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December Weather in Muswellbrook, Australia

Last updated: August 22, 2025

In December, the average temperature in Muswellbrook, Australia is a pleasant 23°C (74°F). However, temperatures can swing from a cool 10°C (51°F) to a scorching 41°C (106°F). Expect around 67 mm (2.6 in) of precipitation spread over 10 days, coupled with an average humidity of 68%. Get ready for a diverse climate experience!

December Temperature in Muswellbrook

In December in Muswellbrook, the average temperature is 23°C (74°F). Maximum temperatures can reach 41°C (106°F), while the minimum can drop as low as 10°C (51°F). This makes Muswellbrook an ideal destination for travelers seeking warm weather, but it's wise to prepare for cooler evenings.

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

The chart illustrates December temperature patterns in Muswellbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muswellbrook, December typically has an average temperature of 23°C (74°F), with highs reaching up to 41°C (106°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec777470645752515359646873
Data source: Temperature data for Muswellbrook 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 Muswellbrook

In Muswellbrook in December, the total precipitation amount is 67 mm (2.6 in) over a period of 10 days.

December Precipitation Trends in Muswellbrook

The chart displays monthly precipitation patterns in Muswellbrook, 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 Muswellbrook, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec327299242634382623587967
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Muswellbrook

In Muswellbrook in December, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

December Average Humidity in Muswellbrook

This chart illustrates the average monthly humidity levels in Muswellbrook, 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 Muswellbrook is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%72%75%74%72%68%67%63%55%58%68%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Muswellbrook

In Muswellbrook 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 Muswellbrook.

Maximum UV Index Levels in Muswellbrook for December

The chart shows the monthly maximum UV Index (UVI) for Muswellbrook 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 Muswellbrook typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412864468111315
Data source: Muswellbrook 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 Muswellbrook Compares to Other Months

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

This table compares monthly weather conditions in Muswellbrook, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)32 mm (1.2 inches)65%extreme
February Weather23°C (74°F)72 mm (2.8 inches)69%extreme
March Weather21°C (70°F)99 mm (3.9 inches)72%extreme
April Weather18°C (64°F)24 mm (0.9 inches)75%very high
May Weather14°C (57°F)26 mm (1.0 inches)74%high
June Weather11°C (52°F)34 mm (1.3 inches)72%moderate
July Weather11°C (51°F)38 mm (1.5 inches)68%moderate
August Weather12°C (53°F)26 mm (1.0 inches)67%high
September Weather15°C (59°F)23 mm (0.9 inches)63%very high
October Weather18°C (65°F)58 mm (2.3 inches)55%extreme
November Weather20°C (68°F)79 mm (3.1 inches)57%extreme
December Weather23°C (74°F)67 mm (2.6 inches)68%extreme

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