UV Index in Basseterre, Saint Kitts and Nevis

Last updated: June 2, 2025

Understanding the UV Index in Basseterre, Saint Kitts and Nevis is crucial for protecting your skin from harmful ultraviolet radiation. With the tropical climate of Basseterre, where sunlight is abundant and UV levels can soar, being aware of these indices helps in preventing sunburn and maintaining overall skin health. During the peak hours, especially around noon when the UV Index can reach a staggering 13, it's essential to take precautions such as wearing sunscreen and protective clothing. Stay informed and enjoy the beautiful sunshine safely in this vibrant Caribbean paradise!

Hourly UV Index in Basseterre

At sunrise, the UV Index begins its ascent at 1 by 07:00, indicating minimal risk for sun exposure. As the day progresses, it climbs steadily, reaching 3 by 08:00 and escalating dramatically to 6 by 09:00. The sun's intensity peaks at 13 by noon and maintains a high of 12 until 13:00, signaling a significant risk of harm from unprotected sun exposure. After this peak, the index gradually tapers off, dropping to 9 by 14:00, then back to 6 by 15:00. As the afternoon fades into evening, the UV Index declines to 3 at 16:00, 2 at 17:00, and ultimately settles at 1 by 18:00 before disappearing altogether by 19:00. It's crucial to stay protected during the peak hours, especially between 10:00 and 14:00 when the index is at its 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Basseterre

As the seasons change, the UV Index exhibits notable fluctuations, with high-risk months typically from February to October, where values reach extreme levels of 11 to 14. In these months, the burn time is as brief as 10 minutes, necessitating increased caution. In January, November, and December, while the UV Index remains at a very high level of 9, individuals still face a burn time of 15 minutes, indicating a need for protection. To ensure safety, both visitors and residents should prioritize wearing sunscreen, protective clothing, and seeking shade regularly during these peak months, especially from midday to mid-afternoon when the sun's intensity is highest.

Monthly Maximum UV Index for Basseterre, Saint Kitts and Nevis

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Basseterre. 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 Basseterre, 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 Basseterre UV Index with Other Saint Kitts and Nevis Cities

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

Basseterre's solar exposure compared to other cities in Saint Kitts and Nevis. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Saint Paul's UVI	9	11	13	13	13	13	13	13	14	12	9	9
Basseterre	9	11	13	13	13	13	13	13	14	12	9	9
Middle Island UVI	9	11	13	13	13	13	13	13	14	12	9	9
Market Shop UVI	9	11	13	13	13	13	13	13	13	12	9	9
Fig Tree UVI	9	11	13	13	13	13	13	13	13	12	9	9