UV Index in Little Cayman, Cayman Islands

Last updated: June 2, 2025

Staying informed about the UV Index is crucial for residents and visitors of Little Cayman, Cayman Islands. Understanding UV levels is essential for sunburn prevention and overall skin health, helping you make informed choices about sun exposure. Little Cayman, with its tropical climate, often presents high UV risks, particularly during midday hours when indices can soar to a blistering 13. By keeping an eye on the UV Index, you can enjoy the island's stunning beaches while protecting your skin from harmful effects!

Hourly UV Index in Little Cayman

The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!

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	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 Little Cayman

Throughout the year, UV Index levels fluctuate significantly, with the highest exposure recorded from February to October, where the index consistently reaches extreme levels of 11 to 13. Notably, March, April, May, and June each have a peak UV Index of 13, signifying a 10-minute burn time, indicating that these months pose the highest risk for UV exposure. January, November, and December feature lower UV indices but still carry risks, categorized as very high, with burn times of 15 minutes. As such, residents and visitors should take extra precautions during these high-risk months, particularly from February to October. It is advisable to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak sun hours to mitigate potential harm from UV radiation.

Monthly Maximum UV Index for Little Cayman, Cayman Islands

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

The table above highlights how UV exposure in Little Cayman 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.

Little Cayman'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
Little Cayman	8	11	12	13	13	13	12	12	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
George 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