UV Index in Brazzaville, Congo

Last updated: May 3, 2025

In Brazzaville, Congo, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels is essential, especially in a city that experiences a tropical wet and dry climate, where sunny days can lead to high UV exposure. With peak UV Index readings soaring to 11 around noon, residents and visitors must take appropriate precautions to protect themselves from harmful rays. By monitoring the UV Index, you can enjoy the sun safely while minimizing the risks associated with prolonged exposure.

Hourly UV Index in Brazzaville

As the sun rises, the UV Index steadily increases, starting at a mild 1 at 7:00 AM. By 9:00 AM, it surges to a moderate 5, signaling the need for some sun protection. The intensity peaks dramatically at 12:00 PM with a daunting 11, marking the height of solar exposure where precautions are essential. As the afternoon progresses, the index begins to decline, but still remains significant at 9 by 1:00 PM. By 3:00 PM, it drops to 4, and the late afternoon sees it further fade to a gentle 1 by 5:00 PM. By sunset, the UV Index diminishes to 0, providing a reassuring end to a day of sun. Stay safe and enjoy the sunshine!

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	10	very high	15 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Brazzaville

The UV Index experiences significant fluctuations throughout the year, with extreme levels noted from January to April and during October to November, indicating high-risk months for skin damage with a burn time of just 10 minutes during these periods. March has the peak UV Index at 14, making it particularly hazardous. From May to September, the UV Index remains very high, though slightly less intense, especially in June and July, where the burn time increases to 15 minutes. Visitors and residents are advised to take necessary precautions during these high-risk months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak hours to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for Brazzaville, Congo

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

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

Brazzaville's solar exposure compared to other cities in Congo. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brazzaville	13	13	14	13	11	8	8	10	10	12	13	12
Pointe-Noire UVI	13	13	14	13	12	9	8	10	11	13	13	12
Kayes UVI	14	14	14	14	12	9	9	10	11	13	13	13
Owando UVI	12	12	14	14	13	10	10	10	13	13	12	11
Dolisie UVI	14	14	14	14	12	9	9	10	11	13	13	13