UV Index in Cristobal, Dominican Republic

Last updated: July 2, 2025

Understanding the UV Index in Cristobal, Dominican Republic, is crucial for protecting your skin and overall health. With its tropical climate, residents and visitors alike face fluctuating UV levels that can quickly escalate, especially during peak sunlight hours. By being aware of the UV Index, you can take essential precautions against sunburn and long-term skin damage. Notably, during the sun’s zenith, from around 10 AM to 2 PM, the UV Index can reach incredibly high levels—peaking at 12—making it vital to monitor and protect yourself against harmful exposure. Stay informed to enjoy the beautiful Dominican sunshine safely!

Hourly UV Index in Cristobal

At dawn, the UV Index starts off gently, peaking at just 1 by 7:00 AM. As the sun climbs higher, its intensity increases rapidly, reaching 4 by 9:00 AM and striking 10 by 11:00 AM—a clear warning to seek shade or slather on sunscreen. The highest reading of 12 occurs at both noon and 1:00 PM, indicating peak solar intensity. Fortunately, as afternoon approaches, the index begins to wane, dropping to 8 by 3:00 PM and further declining to below 5 by 4:00 PM. By the time 7:00 PM rolls around, the UV danger has diminished significantly, settling back to a safe 1. Stay protected during those intense midday 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	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Cristobal

The UV Index experiences significant fluctuations throughout the year, with the highest levels observed from February to August, where it consistently reaches extreme levels of 11 to 13. March, April, May, June, and August mark the highest-risk months, with 10 minutes being the maximum safe exposure time before burning occurs. January, November, and December represent months of very high UV exposure, with slightly longer burn times of 15 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months by wearing sunscreen, protective clothing, and seeking shade when possible, especially during peak sun hours.

Monthly Maximum UV Index for Cristobal, Dominican Republic

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

The table above highlights how UV exposure in Cristobal 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.

Cristobal'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
Cristobal	9	11	12	13	13	13	12	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