UV Index in Isu, Nigeria

Last updated: June 2, 2025

Understanding the UV Index is essential for residents of Isu, Nigeria, where the sun's effects can be particularly intense. With a climate characterized by high levels of sunshine, being aware of the daily UV levels can significantly contribute to sunburn prevention and overall skin health. On a typical day, UV levels can reach a maximum of 12 around midday, indicating an elevated risk for skin damage. This makes it crucial for locals and visitors alike to stay informed and take appropriate precautions against harmful UV exposure throughout the day.

Hourly UV Index in Isu

The UV Index on this particular day showcases a striking rise and fall throughout the hours. Starting at a mere 1 at 07:00, the index escalates sharply, peaking at an intense 12 by 12:00 noon—indicating a strong risk of harm from unprotected sun exposure. As the sun continues its trajectory, the numbers gradually decrease, with the UV Index descending to 4 by 16:00 and tapering off to 0 by 19:00. This data highlights the critical need for sun protection during the peak hours of 10:00 to 14:00, when the UV Index reaches its zenith, especially at the 11:00 milestone of 10—a reminder to stay safe while enjoying the outdoors!

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	10	very high	15 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	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 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