UV Index in Machali, Chile

Last updated: June 2, 2025

Understanding the UV Index in Machalí, Chile is vital for ensuring your outdoor activities remain safe and enjoyable. With the region’s Csb climate, residents and visitors must be aware of the varying UV levels throughout the day, as even low levels can lead to skin damage and increase the risk of sunburn. Specifically, during peak hours between 11:00 AM and 1:00 PM, when the UV Index reaches levels of 3 to 4, it’s critical to take protective measures to safeguard your skin health. By staying informed about UV exposure risks, you can fully enjoy the beautiful outdoor scenery of Machalí while keeping your skin protected from harmful effects.

Hourly UV Index in Machali

The UV Index for today paints a clear picture of sun intensity throughout the hours. Starting from a low of 0 at 07:00, the day gradually warms up, reaching 1 by 08:00 and maintaining that level until 09:00. As the sun climbs higher, we see a rise to 2 at 10:00 and peaking at 4 by 13:00—the most critical time for sun exposure. After this midday high, the index dips slightly to 3 between 14:00 and 12:00, before gradually decreasing towards the evening, arriving back at 0 by 19:00. Remember to protect your skin during the peak hours when the UV Index hits its highest levels!

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
10:002low45 min
11:003moderate30 min
12:003moderate30 min
13:004moderate30 min
14:003moderate30 min
15:002low45 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Machali

The UV Index exhibits significant seasonal fluctuations, with January, February, March, October, November, and December classified as high-risk months due to extreme levels, where a mere 10 minutes of exposure can lead to sunburn. April transitions to very high exposure with a 15-minute burn time, while May and June see a drop to moderate levels, allowing for safer exposure of 30 minutes. As summer progresses, July maintains a moderate index, but the risk increases again in August with a high category and a burn time of 25 minutes. September returns to very high levels, emphasizing caution. Visitors and residents should exercise heightened vigilance during these high-risk months by applying sunscreen, wearing protective clothing, and seeking shade, particularly from late fall through early spring when UV exposure remains dangerously high.

Monthly Maximum UV Index for Machali, Chile

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Machali. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468111314
Data source: Statistical UV Index data for Machali, 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 Machali UV Index with Other Chile Cities

The table above highlights how UV exposure in Machali compares to other major locations across Chile. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Machali's solar exposure compared to other cities in Chile. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Santiago UVI141211753468111214
Valparaiso UVI141211854468111214
Vina del Mar UVI141211854468111214
Machali141311854468111314
Puente Alto UVI1514128646811121415
Antofagasta UVI15151310867911141515