UV Index in Isu, Nigeria

Last updated: May 3, 2025

In Isu, Nigeria, staying informed about the UV Index is crucial for protecting your skin health and preventing sunburn. With the region's Aw climate—characterized by warm temperatures and significant sun exposure—understanding UV levels helps residents take proactive measures against harmful rays, especially when indices peak at 12 around midday. By monitoring the UV Index, you can enjoy outdoor activities while safeguarding your skin from potential damage, ensuring a healthier lifestyle in the sun-drenched beauty of Isu.

Hourly UV Index in Isu

The UV Index for the day shows a dramatic shift as the sun climbs higher, reaching its peak at noon with a value of 12, indicating a very high level of UV radiation. The sun's intensity begins to ramp up sharply from 8:00 AM, where it starts at a mild 2, climbing to a notable 11 by 11:00 AM. By 1:00 PM, the UV Index remains steady at 12, reminding everyone to take necessary precautions. As the afternoon progresses, the index gradually declines, with values dropping to 6 by 3:00 PM, and tapering off to 1 by 5:00 PM. By 7:00 PM, the rating falls to a mere 0, signaling a safe return outdoors as daylight fades. Remember to shield yourself 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	2	low	45 min
09:00	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 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 Isu

During the year, UV Index levels exhibit significant fluctuations, particularly peaking from February to October where they fall within the extreme exposure category. The highest UV Index readings occur in April with a remarkable 13, followed closely by March and May at 11. Consequently, February through September are considered high-risk months for UV exposure, with minimal safe burn times of only 10 minutes during this period. Residents and visitors should take precautionary measures to protect their skin, including wearing sunscreen, protective clothing, and seeking shade, especially during peak exposure hours. As the UV Index drops in November and December to levels of 9, it remains important to exercise care, as these months still reflect a very high exposure level with a slightly extended burn time of 15 minutes.

Monthly Maximum UV Index for Isu, Nigeria

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

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

Isu's solar exposure compared to other cities in Nigeria. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lagos UVI	10	10	11	13	12	11	11	11	12	11	9	8
Port Harcourt UVI	10	11	11	14	12	11	11	11	12	12	10	9
Isu	10	11	11	13	12	12	12	11	12	12	9	9
Ibadan UVI	10	11	12	14	12	12	12	12	13	11	9	9
Kano UVI	10	12	13	11	11	11	12	13	12	11	10	10
Kaduna UVI	10	12	12	12	11	12	13	13	13	11	10	10