UV Index in Canas, Costa Rica

Last updated: June 2, 2025

Understanding the UV Index in Canas, Costa Rica, is vital for everyone who enjoys the sun-drenched days of this beautiful region. With a tropical climate characterized by high temperatures and abundant sunshine, knowing the UV levels each day is crucial for preventing sunburn and promoting overall skin health. During peak hours, UV exposure can be intense, reaching levels as high as 14 between noon and 1 PM. By staying informed about the UV Index, residents and visitors alike can protect themselves from harmful effects and make the most of outdoor activities while enjoying the stunning landscape of Canas.

Hourly UV Index in Canas

As the sun rises, the UV Index begins its ascent, starting at a mild 2 by 7:00 AM. By 8:00 AM, it climbs to 5, preparing for a significant increase. The peak of the day arrives between 11:00 AM and 12:00 PM, reaching a sizzling 13 and then an intense 14—a reminder of the midday sun's power. As the afternoon progresses, the index starts to slide, dropping to 12 at 1:00 PM and gently descending to 9 by 2:00 PM. By late afternoon, at 3:00 PM, it falls to 5, then tapers off further to 2 by 4:00 PM and sinks to 1 by 5:00 PM. Finally, as the sun sets, the UV Index dwindles to 0 after 6:00 PM, marking the end of another day under the sun. Stay protected during the peak hours!

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
09:008very high15 min
10:0011extreme10 min
11:0013extreme10 min
12:0014extreme10 min
13:0012extreme10 min
14:009very high15 min
15:005moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Canas

The UV Index data reveals significant seasonal variations in ultraviolet radiation exposure, with the highest risk occurring from March through August, when the UV Index consistently reaches 14, categorized as extreme with a burn time of just 10 minutes. February sees a peak UV Index of 13, while September through November gradually taper to 11 and 10 respectively, though still in the extreme and very high categories. Visitors and residents should take precautionary measures during these high-risk months, including applying sunscreen, wearing protective clothing, and seeking shade to minimize the risk of skin damage. Even in the months of reduced intensity, such as December, vigilance is advised to protect against prolonged sun exposure.

Monthly Maximum UV Index for Canas, Costa Rica

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Canas. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec121314141414141313131110
Data source: Statistical UV Index data for Canas, 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 Canas UV Index with Other Costa Rica Cities

The table above highlights how UV exposure in Canas 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.
Canas's solar exposure compared to other cities in Costa Rica. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Limon UVI121314151413131313141110
Liberia UVI111314141414141313131110
Canas111314141414141313131110
Alajuela UVI121315151414141313141210
San Jose UVI121415161414141414151211
Paraiso UVI131416161515151414151211