UV Index in Nuevo Vallarta, Mexico

Last updated: August 1, 2025

Understanding the UV Index is crucial for everyone in Nuevo Vallarta, Mexico, where the sun shines brightly and the climate invites outdoor activities year-round. With UV levels peaking at a hazardous 12 during the midday hours, being aware of these values is essential for sunburn prevention and maintaining overall skin health. Implementing protective measures during high UV times can significantly reduce the risk of skin damage. As a popular beach destination known for its tropical climate, Nuevo Vallarta presents unique UV exposure risks that warrant careful monitoring to ensure the well-being of both residents and visitors alike.

Hourly UV Index in Nuevo Vallarta

As the sun rose at 07:00, the UV Index was a serene 0, offering a safe start to the day. However, as time progressed, the index steadily climbed. By 08:00, it nudged up to 1, followed by a gradual increase reaching 2 at 09:00. The real intensity kicked in by 11:00, where the index hit 6, peaking at a formidable 12 from 13:00 to 15:00—the hours when sun protection became essential. As the afternoon waned, the UV Index began to retreat, dropping to 9 at 16:00, and finally winding down to 3 by 18:00. An awareness of these shifts not only enhances outdoor enjoyment but ensures safety in the sun's embrace as the day unfolds.

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
07:000low45 min
08:001low45 min
09:001low45 min
10:003moderate30 min
11:006high25 min
12:009very high15 min
13:0012extreme10 min
14:0013extreme10 min
15:0012extreme10 min
16:009very high15 min
17:006high25 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Nuevo Vallarta

The UV Index exhibits significant seasonal variation, with the highest levels occurring from March to October, where exposure categories reach extreme status. March through August sees consistently high UV Index ratings of 12-13, resulting in a minimal burn time of just 10 minutes. Visitors and residents should be particularly cautious during these months, as the risk of sunburn is substantial. January and February also pose a risk with UV Index values near 10, categorized as very high, leading to a burn time of 15 minutes. As the seasons transition into November and December, the UV Index drops, but care should still be exercised. November has a UV Index of 9 (very high) with a burn time of 15 minutes, and December sees a further decrease to 7 (high), allowing for a slightly longer burn time of 25 minutes. To ensure safety, it is advisable to wear sunscreen, seek shade, and wear protective clothing during the high-risk months, especially from March to October when sun exposure can lead to serious skin damage in a short amount of time.

Monthly Maximum UV Index for Nuevo Vallarta, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nuevo Vallarta. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131213121197
Data source: Statistical UV Index data for Nuevo Vallarta, 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 Nuevo Vallarta UV Index with Other Mexico Cities

The table above highlights how UV exposure in Nuevo Vallarta compares to other major locations across Mexico. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Nuevo Vallarta's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Nuevo Vallarta810121313131213121197
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109