UV Index in Manjo, Cameroon

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Manjo, Cameroon, as it plays a significant role in safeguarding skin health and preventing sunburn. The tropical climate of Manjo, characterized by high humidity and consistent sunlight, poses considerable risks of excessive UV exposure, particularly during the peak hours from 10 AM to 2 PM, when the UV Index can soar to 13. By staying informed about daily UV levels, you can take proactive measures to protect yourself and your loved ones from harmful UV rays, ensuring a healthier outdoor experience in this vibrant region.

Hourly UV Index in Manjo

As the sun rises, the UV Index begins its gradual ascent, hitting a mild 1 by 7:00 AM. The intensity grows steadily, reaching 2 by 8:00 AM and then surging to 5 at 9:00 AM. By 10:00 AM, the index peaks at a robust 8, warning of increasing exposure risk. 11:00 AM sees the UV rays intensify to an impressive 11, leading to a maximum of 13 at 12:00 PM, making it critical to stay protected. The afternoon sun starts to mellow out, dropping to 12 by 1:00 PM, then gradually tapering off to 10 at 2:00 PM, 6 at 3:00 PM, and further declining to 3 at 4:00 PM. Finally, as evening descends, the index falls to 1 by 5:00 PM and remains at that level through 6:00 PM, until fading to 0 after sunset at 7:00 PM. Stay vigilant and shield yourself during those peak midday 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	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	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 Manjo

Throughout the year, UV Index levels remain consistently high, reflecting extreme exposure from January to October. The highest UV Index occurs in April with a peak of 14, followed closely by March (12) and May (13), while levels drop slightly in November and December. The high-risk months for sunburn, characterized by a rapid burn time of just 10 minutes, include January through October, making it essential for visitors and residents to prioritize sun safety. During these months, it's crucial to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during midday hours when UV exposure is at its peak. Even in December, with a UV Index of 10, caution is advised as the burn time increases slightly to 15 minutes.

Monthly Maximum UV Index for Manjo, Cameroon

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

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

Manjo's solar exposure compared to other cities in Cameroon. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Douala UVI	10	11	12	14	13	11	11	12	12	12	11	10
Kousseri UVI	10	12	13	12	12	12	13	13	13	11	10	9
Manjo	11	12	12	14	13	12	11	12	13	12	11	10
Garoua UVI	11	12	12	13	13	12	13	13	14	12	10	10
Yaounde UVI	11	12	13	15	13	12	11	12	13	13	11	11
Bamenda UVI	12	13	14	14	14	13	13	13	13	13	12	11