UV Index in Saint-Marc, Haiti

Last updated: June 2, 2025

Understanding the UV Index in Saint-Marc, Haiti, is crucial for safeguarding your skin and overall health. With the sun often blazing in this tropical climate, being aware of daily UV levels helps prevent sunburn and reduces long-term skin damage. During peak hours, especially between 10 AM and 2 PM, UV exposure can reach dangerous levels, with indices soaring to 12—a stark reminder of the importance of protection when enjoying the outdoors. By keeping an eye on the UV Index, residents and visitors can enjoy the beautiful weather while prioritizing their skin health and well-being.

Hourly UV Index in Saint-Marc

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 Saint-Marc

During the year, UV exposure levels fluctuate significantly, with the highest risk months being February through October. Notably, the UV Index peaks in March, April, and May, each reaching a critical 13, categorized as extreme, where unprotected skin can burn in just 10 minutes. Visitors and residents should remain vigilant during these months, employing protective measures such as wearing sunscreen, hats, and UV-blocking sunglasses. January, November, and December see lower, yet still concerning UV levels at 9 and 8, categorized as very high, with burn times of 15 minutes. It is advisable for everyone to consistently monitor UV Index levels throughout the year and adjust outdoor activities accordingly, especially during these high-risk periods.

Monthly Maximum UV Index for Saint-Marc, Haiti

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Marc. 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 Saint-Marc, 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 Saint-Marc UV Index with Other Haiti Cities

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

Saint-Marc's solar exposure compared to other cities in Haiti. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Saint-Marc	9	11	13	13	13	12	12	12	12	11	9	8
Port-de-Paix UVI	9	11	12	13	13	12	13	13	12	11	9	8
Croix-des-Bouquets UVI	8	10	12	13	13	13	12	13	12	11	9	8
Petionville UVI	8	10	12	13	13	13	12	13	12	11	9	8
Delmas 73 UVI	8	10	12	13	13	13	12	13	12	11	9	8
Port-au-Prince UVI	8	10	12	13	13	13	12	13	12	11	9	8