December Weather in Collinsville, Australia

Last updated: August 22, 2025

In December, the average temperature in Collinsville, Australia reaches a warm 27°C (82°F), making it an inviting destination. However, be prepared for temperature fluctuations, as it can drop to a minimum of 19°C (66°F) or soar up to a maximum of 39°C (103°F). Travelers should also expect an average precipitation of 95 mm (3.7 in) over 8 days, with humidity lingering around 70%, adding to the tropical ambiance.

December Temperature in Collinsville

In December in Collinsville, the average temperature is 27°C (82°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 19°C (66°F). It's a perfect time to enjoy outdoor activities, but be prepared for heat during the day and cooler evenings.

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

The chart illustrates December temperature patterns in Collinsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Collinsville, December typically has an average temperature of 27°C (82°F), with highs reaching up to 39°C (103°F) and lows dropping to around 19°C (66°F).

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

December Precipitation in Collinsville

In Collinsville in December, the total precipitation amount is 95 mm (3.7 in) spread over 8 days.

December Precipitation Trends in Collinsville

The chart displays monthly precipitation patterns in Collinsville, 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 Collinsville, December typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 8 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 Collinsville

In Collinsville in December, humidity is 70%. With an average temperature of 27°C (82°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling feel slightly sluggish but also inviting, as you step into a vibrant, lush atmosphere that encourages exploration at a leisurely pace.

December Average Humidity in Collinsville

This chart illustrates the average monthly humidity levels in Collinsville, 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 Collinsville 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 Collinsville

In Collinsville in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Collinsville.

Maximum UV Index Levels in Collinsville for December

The chart shows the monthly maximum UV Index (UVI) for Collinsville 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 Collinsville typically reaches 16, which falls under the extreme exposure category.

Data source: Collinsville 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 Collinsville Compares to Other Months

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

This table compares monthly weather conditions in Collinsville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	154 mm (6.1 inches)	73%	extreme
February Weather	27°C (81°F)	172 mm (6.8 inches)	77%	extreme
March Weather	26°C (80°F)	138 mm (5.4 inches)	80%	extreme
April Weather	24°C (75°F)	46 mm (1.8 inches)	76%	extreme
May Weather	21°C (70°F)	51 mm (2.0 inches)	72%	very high
June Weather	18°C (65°F)	14 mm (0.6 inches)	71%	high
July Weather	18°C (65°F)	11 mm (0.4 inches)	63%	very high
August Weather	19°C (66°F)	12 mm (0.5 inches)	71%	extreme
September Weather	21°C (71°F)	13 mm (0.5 inches)	65%	extreme
October Weather	25°C (77°F)	26 mm (1.0 inches)	64%	extreme
November Weather	26°C (79°F)	35 mm (1.4 inches)	66%	extreme
December Weather	27°C (82°F)	95 mm (3.7 inches)	70%	extreme