Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Rioblanco, Colombia, where the tropical climate can lead to significant exposure to harmful ultraviolet radiation. The UV levels here can reach a peak of 15 around noon, emphasizing the importance of staying informed to prevent sunburn and protect long-term skin health. Given the local climate, which falls under the Cfb zone, it's essential to be aware of the daily UV fluctuations—ranging from a low of 1 early in the morning to a high risk at midday—to effectively plan outdoor activities and safeguard your skin.
As the sun rises, the UV Index begins to climb steadily throughout the morning, starting at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 6, signaling that sun protection is becoming increasingly important. The peak occurs around 12:00 PM with a blistering 15, indicating a high risk for harm from unprotected sun exposure. The intensity begins to taper off after 1:00 PM, dropping to 11 by 2:00 PM and further down to 7 by 3:00 PM. As the day winds down, the index falls sharply, returning to a safe 1 by 5:00 PM and eventually dropping to 0 at 7:00 PM. Remember, during peak hours, safeguarding your skin is essential!
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 |
The UV Index exhibits a consistently extreme level from January to November, peaking at 18 in April and remaining above 14 throughout the year. The high-risk months for UV exposure are from March to October, with slight fluctuations; however, all months necessitate vigilance due to the notably short burn time of just 10 minutes across the board. Visitors and residents alike should adopt proactive sun protection measures, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade during peak sun hours, to mitigate the heightened risk of UV-related health effects throughout the year.
UV Risk Categories
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 |
Rioblanco | 14 | 15 | 17 | 18 | 16 | 14 | 15 | 15 | 15 | 15 | 14 | 12 |
Bogota UVI | 15 | 16 | 18 | 18 | 17 | 15 | 15 | 16 | 15 | 15 | 14 | 13 |