UV Index in Hillsborough, Grenada

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Hillsborough, Grenada, where sun exposure can be intense, especially during midday hours. With typical UV levels peaking at 14 around noon, being aware of these fluctuations is essential for preventing sunburn and promoting skin health. The region's tropical climate encourages outdoor activities, but it also brings significant risks of UV radiation that can lead to skin damage over time. By keeping an eye on the UV Index, you can enjoy the beautiful sunny days in Hillsborough while protecting yourself from harmful effects.

Hourly UV Index in Hillsborough

As the day unfolds, the UV Index paints a vivid picture of solar intensity. Starting off gently at 1 at 07:00, the sun quickly ramps up its energy, reaching 3 by 08:00. But it’s by 10:00 that the real power emerges, peaking at a striking 10. The intensity continues to soar, hitting its apex at 12:00 with a blistering 14. As the afternoon heats up, it gradually declines, descending to 12 by 13:00, then down to 10 at 14:00. By late afternoon, the sun’s grip loosens, dropping to 6 at 15:00, before retreating to a gentle 3 by 16:00. Finally, as the sun sets, the UV Index diminishes to 1 at 17:00 and fades to 0 by 19:00, signaling the end of another bright day. Remember to protect your skin during those peak 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	3	moderate	30 min
09:00	6	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 Hillsborough

The UV Index demonstrates significant seasonal variations, with the highest readings occurring from February to September, reaching a peak of 14 during March, April, May, August, and September, indicating an extreme exposure category. Notably, the months of February, March, April, May, August, and September are particularly high-risk for skin damage due to their consistent extreme UV levels, where a burn time of just 10 minutes is advised for unprotected skin. As you plan your outdoor activities, it is crucial to prioritize sun safety by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during these peak months. Remember: your skin's health is a priority, so take precautionary measures to enjoy the sun safely!

Monthly Maximum UV Index for Hillsborough, Grenada

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

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

Hillsborough's solar exposure compared to other cities in Grenada. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hillsborough	11	12	14	14	14	13	13	14	14	13	11	10
Victoria UVI	11	12	14	14	14	13	13	14	14	13	11	10
Gouyave UVI	11	12	14	14	14	13	13	14	14	13	11	10
Saint David's UVI	11	12	14	14	14	13	13	14	14	13	11	10
Grenville UVI	11	12	14	14	14	13	13	14	14	13	11	10
Saint George's UVI	11	12	14	14	14	13	13	14	14	13	11	10