UV Index in Lagos, Nigeria

Last updated: May 3, 2025

Understanding the UV Index is essential for residents of Lagos, Nigeria, where the sun shines brightly throughout the year. With UV levels soaring to a maximum of 11 during midday, awareness of these values is critical for effective sunburn prevention and maintaining long-term skin health. The tropical climate, characterized by high humidity and intense sunlight, poses significant risks for skin-related issues. By keeping an eye on the UV Index, you can enjoy the beautiful Lagos sun safely and protect your skin from potential damage.

Hourly UV Index in Lagos

As the sun rises, the UV Index begins at a modest 1 at 07:00, gradually climbing to reach 2 by 08:00. The real intensity kicks in at 09:00, where it hits 4, but the peak is yet to come. By 11:00, the index skyrockets to 9, leading to an afternoon high of 11 at both 12:00 and 13:00—a clear indication to seek shade and protect your skin! As the day wanes, the UV Index starts to decline, dropping back to 7 by 15:00, and continuing its descent through 4 at 16:00 and 2 at 17:00. Finally, the UV levels fall to 1 at 18:00 and settle at a safe 0 by 19:00. Remember, as the sun shines bright, prioritize your protection! 🌞

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

Seasonal UV changes indicate that from January to April, the UV Index remains consistently high, peaking at 13 in April, which falls under the extreme exposure category, meaning burn time is only 10 minutes during this period. May to October continues the trend with a sustained extreme category, with the UV Index fluctuating between 11 and 12, maintaining a 10-minute burn time. High-risk months are particularly evident from March to September, where residents and visitors should exercise extra caution. Conversely, November and December see a drop in UV levels, yet still pose risks with very high exposure (UV Index 9 and 8, respectively), and a longer burn time of 15 minutes. It’s crucial for individuals to wear protective clothing, apply sunscreen regularly, and seek shade, especially during peak sunlight hours, to minimize sun damage and health risks throughout the year.

Monthly Maximum UV Index for Lagos, Nigeria

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

The table above highlights how UV exposure in Lagos 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.

Lagos'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	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