UV Index in Santa Clara, Cuba

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Santa Clara, Cuba, where the tropical climate offers plenty of sun but also poses significant risks for skin health. High UV levels, peaking from midday to mid-afternoon, can lead to painful sunburn and long-term skin damage if precautions aren't taken. With the UV Index frequently soaring to levels as high as 13, awareness is essential for effective sun protection. By keeping an eye on UV levels, you can enjoy the beautiful Cuban sunshine while safeguarding your skin—because in Santa Clara, sun safety is a year-round necessity!

Hourly UV Index in Santa Clara

As the sun rises on this bright day, the UV Index starts off relatively low, peaking at just 1 at both 7:00 AM and 8:00 AM. However, by 9:00 AM, it jumps to 3, signaling an increase in UV exposure. The intensity escalates quickly, reaching a notable 6 by 10:00 AM. The real intensity hits its peak at 12:00 PM, when the UV Index soars to a striking 12, followed closely by a high of 13 at 1:00 PM. Over the next few hours, the index gradually diminishes, but still remains significant with 10 at 3:00 PM and 7 by 4:00 PM. As evening approaches, the levels continue to decline, returning to 1 once dusk settles in at 7:00 PM. Be sure to protect your skin!

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	7	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 Santa Clara

Throughout the year, UV Index levels exhibit significant seasonal changes, with the highest risk occurring from March to September. During these months, the UV Index reaches its peak at 13, categorized as extreme, resulting in a burn time of only 10 minutes, emphasizing the need for heightened sun protection. February also presents a high risk with an Index of 10 and a burn time of 15 minutes. As the year transitions, January and December have a lower UV Index of 7 (high), allowing for longer exposure times of 25 minutes, yet caution is still advised. Residents and visitors are strongly encouraged to adopt sun safety measures, especially during the high-risk months, including wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours.

Monthly Maximum UV Index for Santa Clara, Cuba

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

The table above highlights how UV exposure in Santa Clara 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.

Santa Clara'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
Santa Clara	7	10	12	13	13	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