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December Weather in Port MacDonnell, Australia

Last updated: August 22, 2025

In December, the average temperature in Port MacDonnell, Australia is a comfortable 16°C (61°F). Expect a range where the minimum can dip to 10°C (50°F), while the mercury might soar up to 34°C (93°F) on warmer days. With 42 mm (1.6 in) of precipitation spread over 6 days, don’t forget to pack an umbrella! The average humidity rests at a notable 76%, adding a touch of mugginess to the air.

December Temperature in Port MacDonnell

In December in Port MacDonnell, the average temperature is 16°C (61°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 10°C (50°F). Be prepared for a mix of warm and cool days, making it an ideal time for sightseeing and outdoor activities.

December Weather in Port MacDonnell: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Port MacDonnell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port MacDonnell, December typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec646363605754535354565961
Data source: Temperature data for Port MacDonnell 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 Port MacDonnell

In Port MacDonnell in December, the total precipitation amount is 42 mm (1.6 in) over a span of 6 days.

December Precipitation Trends in Port MacDonnell

The chart displays monthly precipitation patterns in Port MacDonnell, 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 Port MacDonnell, December typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec30302744978812911687665942
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Port MacDonnell

In Port MacDonnell in December humidity is 76%. With an average temperature of 16°C (61°F), this humidity feels like a warm embrace that makes traveling feel slightly heavy yet refreshing, often prompting you to seek shade or indulge in ice-cold drinks to stay comfortable.

December Average Humidity in Port MacDonnell

This chart illustrates the average monthly humidity levels in Port MacDonnell, 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 Port MacDonnell is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%76%76%79%78%78%77%77%76%76%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Port MacDonnell

In Port MacDonnell 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 Port MacDonnell, you can check here.

Maximum UV Index Levels in Port MacDonnell for December

The chart shows the monthly maximum UV Index (UVI) for Port MacDonnell 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 Port MacDonnell typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791114
Data source: Port MacDonnell 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 Port MacDonnell Compares to Other Months

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

This table compares monthly weather conditions in Port MacDonnell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)30 mm (1.2 inches)76%extreme
February Weather17°C (63°F)29 mm (1.2 inches)75%extreme
March Weather17°C (63°F)27 mm (1.1 inches)76%extreme
April Weather15°C (60°F)44 mm (1.7 inches)76%high
May Weather14°C (57°F)97 mm (3.8 inches)79%moderate
June Weather12°C (54°F)88 mm (3.4 inches)78%moderate
July Weather12°C (53°F)129 mm (5.1 inches)78%moderate
August Weather11°C (53°F)116 mm (4.6 inches)77%moderate
September Weather12°C (54°F)87 mm (3.4 inches)76%high
October Weather13°C (56°F)66 mm (2.6 inches)76%very high
November Weather15°C (59°F)59 mm (2.3 inches)76%extreme
December Weather16°C (61°F)42 mm (1.6 inches)76%extreme

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