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UV Index in Naranjo, Costa Rica

Last updated: June 2, 2025

In the picturesque town of Naranjo, Costa Rica, awareness of the UV Index is crucial for safeguarding your skin and health. With the region's tropical climate, the sun’s rays can become intensely powerful, peaking with a staggering UV Index of 14 around midday. Understanding these levels not only helps prevent painful sunburns but also plays a vital role in reducing long-term skin damage. As residents and visitors enjoy the beauty of Naranjo, staying informed about UV exposure risks ensures that outdoor activities remain both enjoyable and safe. Whether you're hiking through lush landscapes or relaxing in the sun, keeping an eye on the UV Index is your best defense against harmful ultraviolet radiation.

Hourly UV Index in Naranjo

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 Naranjo

Throughout the year, the UV Index reflects consistently high levels of ultraviolet radiation, particularly from January to October where the index remains in the extreme category, peaking at 15 in both March and April. This means that residents and visitors should be particularly vigilant during these high-risk months, as the burn time for unprotected skin is only 10 minutes across most of this period. As the year progresses, November and December experience slightly lower UV levels, but caution is still advised, especially as November has a UV Index of 12 (extreme) and burn time of 10 minutes, while December dips to 10 (very high) with a longer burn time of 15 minutes. It is essential for everyone to take protective measures, including wearing sunscreen, hats, and protective clothing, regardless of the season, to minimize the risk of skin damage.

Monthly Maximum UV Index for Naranjo, Costa Rica

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Naranjo. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141313141210
Data source: Statistical UV Index data for Naranjo, 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 Naranjo UV Index with Other Costa Rica Cities

The table above highlights how UV exposure in Naranjo 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.
Naranjo's solar exposure compared to other cities in Costa Rica. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Limon UVI121314151413131313141110
Liberia UVI111314141414141313131110
Naranjo121315151414141313141210
Alajuela UVI121315151414141313141210
San Jose UVI121415161414141414151211
Paraiso UVI131416161515151414151211