UV Index in Vertientes, Cuba

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Vertientes, Cuba, where the sun can be quite intense. As the temperatures soar in this tropical climate, awareness of UV levels becomes vital for sunburn prevention and maintaining healthy skin. Peak UV exposure often occurs during midday when UV indices can reach as high as 13, indicating a moderate to extreme risk of harm from unprotected sun exposure. By keeping an eye on the ever-changing UV Index, you can enjoy the beautiful Cuban sun while protecting your skin from its potential dangers.

Hourly UV Index in Vertientes

As the day unfolds, the UV Index reveals a dynamic sun intensity pattern. Starting with a cool 1 at 07:00 and 08:00, the UV rays begin to strengthen, climbing to 3 by 09:00. The sun reaches its zenith at 12:00, peaking at a blistering 12, before escalating to an impressive 13 at 13:00. Afterward, the intensity starts to wane, tapering off to 10 by 15:00 and then dropping back to 6 at 16:00. As evening approaches, the UV Index declines further, reaching a gentle 2 at 18:00 and settling back to 1 by the time the sun sets at 19:00. Enjoy the sunshine, but don’t forget to protect your skin 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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Vertientes

The UV Index exhibits significant seasonal variations, peaking between March and October, where the exposure category is predominantly extreme. Notably, the months of April and May maintain an index of 13, indicating critical sun exposure risks with a burn time of just 10 minutes. March also presents a high risk with a UV index of 12. Residents and visitors should be particularly vigilant during these months, as skin damage can occur quickly. In contrast, November and December show a reduction in risk, with indices declining to 9 and 7, respectively. Advising individuals to apply sunscreen, wear protective clothing, and seek shade during peak sun hours is essential, especially in high-risk months.

Monthly Maximum UV Index for Vertientes, Cuba

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

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

Vertientes's solar exposure compared to other cities in Cuba. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Havana UVI	7	10	11	12	12	13	12	12	12	10	8	7
Camaguey UVI	8	10	12	13	13	13	12	12	12	11	9	7
Vertientes	8	10	12	13	13	13	12	12	12	11	9	7
Holguin UVI	8	11	12	13	13	13	13	13	12	11	8	7
Santiago de Cuba UVI	9	11	12	13	13	13	13	13	13	11	9	8
Guantanamo UVI	9	11	12	13	13	13	13	13	13	11	9	8