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December Weather in Mosman Park, Australia

Last updated: August 22, 2025

In December, the average temperature in Mosman Park, Australia hovers around 23°C (73°F). Expect a minimum of 10°C (51°F) and a maximum soaring to 40°C (104°F). The region sees 8 mm (0.3 in) of precipitation spread over 2 days, while the average humidity remains comfortable at 53%. Enjoy the pleasant climate!

December Temperature in Mosman Park

In December in Mosman Park, the average temperature is 23°C (73°F), with maximums reaching up to 40°C (104°F) and minimums dropping as low as 10°C (51°F). Travelers should be prepared for a wide range of temperatures during this time.

December Weather in Mosman Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mosman Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mosman Park, December typically has an average temperature of 23°C (73°F), with highs reaching up to 40°C (104°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec747573686259585760636773
Data source: Temperature data for Mosman Park 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 Mosman Park

In Mosman Park in December, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

December Precipitation Trends in Mosman Park

The chart displays monthly precipitation patterns in Mosman Park, 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 Mosman Park, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec31582121581081151034241268
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mosman Park

In Mosman Park in December, humidity is 53%. With an average temperature of 23°C (73°F), this humidity feels like a comfortable embrace, making it ideal for leisurely strolls or exploring the sights without feeling overwhelmed.

December Average Humidity in Mosman Park

This chart illustrates the average monthly humidity levels in Mosman Park, 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 Mosman Park is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%55%59%70%72%77%77%75%71%63%56%53%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mosman Park

In Mosman Park 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 Mosman Park, you can check here.

Maximum UV Index Levels in Mosman Park for December

The chart shows the monthly maximum UV Index (UVI) for Mosman Park 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 Mosman Park typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141411964468111314
Data source: Mosman Park 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 Mosman Park Compares to Other Months

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

This table compares monthly weather conditions in Mosman Park, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)31 mm (1.2 inches)52%extreme
February Weather24°C (75°F)58 mm (2.3 inches)55%extreme
March Weather23°C (73°F)21 mm (0.8 inches)59%extreme
April Weather20°C (68°F)21 mm (0.8 inches)70%very high
May Weather17°C (62°F)58 mm (2.3 inches)72%high
June Weather15°C (59°F)107 mm (4.2 inches)77%moderate
July Weather15°C (58°F)115 mm (4.5 inches)77%moderate
August Weather14°C (58°F)103 mm (4.1 inches)75%high
September Weather15°C (60°F)42 mm (1.6 inches)71%very high
October Weather17°C (63°F)41 mm (1.6 inches)63%extreme
November Weather20°C (68°F)26 mm (1.0 inches)56%extreme
December Weather23°C (73°F)8 mm (0.3 inches)53%extreme

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