UV Index in Arima, Trinidad and Tobago

Last updated: July 2, 2025

Understanding the UV Index in Arima, Trinidad and Tobago is crucial for protecting your skin and overall health. With high UV levels peaking around noon at a striking 13, awareness of ultraviolet radiation is key to preventing painful sunburns and long-term skin damage. Arima's tropical climate contributes to consistently elevated UV exposure, particularly between the hours of 10 AM and 2 PM, when the risk of harm is at its highest. By keeping an eye on the UV Index, you can enjoy the beautiful sunny days while ensuring your skin stays safe and healthy!

Hourly UV Index in Arima

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it jumps to 3, a signal to enjoy some morning sun responsibly. The real intensity kicks in at 9:00 AM, peaking at 12:00 PM with a blistering 13—a reminder to seek shade and slather on that sunscreen! After the midday heat, the index begins to decline, dipping to 10 at 2:00 PM, and down to 1 by 5:00 PM. Finally, the day winds down at 6:00 PM with a UV index of 1, wrapping up the daylight hours with minimal UV exposure. Stay sun-safe and keep that SPF handy during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Arima

The UV Index demonstrates significant seasonal changes, remaining in the extreme exposure category for most of the year, with values peaking in April at 15 and fluctuating between 11 and 14 throughout the other months. The highest risk months occur from March to September, where the index consistently reflects extreme levels, indicating a burn time of just 10 minutes for unprotected skin. Residents and visitors alike should take precautionary measures during these months, including wearing sunscreen, protective clothing, and seeking shade to minimize skin damage. While October and November see slightly lower indices, vigilance is still advisable as exposure remains high. During December, the UV index drops to 10, classified as very high, suggesting that protection is still important, albeit with a marginally longer burning time of 15 minutes.

Monthly Maximum UV Index for Arima, Trinidad and Tobago

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Arima. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Arima, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Arima UV Index with Other Trinidad and Tobago Cities

The table above highlights how UV exposure in Arima compares to other major locations across Trinidad and Tobago. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Arima's solar exposure compared to other cities in Trinidad and Tobago. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
San Fernando UVI	12	12	14	14	14	13	13	13	14	14	11	10
Mon Repos UVI	12	12	14	14	14	13	13	13	14	14	11	10
Chaguanas UVI	12	12	14	14	14	13	13	13	14	14	11	10
Port of Spain UVI	11	12	14	14	14	13	13	13	14	14	11	10
Arima	11	12	14	15	14	14	13	13	14	14	11	10
Rio Claro UVI	12	12	14	14	14	13	13	13	14	14	11	10