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UV Index in Trinidad and Tobago

Live UV forecast for 14 cities

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UV climate of Trinidad and Tobago: overview

Trinidad and Tobago stretches from 10.1741° to 11.1823° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 10.1 in Chaguanas (peak in April), while in Tunapuna the yearly maximum is only ≈ 10.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Tropical14 8.4 9.1 9.8 10.1 10 9.8 9.9 10 10 9.6 8.9 8.3 10.1

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

Sunniest cities in Trinidad and Tobago (highest UV)

Chaguanas · 10.1 in April Marabella · 10.1 in April Mon Repos · 10.1 in April Point Fortin · 10.1 in April Rio Claro · 10.1 in April

Cities with the mildest sun

Tunapuna · max 10 Scarborough · max 10 Port of Spain · max 10 Paradise · max 10 Laventille · max 10

When do you need SPF in Trinidad and Tobago?

Using Chaguanas 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 Trinidad and Tobago

What is the highest UV index in Trinidad and Tobago?

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

Which city in Trinidad and Tobago is the sunniest?

Chaguanas (peak ≈ 10.1), followed by Marabella and Mon Repos. The mildest sun is in Tunapuna (max ≈ 10).

When is SPF needed in Trinidad and Tobago?

In Chaguanas 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 Trinidad and Tobago?

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