UV Index in Mercedes, Costa Rica

Last updated: June 2, 2025

In Mercedes, Costa Rica, being aware of the UV Index is essential for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and long-term skin damage, making it crucial for anyone enjoying the sun-drenched days in this vibrant region. With a tropical climate characterized by high UV exposure, particularly during the midday hours when the index peaks at a staggering 14, residents and visitors must take precautions to shield themselves from harmful rays. Stay informed about the UV Index to ensure your time under the Costa Rican sun is both enjoyable and safe!

Hourly UV Index in Mercedes

At dawn, the UV Index begins at a gentle 2 at 7:00 AM, gradually climbing to a peak of 14 by 11:00 AM and 12:00 PM. This midday intensity signals a crucial time for sun safety, as the index emphasizes the need for protection against harmful rays. As the afternoon progresses, the UV levels decrease, dropping to 5 by 3:00 PM and falling further to 1 by 5:00 PM. By 6:00 PM, the index gracefully settles at 0, marking the end of a sun-soaked day. Stay mindful of these UV changes to enjoy the sun safely!

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.
TimeUVICategoryTime to Burn
07:002low45 min
08:005moderate30 min
09:009very high15 min
10:0012extreme10 min
11:0014extreme10 min
12:0014extreme10 min
13:0012extreme10 min
14:008very high15 min
15:005moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Mercedes

The UV Index experiences extremely high levels throughout most of the year, peaking at 15 from March to May. Residents and visitors should take extra caution during these high-risk months, particularly from January through April when the UV Index remains consistently above 12. Even in the summer months of June to September, the UV Index remains at 14, indicating a persistent risk for skin damage. It is advisable to protect your skin by wearing sunscreen, protective clothing, and seeking shade whenever possible, especially during peak sun hours. Remember that even on cloudy days, UV rays can still pose a risk, so stay vigilant year-round.

Monthly Maximum UV Index for Mercedes, Costa Rica

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Mercedes. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec121415151514141414141211
Data source: Statistical UV Index data for Mercedes, 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 Mercedes UV Index with Other Costa Rica Cities

The table above highlights how UV exposure in Mercedes compares to other major locations across Costa Rica. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Mercedes's solar exposure compared to other cities in Costa Rica. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Limon UVI121314151413131313141110
Liberia UVI111314141414141313131110
Alajuela UVI121315151414141313141210
Mercedes121415151514141414141211
San Jose UVI121415161414141414151211
Paraiso UVI131416161515151414151211