UV Index in Castle Bruce, Dominica

Last updated: May 3, 2025

Understanding the UV Index in Castle Bruce, Dominica is crucial for protecting your skin and maintaining overall health. With peak UV levels reaching as high as 14 during midday hours, awareness of the UV Index can significantly help in preventing sunburns and long-term skin damage. Castle Bruce's tropical climate offers beautiful sunny days, but it also brings elevated risks of UV exposure, particularly between 10 AM and 2 PM. Being informed about these UV levels allows residents and visitors alike to enjoy the outdoors safely while safeguarding their skin from harmful rays.

Hourly UV Index in Castle Bruce

As the sun rises, the UV Index starts at a mild 1 at 7:00 AM, gradually climbing to a moderate 3 by 8:00 AM. However, by 9:00 AM, it begins to escalate significantly, peaking at a striking 14 between 12:00 PM and 1:00 PM. This period marks the highest risk, urging caution under the midday sun. As the afternoon unfolds, the index steadily declines, dropping to 10 at 2:00 PM, and further down to 6 by 3:00 PM. As the day winds down, the UV levels decrease to a mere 0 by 7:00 PM, highlighting the importance of sun safety during the day's peak hours. Stay protected!

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	3	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Castle Bruce

The UV Index shows significant seasonal variations, with the most intense exposure occurring from February through October, where the index reaches levels categorized as extreme. During these months, particularly in March, April, May, July, and August, the UV Index peaks at 13 to 14, indicating a very short burn time of just 10 minutes. January, November, and December feature lower UV levels, classified as very high, with slightly longer burn times of 15 minutes. Visitors and residents should exercise caution during the high-risk months by seeking shade, wearing protective clothing, and applying sunscreen frequently to mitigate the risk of UV-related harm.

Monthly Maximum UV Index for Castle Bruce, Dominica

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

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

Castle Bruce's solar exposure compared to other cities in Dominica. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Castle Bruce	10	11	13	14	14	13	14	13	13	12	10	9
Marigot UVI	10	11	13	14	14	13	14	13	13	12	10	9
Portsmouth UVI	10	11	13	14	14	13	14	13	13	12	10	9
Mahaut UVI	10	11	13	14	14	13	14	13	13	12	10	9
Roseau UVI	10	11	13	14	14	13	14	13	13	12	10	9
Berekua UVI	10	11	13	14	14	13	14	13	13	12	10	9