UV Index in Keren, Eritrea

Last updated: May 3, 2025

Understanding the UV Index in Keren, Eritrea is crucial for safeguarding your skin and maintaining overall health. With the region's BWh climate, characterized by hot, dry conditions, UV exposure can be intense, particularly during midday hours when UV levels peak at an alarming 14. Being aware of the UV Index not only helps prevent painful sunburns but also plays a significant role in reducing the risk of long-term skin damage. Daily fluctuations in the UV Index—from a low of 1 in the early morning to a staggering 12 by noon—underscore the importance of monitoring these levels to enjoy the sunny outdoors safely and healthily.

Hourly UV Index in Keren

At sunrise, the UV Index begins its gentle ascent, starting at a low of 1 at 07:00. As the sun climbs higher, the intensity increases rapidly, reaching 3 by 08:00 and surging to 5 by 09:00. The real peak occurs between 11:00 and 12:00, where the index skyrockets to an impressive 12 and a staggering 14, signaling the most intense UV radiation of the day. By 13:00, it begins a gradual decline to 13, before tapering off to 10 at 14:00. The afternoon heat cools down the UV exposure as it drops to 7 at 15:00 and continues to decrease to 4 by 16:00. As evening approaches, the index diminishes quickly, settling at 2 by 17:00 and retreating to 1 by 18:00, with the day closing out at 0 by 19:00. Be sure to seek shade and apply sunscreen during those peak hours to protect your skin from harmful 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Keren

Throughout the year, UV Index values indicate significant risk for skin damage due to extreme exposure, particularly from January to August, when the index reaches levels between 11 and 14, with a rapid burn time of just 10 minutes. March, April, and May are especially high-risk months, maintaining an index of 14. As the year progresses, a slight decline in UV intensity occurs, with November and December dropping to a very high category, allowing for a longer burn time of 15 minutes. It's crucial for both visitors and residents to take precautions during these peak months by wearing protective clothing, applying sunscreen, and limiting sun exposure during peak hours to minimize the risk of UV-related harm.

Monthly Maximum UV Index for Keren, Eritrea

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

The table above highlights how UV exposure in Keren 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.

Keren'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 UVI	10	11	12	13	13	10	10	10	10	10	9	8
Keren	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