December Weather in Miriam Vale, Australia

Last updated: August 22, 2025

In December, the average temperature in Miriam Vale, Australia is a pleasant 25°C (78°F), making it a lovely time to explore. However, be prepared for a temperature range from a cool 17°C (63°F) to a sizzling 37°C (99°F). Expect 93 mm (3.7 in) of precipitation over approximately 9 days, which contributes to the average humidity of 71%. Pack accordingly for a comfortable visit!

December Temperature in Miriam Vale

In December in Miriam Vale, the average temperature is 25°C (78°F). Maximums can reach 37°C (99°F), and minimums can be as low as 17°C (63°F). Be prepared for warm days and mild evenings, making it an ideal time for outdoor adventures and exploring the local attractions.

December Weather in Miriam Vale: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Miriam Vale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miriam Vale, December typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (63°F).

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

December Precipitation in Miriam Vale

In Miriam Vale in December, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

December Precipitation Trends in Miriam Vale

The chart displays monthly precipitation patterns in Miriam Vale, 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 Miriam Vale, December typically receives around 93 mm (3.7 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 Miriam Vale

In Miriam Vale in December humidity is 71%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities delightful yet slightly weighty, perfect for leisurely strolls but calling for plenty of hydration.

December Average Humidity in Miriam Vale

This chart illustrates the average monthly humidity levels in Miriam Vale, 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 Miriam Vale is approximately 71%, 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 Miriam Vale

In Miriam Vale 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 Miriam Vale.

Maximum UV Index Levels in Miriam Vale for December

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

Data source: Miriam Vale 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 Miriam Vale Compares to Other Months

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

This table compares monthly weather conditions in Miriam Vale, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	69 mm (2.7 inches)	72%	extreme
February Weather	26°C (79°F)	99 mm (3.9 inches)	74%	extreme
March Weather	25°C (77°F)	141 mm (5.5 inches)	79%	extreme
April Weather	22°C (73°F)	48 mm (1.9 inches)	79%	extreme
May Weather	19°C (67°F)	32 mm (1.3 inches)	74%	very high
June Weather	17°C (62°F)	19 mm (0.8 inches)	73%	high
July Weather	16°C (61°F)	33 mm (1.3 inches)	69%	high
August Weather	17°C (63°F)	11 mm (0.4 inches)	75%	very high
September Weather	19°C (67°F)	11 mm (0.4 inches)	67%	extreme
October Weather	22°C (72°F)	86 mm (3.4 inches)	64%	extreme
November Weather	24°C (75°F)	66 mm (2.6 inches)	64%	extreme
December Weather	25°C (78°F)	93 mm (3.7 inches)	71%	extreme