UV Index in San Andres, Colombia

Last updated: June 2, 2025

Understanding the UV Index in San Andres, Colombia, is crucial for residents and visitors alike. This tropical paradise, characterized by its sunny climate, poses significant risks from UV exposure, especially during peak hours. Knowing the UV levels can play a vital role in preventing sunburn and protecting overall skin health. With mid-day readings soaring as high as 14, being aware of when to seek shade or apply sunscreen can make all the difference. Stay informed and enjoy the sun safely in beautiful San Andres!

Hourly UV Index in San Andres

The UV Index for the day displayed a striking increase as the sun climbed higher in the sky. Starting at a gentle 1 by 7:00 AM, it swiftly rose to a moderate 3 by 8:00 AM. As the clock struck 9:00 AM, the intensity shot up to a significant 7, reaching a peak of 14 at 12:00 PM—the optimal time for sun protection. The afternoon saw a gradual decline, with readings of 13 at 1:00 PM and 10 by 2:00 PM. As the sun set, the UV Index dwindled, dropping to 3 at 4:00 PM and finally retreating to a safe 0 by 7:00 PM. This data highlights the importance of midday sun safety, making it essential to reapply sunscreen and seek shade when 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	3	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	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 San Andres

Throughout the year, the UV Index consistently indicates extreme exposure levels, emphasizing the need for caution against harmful UV radiation. The high-risk months span from January to May, where UV Index values peak between 13 and 16, making sunburn a significant risk within just 10 minutes of exposure. Although the index slightly decreases during the summer months of June to August to 14, the danger remains, followed by a steady UV Index of 14 from September to October. As temperatures drop in November and December, the UV levels remain at 13 and 12, respectively, but caution should persist due to the ongoing extreme category rating. Residents and visitors are strongly advised to protect themselves with sunscreen, wearing protective clothing, and seeking shade during peak sunshine hours to minimize the risk of skin damage year-round.

Monthly Maximum UV Index for San Andres, Colombia

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

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

San Andres's solar exposure compared to other cities in Colombia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Barranquilla UVI	11	12	14	14	13	12	13	13	13	13	11	10
Cartagena UVI	11	11	13	15	13	13	12	13	13	13	11	10
San Andres	13	15	15	16	15	14	14	14	14	14	13	12
Medellin UVI	14	15	17	16	16	14	14	15	14	14	13	12
Cali UVI	15	16	17	17	15	14	14	14	15	14	13	12
Bogota UVI	15	16	18	18	17	15	15	16	15	15	14	13