UV Index in Semi, Benin

Last updated: July 2, 2025

Understanding the UV Index in Semi, Benin is crucial for protecting your skin and overall health. With high UV levels peaking at 12 during the midday hours, awareness of these fluctuations can help you prevent sunburn and long-term skin damage. In Semi's tropical climate, characterized by an Aw classification, the sun can be intense, making it essential to know when to seek shade or apply sunscreen to stay safe. By staying informed about UV exposure risks, you can enjoy the outdoors while taking the necessary precautions for your skin.

Hourly UV Index in Semi

The UV Index throughout the day showcases a significant peak around midday, making for an intriguing observation of sunlight intensity. Starting at 07:00, the index remains low at 1, gradually rising to 3 by 09:00. As the sun climbs higher, we reach a notable 6 by 10:00 and surge to its maximum intensity of 11 at noon, a warning to take protective measures. The afternoon sees a brief plateau with 12 at 13:00, before tapering off to 11 at 14:00 and declining steadily to 5 by 16:00. By 17:00, the index drops to 2, and the sunlight wanes, bringing it back down to 1 by 18:00 and finally settling at 0 by 19:00. This hourly data serves as an important reminder to stay vigilant under the sun, especially during those peak hours!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	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 Semi

The UV Index exhibits extreme levels from January through June, peaking in April at a UV Index of 14, with a consistent burn time of 10 minutes throughout these months. Visitors and residents should be particularly cautious, as the high-risk months for sun exposure include March through October, where the UV Index remains at 12 or higher. As we move into November and December, the risk lowers to very high levels (UV Index of 9) with a slightly increased burn time of 15 minutes. It is essential for everyone to take precautionary measures during these months by wearing protective clothing, sunglasses, and applying sunscreen regularly, especially during peak sun hours.

Monthly Maximum UV Index for Semi, Benin

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

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

Semi's solar exposure compared to other cities in Benin. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Semi	11	11	12	14	12	11	12	12	12	12	9	9
Porto-Novo UVI	11	11	12	14	12	11	12	12	12	12	9	9
Abomey-Calavi UVI	11	11	12	14	12	11	12	12	12	12	9	9
Bohicon UVI	11	11	12	14	13	12	12	12	13	12	9	9
Parakou UVI	11	11	12	13	12	12	13	13	13	11	10	10
Djougou UVI	11	12	12	14	12	13	13	13	13	12	10	10