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UV Index in Cambodia

Live UV forecast for 46 cities

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UV climate of Cambodia: overview

Cambodia stretches from 10.4829° to 14.2322° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 10.1 in Kep (peak in April), while in Yeang the yearly maximum is only ≈ 9.8.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Tropical46 8.1 8.8 9.6 9.9 9.9 9.7 9.8 9.9 9.8 9.3 8.6 8 9.9

Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.

Sunniest cities in Cambodia (highest UV)

Kep · 10.1 in April Angk Tasaom · 10 in April Bavet · 10 in April Boeng Kak Pir · 10 in April Chrang Chamreh Muoy · 10 in April

Cities with the mildest sun

Yeang · max 9.8 Tbeng Meanchey · max 9.8 Stung Treng · max 9.8 Sisophon · max 9.8 Siem Reap · max 9.8

When do you need SPF in Cambodia?

Using Phnom Penh 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 Cambodia

What is the highest UV index in Cambodia?

The calculated clear-sky maximum is ≈ 10.1 — in Kep around April. Values above this occur only near the equator and in high mountains.

Which city in Cambodia is the sunniest?

Kep (peak ≈ 10.1), followed by Angk Tasaom and Bavet. The mildest sun is in Yeang (max ≈ 9.8).

When is SPF needed in Cambodia?

In Phnom Penh 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 Cambodia?

No — the local maximum is ≈ 10.1. UV 11+ occurs only near the equator, in deserts and high mountains.