UV Index in Grangwav, Haiti

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Grangwav, Haiti, where the sun's intensity can significantly impact skin health. With peak UV levels reaching a dangerous 12 around midday, awareness of these levels is essential for preventing sunburn and reducing long-term skin damage. The Aw climate zone of Grangwav, characterized by its warm temperatures and substantial sun exposure, heightens the risk of UV-related health issues. Being informed about UV Index forecasts helps you protect yourself and enjoy the beautiful days in this vibrant community safely!

Hourly UV Index in Grangwav

As the day unfolds, the UV Index climbs steadily, peaking at an intense 12 between noon and 1 PM. Starting from a mild 1 at 7 AM, the index escalates, hitting 4 by 9 AM, before reaching 10 at 11 AM. At 12 PM, the sun’s rays intensify, prompting caution as the index remains high at 12 until 1 PM. After this peak, it gradually declines, dropping to 9 by 3 PM, and then descending further to 1 by 7 PM. It's a day that reminds us to stay sun-safe during those peak hours, especially when the UV levels are at their 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	1	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	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 Grangwav

Throughout the year, the UV Index shows significant seasonal variations, with the highest values occurring from March to October. During this period, the extreme exposure category dominates, particularly in April, May, June, August, and September, where the UV Index peaks at 13 and the burn time is as brief as 10 minutes. January and February also present high risks with an index of 9 and 10, classifying as very high, while a marked decrease occurs in November and December, where the indices drop to 9 and 7, respectively. Given these alarming levels, especially during the high-risk months from March to October, it is crucial for visitors and residents to take protective measures, including wearing sunscreen, protective clothing, and seeking shade to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Grangwav, Haiti

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

The table above highlights how UV exposure in Grangwav 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.

Grangwav'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
Grangwav	9	10	12	13	13	13	12	13	12	11	9	7
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