UV Index in San Antonio, Colombia

Last updated: June 2, 2025

In San Antonio, Colombia, understanding the UV Index is crucial for protecting your skin from harmful effects of sun exposure. The UV levels here can soar as high as 15 around noon, making it essential to be mindful of sun safety to prevent sunburn and long-term skin damage. With its tropical climate typically bringing bright, sunny days, residents and visitors alike should stay alert to UV risks, especially during peak hours. By keeping an eye on the UV Index, you can enjoy the outdoors while minimizing the risk to your skin health.

Hourly UV Index in San Antonio

The UV Index paints a vivid picture of sun intensity throughout the day: starting off gently at 07:00 with a modest 1, it quickly escalates as the sun rises. By 09:00, it spikes to 7, signaling a stronger need for sun protection. The peak arrives at 12:00, reaching a formidable 15, as many seek shade or cover. As afternoon rolls in, the index gradually declines, dipping to 6 by 15:00 and tapering off to 1 by 17:00. By nightfall at 19:00, the UV risk is nearly nonexistent, resting at 0. This pattern highlights the sun's potent midday strength, warranting caution and preparation during the hottest 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	7	high	25 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	15	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 Antonio

The UV Index exhibits consistently high levels throughout the year, remaining in the extreme category with values ranging from 13 to 18, which indicates a significant risk of harm from unprotected sun exposure. The highest months are March and April, both with a UV Index of 18, suggesting that residents and visitors should exercise extra caution during this period. Even in the winter months, like January to March, the burn time is a mere 10 minutes, emphasizing the need for protective measures year-round. It is advisable to use broad-spectrum sunscreen, wear protective clothing, and seek shade, especially during the hours when the sun is strongest. Prioritize skin safety to enjoy the outdoors while minimizing UV exposure risks.

Monthly Maximum UV Index for San Antonio, Colombia

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

The table above highlights how UV exposure in San Antonio 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 Antonio'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 Antonio	15	16	18	18	16	15	15	15	15	16	14	13
Bogota UVI	15	16	18	18	17	15	15	16	15	15	14	13