UV Index in Saint George's, Grenada

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Saint George's, Grenada, where the tropical climate leads to high UV exposure levels. Being aware of the UV Index helps in protecting yourself against the harmful effects of the sun, such as sunburn and long-term skin health issues. Throughout the day, especially during peak hours from 10 AM to 2 PM, the UV Index can soar to 13, indicating very high risk. By staying informed about these levels, you can take necessary precautions to enjoy the beautiful Caribbean sun while safeguarding your skin.

Hourly UV Index in Saint George's

As the sun rises, the UV Index begins to climb, starting at a low 1 at 7:00 AM. By 9:00 AM, it reaches 6, signaling that it's time to pay attention to sun safety. The peak intensity arrives at 12:00 PM, with a high of 13, indicating potentially harmful radiation. This resplendent midday sun shines brightly until about 2:00 PM, when the index decreases to 10. As the afternoon progresses, the UVI drops to 6 by 3:00 PM, eventually tapering off to a mild 1 by 5:00 PM and lingering at 0 after 7:00 PM. Be sure to protect your skin during the hours of peak exposure!

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	12	extreme	10 min
12:00	13	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 Saint George's

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 Saint George's, Grenada

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

The table above highlights how UV exposure in Saint George's 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.

Saint George's'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
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 George's	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