UV Index in San Mateo, Colombia

Last updated: June 2, 2025

Staying informed about the UV Index in San Mateo, Colombia is crucial for maintaining healthy skin and preventing painful sunburns. This picturesque location, characterized by its Cfb climate, experiences varying UV levels throughout the day that can pose significant risks, especially during peak hours. Understanding these levels can empower residents and visitors alike to take necessary precautions to protect themselves from harmful ultraviolet rays. With UV levels soaring to a maximum of 16 around noon, awareness becomes essential to enjoy the beautiful San Mateo scenery while safeguarding your skin's health.

Hourly UV Index in San Mateo

As the day unfolds, the UV Index reaches its peak around 12:00 PM, surging to a robust 16 before gradually tapering off by late afternoon. Starting from a modest 2 at 7:00 AM, the index quickly climbs, hitting 5 by 8:00 AM and escalating to a striking 15 by 11:00 AM. The intensity of UV radiation begins to decline after 1:00 PM, where it sits at 14, then slides down to 10 at 2:00 PM, and continues to drop to 6 by 3:00 PM. As evening approaches, UV exposure diminishes significantly, with the index falling to 1 at 5:00 PM, reaching near zero by 7:00 PM. This dynamic UV cycle emphasizes the importance of sun protection during midday hours when UV intensity is at its 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	2	low	45 min
08:00	5	moderate	30 min
09:00	8	very high	15 min
10:00	12	extreme	10 min
11:00	15	extreme	10 min
12:00	16	extreme	10 min
13:00	14	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	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Mateo

Throughout the year, UV Index levels remain extremely high, particularly from January to May when values peak at 19 in April. The high-risk months for UV exposure are March to May, with March (UV 18) and April (UV 19) representing the highest levels, resulting in a burn time of just 10 minutes. Even in the summer months, the UV Index stays consistent at 16, reinforcing the need for caution. Visitors and residents should ensure they are taking protective measures during these months, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade, especially when outdoors for extended periods. Stay vigilant even as UV levels decrease in the fall and winter months, as the index is still classified as extreme throughout the year.

Monthly Maximum UV Index for San Mateo, Colombia

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

The table above highlights how UV exposure in San Mateo 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 Mateo'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
Bogota UVI	15	16	18	18	17	15	15	16	15	15	14	13
San Mateo	15	17	18	19	17	16	16	16	16	15	14	13