December Weather in Greenmount, Australia

Last updated: August 22, 2025

In December, the average temperature in Greenmount, Australia is a pleasant 23°C (74°F). Expect a range of 11°C (52°F) to a peak of 38°C (101°F), making it ideal for various outdoor activities. With an average precipitation of 81 mm (3.2 in) spread over 9 days, you'll want to pack an umbrella just in case. The atmosphere is comfortably humid with an average humidity of 70%, perfect for enjoying the vibrant surroundings!

December Temperature in Greenmount

In December in Greenmount, the average temperature is 23°C (74°F). Maximums can reach 38°C (101°F), while minimums can dip to as low as 11°C (52°F). This variety in temperatures makes it essential for travelers to pack both light clothing for the warm days and warmer layers for the cooler evenings.

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

The chart illustrates December temperature patterns in Greenmount, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenmount, December typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).

Data source: Temperature data for Greenmount generated using information from the Copernicus Climate Change Service.

December Precipitation in Greenmount

In Greenmount in December, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

December Precipitation Trends in Greenmount

The chart displays monthly precipitation patterns in Greenmount, 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 Greenmount, December typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Greenmount

In Greenmount in December humidity is 70%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still bearable for traveling.

December Average Humidity in Greenmount

This chart illustrates the average monthly humidity levels in Greenmount, 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 Greenmount is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Greenmount

In Greenmount 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 Greenmount.

Maximum UV Index Levels in Greenmount for December

The chart shows the monthly maximum UV Index (UVI) for Greenmount 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 Greenmount typically reaches 15, which falls under the extreme exposure category.

Data source: Greenmount 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 Greenmount Compares to Other Months

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

This table compares monthly weather conditions in Greenmount, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	64 mm (2.5 inches)	70%	extreme
February Weather	23°C (74°F)	84 mm (3.3 inches)	69%	extreme
March Weather	22°C (72°F)	106 mm (4.2 inches)	75%	extreme
April Weather	18°C (65°F)	24 mm (0.9 inches)	78%	very high
May Weather	15°C (59°F)	14 mm (0.6 inches)	74%	high
June Weather	12°C (54°F)	29 mm (1.1 inches)	76%	moderate
July Weather	12°C (54°F)	25 mm (1.0 inches)	72%	moderate
August Weather	13°C (55°F)	13 mm (0.5 inches)	75%	very high
September Weather	16°C (62°F)	11 mm (0.4 inches)	69%	very high
October Weather	19°C (67°F)	107 mm (4.2 inches)	62%	extreme
November Weather	21°C (70°F)	58 mm (2.3 inches)	61%	extreme
December Weather	23°C (74°F)	81 mm (3.2 inches)	70%	extreme