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UV Index in Guinea

Live UV forecast for 47 cities

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UV climate of Guinea: overview

Guinea stretches from 7.7562° to 12.4833° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 10.3 in Lola (peak in April), while in Koundara the yearly maximum is only ≈ 9.9.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Equatorial18 8.7 9.3 9.9 10.2 10 9.8 9.9 10.1 10.1 9.8 9.1 8.6 10.2
Tropical29 8.3 9 9.7 10 9.9 9.8 9.8 10 9.9 9.5 8.8 8.3 10

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 Guinea (highest UV)

Cities with the mildest sun

When do you need SPF in Guinea?

Using Conakry as a reference: the UV index reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December. 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 Guinea

What is the highest UV index in Guinea?

The calculated clear-sky maximum is ≈ 10.3 — in Lola around April. Values above this occur only near the equator and in high mountains.

Which city in Guinea is the sunniest?

Lola (peak ≈ 10.3), followed by Nzerekore and Beyla. The mildest sun is in Koundara (max ≈ 9.9).

When is SPF needed in Guinea?

In Conakry 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 Guinea?

No — the local maximum is ≈ 10.3. UV 11+ occurs only near the equator, in deserts and high mountains.