UV Index in Rosas, Colombia

Last updated: August 1, 2025

In Rosas, Colombia, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps you prevent painful sunburns but also plays a vital role in reducing the long-term risks associated with skin damage, such as cancer. With a Cfb climate typical of this region, Rosas experiences varying UV exposure throughout the day, peaking at an intense index of 14 around midday. As the sun’s rays can be particularly strong, especially between 10 AM and 2 PM, staying informed about the UV Index can empower you to enjoy the outdoors safely while protecting your skin from harmful effects.

Hourly UV Index in Rosas

The UV Index starts off relatively low at 1 around 7:00 AM, but as the sun climbs, it rapidly intensifies. By 9:00 AM, it reaches a moderate 6, escalating to a peak of 14 at noon, marking the hottest point of the day. Midday, particularly between 11:00 AM and 1:00 PM, sees the highest UV exposure, with values consistently at 13 and 14—a clear reminder to seek shade or apply sunscreen. As the afternoon wanes, the index steadily declines, dropping to 3 by 4:00 PM and tapering off to 1 by 6:00 PM, before reaching 0 at 7:00 PM. Planning outdoor activities? Aim for the early morning or late afternoon to stay safe from excessive UV rays!

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	14	extreme	10 min
12:00	15	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	7	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 Rosas

The UV Index exhibits high levels of intensity throughout the year, with particularly critical months from March to May, when it peaks at 18. This places them firmly in the extreme exposure category, indicating a burn time of just 10 minutes. January and February, while also rated at 16, maintain the same risk level, as do June to November, which hover around 14 to 15. As a result, visitors and residents are strongly advised to take precautions year-round, keeping in mind the consistent high UV levels. It's essential to wear sunscreen, protective clothing, and seek shade, especially during peak sun hours, to minimize skin damage and ensure safety in the sun.

Monthly Maximum UV Index for Rosas, Colombia

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

The table above highlights how UV exposure in Rosas 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.

Rosas'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
Rosas	16	16	18	18	16	14	14	15	15	15	14	12
Bogota UVI	15	16	18	18	17	15	15	16	15	15	14	13