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December Weather in Buin, Chile

Last updated: August 22, 2025

In December, the average temperature in Buin, Chile hovers around 21°C (70°F), providing a pleasant climate for outdoor activities. However, temperatures can range from a cool 9°C (49°F) to a warm 35°C (96°F). Expect light precipitation of just 3 mm (0.1 in) over the course of 1 day, and enjoy the fresh air with an average humidity of 39%.

December Temperature in Buin

In December in Buin, the average temperature is 21°C (70°F), with maximums reaching 35°C (96°F) and minimums dropping to as low as 9°C (49°F). Travelers should be prepared for warm days and cooler nights during this time.

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

The chart illustrates December temperature patterns in Buin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buin, December typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec717067605447475054586569
Data source: Temperature data for Buin 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 Buin

In Buin in December, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

December Precipitation Trends in Buin

The chart displays monthly precipitation patterns in Buin, 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 Buin, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec105313451116360423983
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Buin

In Buin in December, humidity is 39%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant, refreshing invitation for traveling, creating a comfortable atmosphere that enhances exploration and outdoor activities.

December Average Humidity in Buin

This chart illustrates the average monthly humidity levels in Buin, 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 Buin 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 Buin

In Buin 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 Buin, you can check here.

Maximum UV Index Levels in Buin for December

The chart shows the monthly maximum UV Index (UVI) for Buin 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 Buin typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141211753468111214
Data source: Buin 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 Buin Compares to Other Months

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

This table compares monthly weather conditions in Buin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)10 mm (0.4 inches)41%extreme
February Weather21°C (70°F)5 mm (0.2 inches)41%extreme
March Weather19°C (67°F)3 mm (0.1 inches)46%extreme
April Weather16°C (60°F)13 mm (0.5 inches)52%high
May Weather12°C (54°F)45 mm (1.8 inches)64%moderate
June Weather8°C (48°F)111 mm (4.4 inches)71%moderate
July Weather8°C (47°F)63 mm (2.5 inches)75%moderate
August Weather10°C (50°F)60 mm (2.4 inches)73%high
September Weather12°C (54°F)42 mm (1.7 inches)56%very high
October Weather15°C (59°F)39 mm (1.5 inches)61%extreme
November Weather18°C (65°F)8 mm (0.3 inches)52%extreme
December Weather21°C (70°F)3 mm (0.1 inches)39%extreme

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