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UV Index in Timor-Leste

Live UV forecast for 10 cities

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UV climate of Timor-Leste: overview

Timor-Leste stretches from -9.3129° to -8.4757° latitude (Southern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 10.2 in Aileu (peak in February), while in Suai the yearly maximum is only ≈ 10.1. 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
Equatorial10 9.9 10.2 10.1 9.6 9 8.5 8.7 9.4 9.9 10.2 10.1 9.9 10.2

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 Timor-Leste (highest UV)

Aileu · 10.2 in February Atsabe · 10.2 in February Baukau · 10.2 in February Dili · 10.2 in February Likisa · 10.2 in February

Cities with the mildest sun

Suai · max 10.1 Venilale · max 10.2 Maubara · max 10.2 Maliana · max 10.2 Lospalos · max 10.2

When do you need SPF in Timor-Leste?

Using Dili 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 Timor-Leste

What is the highest UV index in Timor-Leste?

The calculated clear-sky maximum is ≈ 10.2 — in Aileu around February. Values above this occur only near the equator and in high mountains.

Which city in Timor-Leste is the sunniest?

Aileu (peak ≈ 10.2), followed by Atsabe and Baukau. The mildest sun is in Suai (max ≈ 10.1).

When is SPF needed in Timor-Leste?

In Dili 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 Timor-Leste?

No — the local maximum is ≈ 10.2. UV 11+ occurs only near the equator, in deserts and high mountains.