UV Index in Havana, Cuba

Last updated: July 2, 2025

Understanding the UV Index in Havana, Cuba is crucial for safeguarding your skin in this vibrant tropical paradise. With the Cuban sun often shining brightly, awareness of UV levels can help prevent sunburn and promote overall skin health. The Aw climate here brings frequent exposure to intense sunlight, especially during midday hours when the UV Index can peak at a staggering 12. By keeping an eye on the UV Index, residents and visitors alike can enjoy all that Havana has to offer while minimizing the risks associated with excessive sun exposure.

Hourly UV Index in Havana

As the sun rises, the UV Index slowly climbs, starting at a low 1 at 07:00 and 08:00. By 09:00, it slightly increases to 2. However, the real intensity kicks in as the day progresses, peaking at an impressive 12 between 13:00 and 14:00. This is the critical time when sun protection is essential, given the dangerous exposure level. As the afternoon wanes, the index starts to decrease, dropping to 10 by 15:00 and further declining to 5 at 17:00. Finally, as the sun sets, it returns to a mild 1 by 19:00. Take note of these fluctuations, as they are crucial for staying safe under the sun!

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

Monthly UV Index Trends in Havana

Throughout the year, UV Index levels fluctuate significantly, with the highest values occurring from March to September. The most critical months for UV exposure are March through September, where the index reaches extreme levels, particularly in June at a peak of 13, resulting in a burn time of just 10 minutes. In contrast, January, December, and November offer lower UV exposure, with burn times of 25 minutes and 15 minutes, indicating a safer period for outdoor activities. It is vital for both visitors and residents to adopt protective measures during the high-risk months, including wearing sunscreen, protective clothing, and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Havana, Cuba

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

The table above highlights how UV exposure in Havana 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.

Havana'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	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
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