UV Index in Assab, Eritrea

Last updated: May 3, 2025

In Assab, Eritrea, staying aware of the UV Index is crucial for safeguarding your skin health and enjoying the sunny climate. With an average of 12 during peak hours, the UV Index can pose significant risks, making it essential to understand UV levels for effective sunburn prevention. In this BWh climate, where clear skies and intense sunlight are common, knowing when to seek shade or apply sunscreen can mean the difference between a fun day outdoors and painful sun damage. Stay informed and keep your skin protected while enjoying the beautiful Eritrean sun!

Hourly UV Index in Assab

At 07:00, the UV Index starts with a mild rating of 1, making it safe for morning activities. However, as the sun rises, it quickly gains intensity, peaking at a striking 12 by 12:00—the highest point of the day. The sun’s rays are strongest between 10:00 and 13:00, with a critical UV level of 11 at 11:00. As the afternoon progresses, the index begins to wane, dropping to 8 by 14:00, and further declining to 5 by 15:00. By 17:00, the UV Index decreases to a safer 1, paving the way for evening activities under less harsh sunlight. As night falls, the UV activity fades to 0 at 19:00, offering a gentle reminder of the sun's powerful presence during the 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 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