UV Index in San Andres, Colombia

Last updated: May 3, 2025

In San Andres, Colombia, being aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels is essential for preventing sunburn and maintaining overall skin health, especially in a tropical climate known for its intense sun. With UV Index values peaking at a dangerous 16 around midday, residents and visitors alike must remain vigilant about sun safety. Throughout the day, particularly between 10 AM and 2 PM, the risk of overexposure rises significantly, making it imperative to stay informed and take action to shield yourself from the sun’s harmful rays.

Hourly UV Index in San Andres

The UV Index throughout the day showcases a dynamic fluctuation in sun intensity. Starting with a gentle 2 at 07:00, it quickly gains momentum, reaching a notable 5 by 08:00. As the sun climbs higher, the index peaks at a striking 16 from 11:00 to 12:00, marking the most intense exposure of the day. Following this zenith, the index gradually declines, dipping to 6 at 15:00, and subsequently dwindling to a mere 0 by 18:00, heralding the day's end. This data serves as a reminder to stay vigilant with sun protection during the high-risk hours around midday!

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	2	low	45 min
08:00	5	moderate	30 min
09:00	9	very high	15 min
10:00	13	extreme	10 min
11:00	16	extreme	10 min
12:00	16	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Andres

The UV Index in this region shows extreme levels throughout the year, peaking at 18 in both March and April. From January to May, the UV Index remains high, fluctuating from 14 to 18, with no month falling below 13. Despite slight declines in the summer months, June to October maintains a consistent UV Index of 15. Notably, February and March are the highest-risk months, where visitors and residents should be extra cautious. It is crucial for everyone to take protective measures such as wearing sunscreen, protective clothing, and seeking shade to minimize risks of sunburn and long-term skin damage, particularly during these high UV months.

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
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
San Andres	14	16	18	18	16	15	15	15	15	15	13	13
Bogota UVI	15	16	18	18	17	15	15	16	15	15	14	13