UV Index in San Luis, Cuba

Last updated: May 3, 2025

Awareness of the UV Index in San Luis, Cuba is essential for everyone seeking to enjoy the beautiful outdoors while protecting their skin health. Understanding UV levels is crucial as they indicate the risk of sunburn and long-term skin damage, helping you take appropriate precautions. San Luis, with its tropical climate, typically experiences high UV exposure, especially between 10 AM and 2 PM, when levels can soar to a striking 12. By staying informed about the daily UV Index, residents and visitors alike can make safer choices and fully embrace the sun-soaked beauty of this vibrant region.

Hourly UV Index in San Luis

The UV Index undergoes a notable progression throughout the day, beginning at a gentle 1 at 07:00, before gradually rising to a moderate 2 by 08:00. As the sun ascends, the index climbs sharply, peaking at a dizzying 13 around 13:00—a clear indication that sun protection is essential during these hours. From this pinnacle, the UV Index begins its descent, tapering off to a 9 at 15:00 and finally dwindling to 1 by the evening hours of 18:00 and 19:00. With this data in mind, it's crucial to enjoy the outdoors safely, particularly between 11:00 and 14:00, when the sun's rays are at their 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Luis

Throughout the year, the UV Index exhibits significant seasonal variation, peaking from March to October with an extreme level of 13, which poses a very high risk for skin damage. The high-risk months for UV exposure are February through October, with March, April, May, June, July, August, and September all classified as extreme. During these months, the recommended burn time is a mere 10 minutes, underscoring the urgency for protective measures. Residents and visitors are strongly advised to wear sunscreen, seek shade, and don protective clothing, especially during midday hours when the sun's rays are most intense. As the UV Index decreases in November and December, it remains crucial to remain vigilant about sun safety, with burn times extending to 15 minutes in these months classified as very high.

Monthly Maximum UV Index for San Luis, Cuba

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

The table above highlights how UV exposure in San Luis 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.

San Luis'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
Holguin UVI	8	11	12	13	13	13	13	13	12	11	8	7
San Luis	8	11	12	13	13	13	13	13	12	11	8	8
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