UV Index in Guanajay, Cuba

Last updated: June 2, 2025

In Guanajay, Cuba, being aware of the UV Index is crucial for protecting your skin and overall health. With the UV levels often peaking between 11 AM and 2 PM, understanding these measurements can help you take proactive steps to prevent sunburn and minimize long-term skin damage. The tropical climate of Guanajay, characterized by intense sunlight and high UV exposure risks, makes it essential for residents and visitors alike to stay informed and adjust their outdoor activities accordingly. By staying vigilant about UV levels, you can enjoy the beautiful Cuban landscape while safeguarding your skin's health.

Hourly UV Index in Guanajay

As the sun rises, the UV Index starts off low, peaking at 1 between 07:00 and 08:00. However, as the day unfolds, there's a noticeable rise in solar intensity. By 09:00, it climbs to 3, reaching a moderate level of 5 by 10:00. The real surge comes at 11:00, where the UV Index hits 8, signaling stronger rays. This intensity reaches its zenith at 12:00, peaking at an intense 11. For the sun-worshippers, 13:00 and 14:00 are notable highlights, with the index maxing out at 13—the highest of the day—before gradually descending. By late afternoon, the UV levels drop back to 5 by 17:00, and as evening approaches, it dwindles to 1 by 19:00. Stay sun-safe 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	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 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 Guanajay

Throughout the year, seasonal UV changes show a significant increase in UV Index values from January to October, peaking in June with an index of 13 classified as extreme. The most high-risk months for UV exposure are from March to October, where the index consistently remains 11 or higher. Specifically, March to July features extreme levels, with burn times as short as 10 minutes during this period. Visitors and residents are strongly advised to take precautions such as wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours, especially from March to September, to mitigate the risks of harmful UV exposure. As the year progresses, both November and December see a decrease in UV levels, but caution should still be exercised with high risk in November.

Monthly Maximum UV Index for Guanajay, Cuba

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

The table above highlights how UV exposure in Guanajay 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.

Guanajay'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
Guanajay	7	10	11	12	12	13	12	12	12	11	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