UV Index in Guaranda, Colombia

Last updated: August 1, 2025

In Guaranda, Colombia, understanding the UV Index is crucial for protecting your skin and overall health. With its high-altitude climate and ample sun exposure, Guaranda experiences peak UV levels that can lead to sunburn and long-term skin damage. Knowing the UV index helps residents and visitors alike to take necessary precautions during the hottest parts of the day, especially between 11 AM and 1 PM, when UV levels soar to a intensity of 13, indicating a significant risk of harm from unprotected sun exposure. Stay informed and enjoy the sunshine safely!

Hourly UV Index in Guaranda

As the day unfolds, the UV Index rises dramatically, peaking at 13 around 12:00 PM, signaling a maximum level of sun intensity. Early morning hours start off mild, with a low of 1 at 07:00 and climbing steadily to 6 by 09:00. The sun reaches its zenith at 11:00, with a value of 12, before gradually declining through the afternoon. By 15:00, the index drops to 6, further falling to 3 by 16:00 and finally returning to a safe 1 by 17:00. As twilight approaches, the index settles to 0 after 19:00, providing a serene close to the day. Remember to protect your skin during the peak hours from 10 AM to 2 PM, when the sun's rays are most potent!

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	6	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 Guaranda

The UV Index data clearly shows that from January to April, the region experiences consistently high levels of ultraviolet radiation, with an extreme exposure category and a burn time of just 10 minutes. March and April peak at UV Index 14 and 15, making these months particularly high-risk for sunburn and related skin damage. As we transition into May through October, the UV Index remains high, but slightly decreases to 13-14. Notably, November follows suit with a UV Index of 12, still considered extreme, while December sees a reduction to a very high level of 10 with a 15-minute burn time. Given this data, it is crucial for both visitors and residents to take precautions during these high-risk months, such as wearing protective clothing, applying sunscreen regularly, and seeking shade to minimize UV exposure.

Monthly Maximum UV Index for Guaranda, Colombia

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

The table above highlights how UV exposure in Guaranda 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.

Guaranda'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
Guaranda	11	13	14	15	14	13	13	13	13	13	12	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