UV Index in Guisa, Cuba

Last updated: May 3, 2025

In Guisa, Cuba, being aware of the UV Index is crucial for safeguarding your skin health. Understanding daily UV levels is essential for preventing sunburn and reducing the long-term risk of skin damage associated with excessive sun exposure. With Guisa's tropical climate, residents and visitors alike experience varying UV risks throughout the day, peaking at an intense 12 to 13 between noon and 1 PM. By keeping a close eye on the UV Index, you can enjoy the sun while protecting yourself from its harmful effects.

Hourly UV Index in Guisa

The UV Index today showcases a dramatic rise in sun exposure as the day progresses. Starting at 7:00 AM with a mild value of 1, the index climbs steadily to reach 4 by 9:00 AM. However, it's around 11:00 AM that the UV radiation peaks at 10, escalating further to a maximum of 12 at noon. The sun’s intensity continues to be fierce, reaching a high of 13 by 1:00 PM before gradually tapering off. From 2:00 PM, the index starts its descent, hovering at 12 and then dropping to 9 by 3:00 PM. As the afternoon transitions into evening, the UV levels diminish significantly, resting at 1 by 7:00 PM. For anyone spending time outdoors, taking precautions during the peak hours is crucial to ensure safety from harmful UV rays.

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	12	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 Guisa

The UV Index fluctuates throughout the year, with the highest levels occurring from March to September when it reaches an extreme level of 12 to 13, requiring minimal exposure times of just 10 minutes to avoid skin damage. Notably, February marks a peak with an index of 11, while January and December see a slight decline, categorized as very high with burn times of 15 minutes. For visitors and residents, the spring and summer months pose the greatest risk for UV exposure, making it crucial to take protective measures such as wearing sunscreen, hats, and protective clothing, especially during peak sunlight hours. As we transition into the lower UV months of November and December, caution should still be maintained due to lingering high UV levels.

Monthly Maximum UV Index for Guisa, Cuba

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

The table above highlights how UV exposure in Guisa 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.

Guisa'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
Guisa	8	11	12	13	13	13	13	13	12	11	9	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