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UV Index in Congo

Live UV forecast for 23 cities

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UV climate of Congo: overview

Congo stretches from -4.7761° to 3.1028° latitude (Southern hemisphere, partly crossing the equator), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 10.9 in Makoua (peak in March), while in Pointe-Noire the yearly maximum is only ≈ 10.5. As in the whole Southern hemisphere, the sun is strongest from November to February — opposite to Europe and North America.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Equatorial23 10.1 10.5 10.7 10.5 10.1 9.7 9.8 10.3 10.7 10.7 10.4 10.1 10.7

Calculated clear-sky noon peaks at the average latitude of each zone. In the equatorial belt the UV stays high all year round, with two maxima around the equinoxes. Real values vary with clouds, altitude and ozone.

Sunniest cities in Congo (highest UV)

Makoua · 10.9 in March Owando · 10.9 in March Impfondo · 10.8 in September Mossaka · 10.8 in March Ouesso · 10.8 in September

Cities with the mildest sun

Pointe-Noire · max 10.5 Loandjili · max 10.5 Sibiti · max 10.6 Nkayi · max 10.6 Mouyondzi · max 10.6

When do you need SPF in Congo?

Using Brazzaville as a reference: the UV index reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December. In the opposite-hemisphere regions the season is reversed. In the sunniest zones (see table) SPF 30–50+ is needed almost year-round; in the mildest — only in late spring and summer.

FAQ: UV index in Congo

What is the highest UV index in Congo?

The calculated clear-sky maximum is ≈ 10.9 — in Makoua around March. Values above this occur only near the equator and in high mountains.

Which city in Congo is the sunniest?

Makoua (peak ≈ 10.9), followed by Owando and Impfondo. The mildest sun is in Pointe-Noire (max ≈ 10.5).

When is SPF needed in Congo?

In Brazzaville and similar latitudes the UV reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December: use SPF 30–50+ on sunny days. Protection is advised from UV 3.

Is UV 11+ possible in Congo?

No — the local maximum is ≈ 10.9. UV 11+ occurs only near the equator, in deserts and high mountains.