasonal changes, peaking at 13 in April and May, indicating an extreme exposure category where burn time is just 10 minutes. February through May are particularly high-risk months, with UV levels remaining at 11 or 12, hence residents and visitors should exercise increased caution. Although June to October sees a slight reduction to a very high UV Index of 10, the recommended burn time remains a mere 15 minutes. As such, it's crucial for everyone to adopt protective measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours, especially from February to May.

Monthly Maximum UV Index for Assab, Eritrea

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

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

Assab's solar exposure compared to other cities in Eritrea. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Massawa UVI	9	10	12	12	11	10	10	10	10	9	9	8
Assab	10	11	12	13	13	10	10	10	10	10	9	8
Keren UVI	11	12	14	14	14	12	12	13	12	12	10	9
Mendefera UVI	11	13	15	15	14	12	13	13	12	12	10	10
Asmara UVI	11	13	15	15	14	12	13	13	12	12	10	10