Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Corredor, Costa Rica, where the sun shines brightly throughout the year. With peak UV levels frequently reaching as high as 14 around midday, awareness of these levels can play a pivotal role in sunburn prevention and maintaining overall skin health. In this tropical climate, exposure risks are notably elevated, particularly during the morning and early afternoon hours. By staying informed about the UV Index, you can enjoy the beauty of Corredor while effectively protecting yourself from harmful ultraviolet rays.
The UV Index throughout the day exhibits a striking pattern, peaking dramatically at 14 around 11:00 and 12:00. Starting from a modest 2 at 07:00, the intensity quickly escalates, reaching 8 by 09:00 and hitting the extreme level of 11 at 10:00. As the sun reaches its zenith, it maintains a high UV index of 14 until 13:00. Afterward, the intensity begins to wane, dropping to 8 by 14:00. By the late afternoon, the numbers decline further, resting at 5 by 15:00 before falling to 0 by 18:00. For sun-seekers, it’s clear that the midday hours are critical for sun protection.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 5 | moderate | 30 min |
09:00 | 8 | very high | 15 min |
10:00 | 11 | extreme | 10 min |
11:00 | 14 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index in this region remains predominantly extreme, with values peaking between January and April. The highest UV Index of 15 is recorded in April, signaling that these months are critical for sun protection. Specifically, the months of February, March, April, and May are considered high-risk for excessive UV exposure, where unprotected skin can burn in as little as 10 minutes. Even in the latter part of the year, while the index decreases slightly, it remains at high levels, particularly in June through October. Visitors and residents should take precautions by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during these high-risk months, to minimize the adverse effects of UV radiation. Always be mindful of the burn time, and consider scheduling outdoor activities outside peak sun hours.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Limon UVI | 12 | 13 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 11 | 10 |
Liberia UVI | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 11 | 10 |
Alajuela UVI | 12 | 13 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 12 | 10 |
Corredor | 12 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 10 |
San Jose UVI | 12 | 14 | 15 | 16 | 14 | 14 | 14 | 14 | 14 | 15 | 12 | 11 |
Paraiso UVI | 13 | 14 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 12 | 11 |