UV Index in Boi, Nigeria

Last updated: January 18, 2026

Understanding the UV Index in Boi, Nigeria is crucial for safeguarding your health under the sun. With high UV levels peaking during the midday hours, being aware of these fluctuations can help you prevent sunburn and protect your skin from long-term damage. Boi's tropical climate and intense sunlight make it essential for residents to grasp the significance of UV exposure risks, especially when the index soars to 13 around noon. By keeping track of the UV Index, you can enjoy the outdoors while taking the necessary precautions for healthy skin.

Hourly UV Index in Boi

As the sun rises, the UV Index starts modestly at 1 at 07:00, indicating minimal risk. By 09:00, it climbs to a moderate 5, encouraging outdoor enthusiasts to take precautions. The peak emerges around 12:00, hitting a noticeably high 13, and remains intense until 14:00 when it slightly dips to 11. As the afternoon wanes, the index gradually decreases; by 15:00, it falls to 7, and as evening approaches, it continues its decline to 2 at 17:00. Finally, the UV Index settles at 1 by 18:00, ultimately dipping to a safe 0 by 19:00. It's a day where midday sun protection is paramount!

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	60+ minutes
08:00	1	low	60+ minutes
09:00	3	moderate	30–60 min
10:00	6	high	15–30 min
11:00	9	very high	10–15 min
12:00	11	extreme	<10 minutes
13:00	11	extreme	<10 minutes
14:00	9	very high	10–15 min
15:00	6	high	15–30 min
16:00	3	moderate	30–60 min
17:00	1	low	60+ minutes
18:00	1	low	60+ minutes
19:00	0	low	60+ minutes

Monthly UV Index Trends in Boi

Throughout the year, UV Index levels exhibit significant seasonal changes, with extreme levels dominating from January to October. High-risk months occur from March to August, peaking at an Index of 13, where even minimal sun exposure can lead to severe burns in just 10 minutes. As winter approaches, November and December present slightly lower UV levels, categorized as very high, with a burn time of 15 minutes. Visitors and residents are advised to take precautions during high UV periods by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during midday hours. Prioritize skin safety to enjoy the outdoors while minimizing the risk of UV-related harm.

Monthly Maximum UV Index for Boi, Nigeria

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

The table above highlights how UV exposure in Boi 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.

Boi'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
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
Boi	11	12	13	12	12	12	13	13	13	12	10	10