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December Weather in Chiltern, Australia

Last updated: August 22, 2025

In December, the average temperature in Chiltern, Australia hovers around a pleasant 21°C (70°F). However, be prepared for quite the range, with minimums dipping to 6°C (43°F) and soaring maximums reaching 41°C (106°F). Expect 77 mm (3.0 in) of precipitation over about 6 days, so don't forget your umbrella! With an average humidity of 51%, you'll find the climate refreshingly moderate.

December Temperature in Chiltern

In December in Chiltern, the average temperature is 21°C (70°F), with maximums often reaching 41°C (106°F) and minimums dropping as low as 6°C (43°F). Be prepared for a wide range of temperatures when traveling to Chiltern during this time.

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

The chart illustrates December temperature patterns in Chiltern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiltern, December typically has an average temperature of 21°C (70°F), with highs reaching up to 41°C (106°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec757167595045454651586470
Data source: Temperature data for Chiltern 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 Chiltern

In Chiltern in December, the total precipitation amount is 77 mm (3.0 in) occurring over a span of 6 days.

December Precipitation Trends in Chiltern

The chart displays monthly precipitation patterns in Chiltern, 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 Chiltern, December typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec493757627965828359797477
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chiltern

In Chiltern in December, humidity is 51%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant embrace, making it comfortable for traveling and exploring without feeling overly sticky or suffocated.

December Average Humidity in Chiltern

This chart illustrates the average monthly humidity levels in Chiltern, 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 Chiltern is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%61%72%79%82%84%80%73%60%58%51%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chiltern

In Chiltern 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 Chiltern, you can check here.

Maximum UV Index Levels in Chiltern for December

The chart shows the monthly maximum UV Index (UVI) for Chiltern 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 Chiltern typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14121175335791214
Data source: Chiltern 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 Chiltern Compares to Other Months

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

This table compares monthly weather conditions in Chiltern, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)48 mm (1.9 inches)45%extreme
February Weather22°C (71°F)36 mm (1.4 inches)52%extreme
March Weather20°C (68°F)57 mm (2.2 inches)61%extreme
April Weather15°C (59°F)62 mm (2.4 inches)72%high
May Weather10°C (51°F)79 mm (3.1 inches)79%moderate
June Weather7°C (45°F)65 mm (2.6 inches)82%moderate
July Weather7°C (45°F)82 mm (3.2 inches)84%moderate
August Weather8°C (46°F)83 mm (3.3 inches)80%moderate
September Weather10°C (51°F)59 mm (2.3 inches)73%high
October Weather14°C (58°F)79 mm (3.1 inches)60%very high
November Weather18°C (64°F)73 mm (2.9 inches)58%extreme
December Weather21°C (70°F)77 mm (3.0 inches)51%extreme

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