UV Index in Manjo, Cameroon

Last updated: July 2, 2025

In Manjo, Cameroon, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. The UV Index indicates the strength of ultraviolet radiation, which can be harmful when exposure is high, especially during peak midday hours. In this region, known for its warm tropical climate, UV levels can soar, particularly between 11:00 AM and 1:00 PM, reaching up to 11 on the scale. By being aware of these levels, residents and visitors can take essential precautions to protect themselves and enjoy the sun safely.

Hourly UV Index in Manjo

The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected during those peak 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	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	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