December Weather in Melipilla, Chile

Last updated: August 22, 2025

In December, the average temperature in Melipilla, Chile hovers around 19°C (66°F). Be prepared for some variability, as temperatures can dip to a minimum of 8°C (47°F) and soar to a maximum of 35°C (96°F). If you’re worried about rain, there’s little to fret about, with only 2 mm (0.1 in) of precipitation expected over 0 days. Enjoy the pleasant conditions with an average humidity of 39%!

December Temperature in Melipilla

In December in Melipilla, the average temperature is 19°C (66°F), with maximums reaching 35°C (96°F) and minimums dropping as low as 8°C (47°F). This range makes it ideal for travelers looking to enjoy mild days and cool evenings, so be sure to pack accordingly!

December Weather in Melipilla: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Melipilla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Melipilla, December typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec686764585449485053586366
Data source: Temperature data for Melipilla generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Melipilla

In Melipilla in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

December Precipitation Trends in Melipilla

The chart displays monthly precipitation patterns in Melipilla, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Melipilla, December typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec95313451125641242252
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Melipilla

In Melipilla in December humidity is 39%. With an average temperature of 19°C (66°F), this humidity feels like a refreshing breeze that makes exploring the area quite pleasant, allowing travelers to enjoy outdoor activities without feeling overly sticky or uncomfortable.

December Average Humidity in Melipilla

This chart illustrates the average monthly humidity levels in Melipilla, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Melipilla is approximately 39%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%46%52%64%71%75%73%56%61%52%39%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Melipilla

In Melipilla in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Melipilla, you can check here.

Maximum UV Index Levels in Melipilla for December

The chart shows the monthly maximum UV Index (UVI) for Melipilla in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Melipilla typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311853458111314
Data source: Melipilla December UVI data generated using 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.

How December Weather in Melipilla Compares to Other Months

Weather in Melipilla varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Melipilla, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Melipilla, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)9 mm (0.4 inches)41%extreme
February Weather19°C (67°F)5 mm (0.2 inches)41%extreme
March Weather18°C (64°F)3 mm (0.1 inches)46%extreme
April Weather15°C (59°F)13 mm (0.5 inches)52%very high
May Weather12°C (54°F)45 mm (1.8 inches)64%moderate
June Weather9°C (49°F)112 mm (4.4 inches)71%moderate
July Weather9°C (48°F)56 mm (2.2 inches)75%moderate
August Weather10°C (50°F)41 mm (1.6 inches)73%moderate
September Weather12°C (54°F)24 mm (1.0 inches)56%very high
October Weather14°C (58°F)22 mm (0.9 inches)61%extreme
November Weather17°C (64°F)5 mm (0.2 inches)52%extreme
December Weather19°C (66°F)2 mm (0.1 inches)39%extreme

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