UV Index in George Town, Cayman Islands

Last updated: July 2, 2025

In George Town, Cayman Islands, staying informed about the UV Index is essential for maintaining skin health and preventing sunburn. The Cayman Islands' tropical climate means residents and visitors are often exposed to high UV levels, particularly during midday when the index peaks at 12. Understanding these UV levels helps you take proactive measures to protect your skin, reducing the risk of harmful effects such as sunburn and long-term damage. By being UV-aware, you can enjoy the sunny splendor of George Town while safeguarding your health under the Caribbean sun.

Hourly UV Index in George Town

The UV Index today presents a notable ascent as the sun reaches its zenith. Starting from a modest 1 at 07:00, it gradually climbs to 2 by 08:00. The real surge begins by 09:00, where it hits 5, and peaks at a striking 12 between 12:00 and 13:00. This intense period signals a vital awareness for sun protection! As the day progresses, the index drops steadily, descending to 10 at 14:00 before tapering off to 7 at 15:00, and dwindling down to 1 by 18:00 and flatlining at 0 by 19:00. Be mindful of peak hours for sun exposure, especially during the late morning to early afternoon when UV intensity is at its highest!

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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in George Town

The UV Index experiences significant fluctuations throughout the year, with the highest levels observed from February to August, where it consistently reaches extreme levels of 11 to 13. March, April, May, June, and August mark the highest-risk months, with 10 minutes being the maximum safe exposure time before burning occurs. January, November, and December represent months of very high UV exposure, with slightly longer burn times of 15 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months by wearing sunscreen, protective clothing, and seeking shade when possible, especially during peak sun hours.

Monthly Maximum UV Index for George Town, Cayman Islands

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in George Town. 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 George Town, 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 George Town UV Index with Other Cayman Islands Cities

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

George Town's solar exposure compared to other cities in Cayman Islands. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
George Town	9	11	12	13	13	13	12	13	12	11	9	8
North Side UVI	9	11	12	13	13	13	12	13	12	11	9	8
East End UVI	9	11	12	13	13	13	12	13	12	11	9	8
Bodden Town UVI	9	11	12	13	13	13	12	13	12	11	9	8
West Bay UVI	9	10	12	13	13	13	12	12	12	11	9	8