December Weather in Santiago

Last updated: March 2, 2024

The weather in Santiago, Peru, during December is characterized by an average temperature of 10°C (50°F). Highs can soar to 19°C (66°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Santiago throughout December hovers around 93%.

4°C (39°F)

Minimum temperature

10°C (50°F)

Average temperature

19°C (66°F)

Maximum temperature

93%

Humidity

Precipitation and Sunshine hours

In December, Santiago averages 214 mm (8.4 inches) of rainfall, typically over the course of 27 rainy days. The month enjoys an average of 12 hours 53 minutes of daylight, with the sun shining for approximately 8 hours 48 minutes each day. Additionally, there is a 7% probability of sunny days during this period.

214 mm (8.4 inches)

Precipitation

27 rainy days

Rainy days

8 hours 48 minutes

Sunshine hours

7%

Chance of sun

UV Index

In December, the UV Index in Santiago reaches a maximum of 22, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.

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.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 3 7 13 18 22 22 19 14 8 4 1 1 0
Exposure Moderate High Extreme VeryHigh Moderate Low
Time to burn 30 min 25 min 10 min 15 min 30 min 45 min

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