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December Weather in Bonnie Doon, Australia

Last updated: August 22, 2025

In Bonnie Doon, Australia, the average temperature in December is a pleasant 18°C (65°F). However, be prepared for fluctuations, as temperatures can dip to a minimum of 4°C (40°F) and soar to a sizzling 39°C (103°F). Expect 76 mm (3.0 in) of precipitation over about 7 days, accompanied by an average humidity of 51%.

December Temperature in Bonnie Doon

In December in Bonnie Doon, the average temperature is 18°C (65°F). Maximums can reach 39°C (103°F) and minimums can be as low as 4°C (40°F). It's advisable to pack layers and stay prepared for significant temperature fluctuations during your travels.

December Weather in Bonnie Doon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bonnie Doon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bonnie Doon, December typically has an average temperature of 18°C (65°F), with highs reaching up to 39°C (103°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec706663564844444448545964
Data source: Temperature data for Bonnie Doon 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 Bonnie Doon

In Bonnie Doon in December, the precipitation amount is 76 mm (3.0 in) over a period of 7 days.

December Precipitation Trends in Bonnie Doon

The chart displays monthly precipitation patterns in Bonnie Doon, 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 Bonnie Doon, December typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec465153708874879873987676
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bonnie Doon

In Bonnie Doon in December, humidity is 51%. With an average temperature of 18°C (65°F), this humidity feels like a mild embrace, making it quite pleasant for traveling, allowing for comfortable exploration without the overwhelming heat or stickiness often found in more humid climates.

December Average Humidity in Bonnie Doon

This chart illustrates the average monthly humidity levels in Bonnie Doon, 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 Bonnie Doon 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 Bonnie Doon

In Bonnie Doon in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Bonnie Doon.

Maximum UV Index Levels in Bonnie Doon for December

The chart shows the monthly maximum UV Index (UVI) for Bonnie Doon 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 Bonnie Doon typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14121175335791215
Data source: Bonnie Doon 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 Bonnie Doon Compares to Other Months

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

This table compares monthly weather conditions in Bonnie Doon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)46 mm (1.8 inches)45%extreme
February Weather19°C (66°F)51 mm (2.0 inches)52%extreme
March Weather17°C (63°F)52 mm (2.1 inches)61%extreme
April Weather13°C (56°F)70 mm (2.8 inches)72%high
May Weather9°C (49°F)88 mm (3.5 inches)79%moderate
June Weather7°C (44°F)74 mm (2.9 inches)82%moderate
July Weather6°C (44°F)87 mm (3.4 inches)84%moderate
August Weather7°C (45°F)98 mm (3.8 inches)80%moderate
September Weather9°C (49°F)73 mm (2.9 inches)73%high
October Weather12°C (55°F)98 mm (3.9 inches)60%very high
November Weather15°C (60°F)76 mm (3.0 inches)58%extreme
December Weather18°C (65°F)76 mm (3.0 inches)51%extreme

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