UV Index in Santo Domingo, Dominican Republic

Last updated: May 3, 2025

Understanding the UV Index in Santo Domingo, Dominican Republic is crucial for safeguarding your skin and overall health under the tropical sun. With peak UV levels often reaching as high as 13, awareness of these daily fluctuations can help you prevent painful sunburns and long-term skin damage. Santo Domingo’s tropical climate means that UV exposure risks are higher, particularly during midday hours when the sun's rays are the strongest. By staying informed about daily UV levels, you can enjoy the beautiful outdoors while taking the necessary precautions to protect your skin and enjoy vibrant, healthy living.

Hourly UV Index in Santo Domingo

The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the midday hours when UV exposure is at its highest.

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

Monthly UV Index Trends in Santo Domingo

Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest levels occurring from February to September. During these months, the UV Index reaches extreme levels of 11 to 13, resulting in a critical burn time of just 10 minutes—indicating a heightened risk for sunburn and skin damage. January, November, and December still present very high UV levels (9 and 8), but with a slightly longer burn time of 15 minutes. Visitors and residents are advised to take precautionary measures during high UV months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to minimize the risk of harmful exposure. Stay vigilant and prioritize skin safety year-round!

Monthly Maximum UV Index for Santo Domingo, Dominican Republic

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santo Domingo. 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 Santo Domingo, 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 Santo Domingo UV Index with Other Dominican Republic Cities

The table above highlights how UV exposure in Santo Domingo compares to other major locations across Dominican Republic. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Santo Domingo's solar exposure compared to other cities in Dominican Republic. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Santiago de los Caballeros UVI	9	11	13	13	13	12	13	13	12	11	9	8
Santo Domingo	9	11	13	13	13	12	13	13	13	11	9	8
Santo Domingo Oeste UVI	9	11	13	13	13	12	13	13	13	11	9	8
Santo Domingo Este UVI	9	11	13	13	13	12	13	13	13	11	9	8
San Pedro de Macoris UVI	9	11	13	13	13	12	13	13	13	11	9	8