UV Index in Mayumba, Gabon

Last updated: August 1, 2025

In Mayumba, Gabon, understanding the UV Index is crucial for safeguarding your skin health and preventing painful sunburns. With the region's warm, tropical climate classified as Aw, residents and visitors alike are exposed to varying UV levels that can reach their peak at midday, making awareness essential for outdoor activities. For instance, the UV Index can soar to 9 around noon, indicating a very high risk of harm from unprotected sun exposure. By staying informed about these levels, you can take proactive measures to protect your skin and enjoy the beautiful sunny days in Mayumba.

Hourly UV Index in Mayumba

The UV Index today presents a dynamic range, starting from a mild 1 at 7:00 AM, slowly climbing as the sun rises. By 10:00 AM, it spikes to a 5, indicating a moderate level of UV intensity. The index reaches its peak at 12:00 PM with a strong 9, suggesting that sun protection is crucial during this time. As the afternoon progresses, it remains high at 8 around 1:00 PM, before gradually tapering off to 4 by 3:00 PM. Afterward, the UV levels drop significantly, falling to 1 by 5:00 PM and finally reaching 0 by 7:00 PM. This trajectory highlights the importance of awareness and protection during peak hours to safeguard against harmful UV exposure.

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	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Mayumba

The UV Index experiences significant fluctuations throughout the year, with the highest-risk months being January through April, where it reaches an extreme level of 13-14, necessitating a burn time of only 10 minutes. As the seasons transition into June, July, and August, the UV Index remains at a very high level of 9-10, allowing for slightly longer burn times of 15 minutes. Notably, September returns to an extreme UV Index of 12, while October to December also maintain an extreme level of 13. Residents and visitors should take precautions, especially during high-risk months, such as wearing protective clothing, using sunscreen, and seeking shade to minimize UV exposure. It's essential to stay informed about local UV index readings and adjust outdoor activities accordingly.

Monthly Maximum UV Index for Mayumba, Gabon

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

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

Mayumba's solar exposure compared to other cities in Gabon. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Libreville UVI	12	12	13	14	12	10	10	11	12	13	12	11
Mayumba	13	14	13	13	13	9	9	10	12	13	13	13
Port-Gentil UVI	12	12	13	14	13	10	9	12	12	13	13	12
Franceville UVI	13	13	14	14	13	9	10	11	12	13	13	12
Moanda UVI	13	13	14	14	13	9	10	11	12	13	13	12
Oyem UVI	12	12	14	15	13	11	11	12	13	14	12	11