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UV Index in Seychelles

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UV climate of Seychelles: overview

Seychelles stretches from -4.62° to -4.62° latitude (Southern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 10.5 in Victoria (peak in March), while in Victoria 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
Equatorial1 10.1 10.4 10.5 10.2 9.7 9.2 9.4 10 10.4 10.5 10.3 10 10.5

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 Seychelles (highest UV)

Cities with the mildest sun

When do you need SPF in Seychelles?

Using Victoria 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 Seychelles

What is the highest UV index in Seychelles?

The calculated clear-sky maximum is ≈ 10.5 — in Victoria around March. Values above this occur only near the equator and in high mountains.

Which city in Seychelles is the sunniest?

Victoria (peak ≈ 10.5), followed by
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. The mildest sun is in Victoria (max ≈ 10.5).

When is SPF needed in Seychelles?

In Victoria 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 Seychelles?

No — the local maximum is ≈ 10.5. UV 11+ occurs only near the equator, in deserts and high mountains.