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UV Index in Nandayure, Costa Rica

Last updated: July 2, 2025

Understanding the UV Index in Nandayure, Costa Rica is crucial for both residents and visitors alike. As this region enjoys a tropical climate, the sun's ultra-violet rays can reach harmful levels, increasing the risk of sunburn and long-term skin health issues. With UV Index values peaking at 13 around noon, it’s essential to be aware of these levels to protect yourself during outdoor activities. By keeping an eye on the UV Index, you can enjoy the beautiful Costa Rican sun while safeguarding your skin and ensuring a fun and safe experience in this stunning locale.

Hourly UV Index in Nandayure

The UV Index reveals a compelling narrative of sun intensity throughout the day. Early risers can expect a mild start at 7:00 AM with a UV Index of 2, gradually escalating to a moderate level of 4 by 8:00 AM. The sun's powerful grip tightens swiftly, hitting 7 by 9:00 AM and reaching its peak at a striking 13 from 11:00 AM to 12:00 PM. This zenith suggests it’s the ideal time to seek shade or don protective gear. As the afternoon progresses, the index gently retreats, dropping to 9 at 2:00 PM before falling to 5 by 3:00 PM. By 4:00 PM, it’s back to 2, trailing down to 0 by 6:00 PM, marking the day's end of significant sun exposure. Stay vigilant during those peak hours for safe outdoor enjoyment!

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
08:004moderate30 min
09:007high25 min
10:0011extreme10 min
11:0013extreme10 min
12:0013extreme10 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 Nandayure

Throughout the year, the UV Index displays seasonal variations that reflect increased sun exposure, particularly from January to May, where it consistently remains at extreme levels (11-14) with a burn time of just 10 minutes. This trend indicates that March, April, and May are the highest-risk months, urging visitors and residents to take extra precautions during these months. While June to October maintains an extreme UV Index, it slightly decreases to 13. As winter approaches, November sees a drop to 11, followed by December's very high level of 10. Therefore, it is crucial for everyone to practice sun safety measures—such as seeking shade, wearing protective clothing, and applying sunscreen—especially from January to May to mitigate the risk of harmful UV exposure.

Monthly Maximum UV Index for Nandayure, Costa Rica

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nandayure. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111314141413131313131110
Data source: Statistical UV Index data for Nandayure, 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 Nandayure UV Index with Other Costa Rica Cities

The table above highlights how UV exposure in Nandayure 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.
Nandayure's solar exposure compared to other cities in Costa Rica. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Nandayure111314141413131313131110
Limon UVI121314151413131313141110
Liberia UVI111314141414141313131110
Alajuela UVI121315151414141313141210
San Jose UVI121415161414141414151211
Paraiso UVI131416161515151414151211