UV Index in Tunja, Colombia

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Tunja, Colombia, where the high-altitude climate often leads to increased sun exposure. With UV levels peaking between 10:00 AM and 2:00 PM, reaching a maximum of 15 at noon, it's essential to grasp these readings to safeguard against sunburn and long-term skin health issues. Awareness of UV levels not only helps prevent immediate skin damage but also plays a critical role in reducing the risk of skin cancer. Given Tunja's Cfb climate, which presents unique exposure risks, being informed about daily UV fluctuations is key to enjoying the outdoors safely.

Hourly UV Index in Tunja

As the sun rises, the UV Index begins its ascent, peaking at 15 by 12:00 PM, signaling maximum sun exposure. The morning starts off gentle with a manageable UV Index of 2 at 7:00 AM, gradually climbing to 8 by 9:00 AM. By 10:00 AM, caution is advised as the index reaches 12, and it escalates further to a striking 14 at 11:00 AM. The afternoon is particularly intense, with 13 at 1:00 PM before it starts to taper off. As the day progresses, the UV levels decline, dropping to 6 by 3:00 PM and falling swiftly to 0 by 7:00 PM. It's a vivid reminder to protect your skin, especially during those peak 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	2	low	45 min
08:00	4	moderate	30 min
09:00	8	very high	15 min
10:00	12	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	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Tunja

The UV Index data reveals extreme exposure levels throughout the year, with only a slight fluctuation in values. High-risk months include February and March, where the UV Index peaks at 16 and 18, respectively. Despite minor monthly variations, the recommended burn time remains consistently low at just 10 minutes for all months. This indicates that residents and visitors should take precautionary measures year-round. It is essential to wear protective clothing and sunscreen, especially during midday hours, to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for Tunja, Colombia

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

The table above highlights how UV exposure in Tunja 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.

Tunja'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
Tunja	15	16	18	18	17	15	15	15	15	15	14	13
Bogota UVI	15	16	18	18	17	15	15	16	15	15	14	13