UV Index in Rio Grande, Dominican Republic

Last updated: June 2, 2025

In Rio Grande, Dominican Republic, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its tropical climate, Rio Grande experiences significant UV exposure, particularly during midday hours when the UV Index can reach a maximum of 12. Being aware of these levels empowers residents and visitors alike to take necessary precautions, ensuring fun in the sun while minimizing the risk of harmful skin effects. From applying sunscreen to wearing protective clothing, knowing the UV values helps everyone enjoy the beautiful outdoors safely.

Hourly UV Index in Rio Grande

The hourly UV Index today presents a dramatic journey through sunlight intensity. Starting off at 07:00, the index is a mild 1, gradually rising to 2 by 08:00. As the morning progresses, the UV rays escalate, peaking at a formidable 12 between 12:00 and 13:00, indicating the highest risk for sun exposure. Once the clock strikes 14:00, the index begins to descend, dropping to 11 and subsequently to 8 by 15:00. The late afternoon brings a cooling respite, as levels fall to 5 at 16:00, before retreating to a soft 1 by the evening hours 18:00 to 19:00. It's a classic reminder of how the sun's impact can shift throughout the day, urging us to stay protected during 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	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	12	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 Rio Grande

Throughout the year, the UV Index shows significant seasonal variation, with the highest levels occurring from February to September. The most critical months for UV exposure are February, March, April, May, July, and August, where the UV Index consistently reaches extreme levels (above 11) with a burn time as short as 10 minutes. Visitors and residents should take precautions during these high-risk months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently. As the year progresses into the later months, while the UV Index decreases slightly, it is still advisable to remain vigilant, especially in November and December when the UV levels are at very high (9) and high (8), respectively, as 15-minute burn times can still pose a risk.

Monthly Maximum UV Index for Rio Grande, Dominican Republic

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

The table above highlights how UV exposure in Rio Grande 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.

Rio Grande'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
Rio Grande	9	11	13	13	13	12	13	13	12	11	9	8
Santiago de los Caballeros UVI	9	11	13	13	13	12	13	13	12	11	9	8
Santo Domingo Oeste UVI	9	11	13	13	13	12	13	13	13	11	9	8
Santo Domingo 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