Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Limon, Costa Rica, where the tropical climate amplifies the risk of sun exposure. With UV levels peaking at 13 during midday, awareness of these values is essential for effective sunburn prevention and maintaining overall skin health. The unique weather patterns in Limon, characterized by consistent warmth and humidity, require vigilance against the harmful effects of UV radiation. By regularly checking the UV Index, you can better enjoy the beautiful outdoors while safeguarding your skin.
As the sun rises, the UV Index starts off low at 2 by 07:00, but it quickly climbs. By 08:00, it reaches 5, and by 09:00, it soars to 8, signaling a strong start to the day. The peak occurs at 11:00 and 12:00, with a striking 13, indicating a high risk of harm from unprotected sun exposure. Fortunately, as the afternoon slips into evening, we see the index decline; at 15:00, it drops to 4, and by 19:00, it comfortably settles at 0. Remember to enjoy those midday rays while taking necessary precautions to protect your skin!
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 | 12 | extreme | 10 min |
11:00 | 13 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 4 | 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 |
The UV Index shows an extreme risk of sun exposure throughout the first half of the year, peaking in March and April at 14 and 15, respectively, where the burn time is a mere 10 minutes. February through May remain high-risk months, with consistently extreme exposure levels. As summer transitions into fall, the UV Index gradually decreases but remains extremely high from June to October (with values around 13). November sees a slight reduction to 11, labeled as extreme, while December drops to 10, classified as very high with a longer burn time of 15 minutes. Residents and visitors should be vigilant about sun safety during these months, employing sunscreen, wearing protective clothing, and seeking shade, especially during peak hours, to mitigate skin damage risks.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Limon | 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 |
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 |