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December Weather in Roseworthy, Australia

Last updated: August 22, 2025

In December, the average temperature in Roseworthy, Australia is a pleasant 21°C (70°F). However, temperatures can range significantly, dipping to a chilly 8°C (46°F) at night and peaking at a sweltering 44°C (111°F) during the day. Expect light rainfall, with an average precipitation of 13 mm (0.5 in) spread over just 3 days. The region boasts an average humidity of 46%, creating a comfortable environment for exploration.

December Temperature in Roseworthy

In December in Roseworthy, the average temperature is 21°C (70°F). Maximum temperatures can reach as high as 44°C (111°F), while minimums can drop down to a chilly 8°C (46°F). It's advisable to pack both light clothing for the heat and warmer layers for cooler evenings when traveling.

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

The chart illustrates December temperature patterns in Roseworthy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roseworthy, December typically has an average temperature of 21°C (70°F), with highs reaching up to 44°C (111°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec737068635550505055606570
Data source: Temperature data for Roseworthy 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 Roseworthy

In Roseworthy in December, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

December Precipitation Trends in Roseworthy

The chart displays monthly precipitation patterns in Roseworthy, 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 Roseworthy, December typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec141810233537486035333413
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Roseworthy

In Roseworthy in December humidity is 46%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant and comfortable environment for traveling, allowing for enjoyable explorations without feeling overly sticky or muggy.

December Average Humidity in Roseworthy

This chart illustrates the average monthly humidity levels in Roseworthy, 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 Roseworthy is approximately 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%46%55%66%73%76%76%70%65%51%50%46%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Roseworthy

In Roseworthy 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 Roseworthy.

Maximum UV Index Levels in Roseworthy for December

The chart shows the monthly maximum UV Index (UVI) for Roseworthy 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 Roseworthy typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141412853458101315
Data source: Roseworthy 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 Roseworthy Compares to Other Months

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

This table compares monthly weather conditions in Roseworthy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)14 mm (0.6 inches)41%extreme
February Weather21°C (71°F)18 mm (0.7 inches)46%extreme
March Weather20°C (69°F)10 mm (0.4 inches)55%extreme
April Weather17°C (63°F)23 mm (0.9 inches)66%very high
May Weather13°C (55°F)35 mm (1.4 inches)73%moderate
June Weather10°C (50°F)37 mm (1.5 inches)76%moderate
July Weather10°C (50°F)48 mm (1.9 inches)76%moderate
August Weather10°C (50°F)60 mm (2.4 inches)70%moderate
September Weather13°C (55°F)35 mm (1.4 inches)65%very high
October Weather16°C (60°F)33 mm (1.3 inches)51%very high
November Weather18°C (65°F)34 mm (1.3 inches)50%extreme
December Weather21°C (70°F)13 mm (0.5 inches)46%extreme

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