UV Index in Rionegro, Colombia

Last updated: June 2, 2025

In Rionegro, Colombia, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. With its temperate climate characterized by a Cfb classification, Rionegro experiences varying UV levels throughout the day, peaking between 11:00 AM and 1:00 PM at an intense 14. Understanding these UV levels can help residents and visitors alike take essential precautions to protect their skin from harmful solar radiation. As outdoor activities abound in this vibrant city, staying informed about the UV Index ensures that everyone can enjoy the sun safely while minimizing the risk of long-term skin damage.

Hourly UV Index in Rionegro

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 Rionegro

The UV Index in our region fluctuates slightly throughout the year, with the highest readings occurring from February to April, peaking at 16 in March. During these months, the risk for sunburn is classified as extreme, with a minimal burn time of just 10 minutes. Visitors and residents should be particularly cautious from February to April, as these are the high-risk months for UV exposure. It's essential to apply broad-spectrum sunscreen, wear protective clothing, and seek shade whenever possible to mitigate risks throughout the year, especially since UV levels remain high even in the later months with readings of 15 in August and 14 through October. Prioritize sun safety to enjoy outdoor activities without compromising your health.

Monthly Maximum UV Index for Rionegro, Colombia

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

The table above highlights how UV exposure in Rionegro 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.

Rionegro'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
Rionegro	14	15	16	17	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