UV Index in Guaranda, Colombia

Last updated: May 3, 2025

In Guaranda, Colombia, staying informed about the UV Index is vital for protecting your skin from harmful solar radiation. Understanding UV levels is essential not only for preventing painful sunburns but also for promoting long-term skin health—especially given the city’s high-altitude climate, which can intensify UV exposure. As the sun reaches its peak between 10 AM and 2 PM, the UV Index can soar to dangerous levels, peaking at 14 around noon, making it crucial for residents and visitors alike to take appropriate sun safety measures. Stay aware, stay protected!

Hourly UV Index in Guaranda

At 07:00, the UV Index starts modestly at 1, but as the sun rises higher, it dramatically escalates. By 09:00, it reaches 7, indicating a notable increase in ultraviolet exposure. The peak occurs at 11:00 and 12:00, where the index hits a striking 14, suggesting the need for serious sun protection. As the afternoon unfolds, levels gradually decline: dipping to 10 by 14:00 and further down to 6 by 15:00. The late afternoon and evening see a gentle drop-off, with the index returning to 1 by 17:00, and then settling at 0 by 19:00. Overall, it's a day to stay vigilant under the sun from mid-morning to early afternoon!

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	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	14	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 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