December Weather in Northam, Australia

Last updated: August 22, 2025

In December, the average temperature in Northam, Australia is a pleasant 24°C (75°F). Temperatures can vary significantly, with a minimum of 6°C (43°F) and a sweltering maximum of 42°C (108°F). You can expect 4 mm (0.2 in) of precipitation over just 1 day, while average humidity rests at a comfortable 40%. Enjoy the delightful climate!

December Temperature in Northam

In December in Northam, the average temperature is 24°C (75°F). Maximum temperatures can reach 42°C (108°F), while minimums can drop as low as 6°C (43°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates December temperature patterns in Northam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northam, December typically has an average temperature of 24°C (75°F), with highs reaching up to 42°C (108°F) and lows dropping to around 6°C (43°F).

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

December Precipitation in Northam

In Northam in December, the precipitation amount is 4 mm (0.2 in) during 1 day.

December Precipitation Trends in Northam

The chart displays monthly precipitation patterns in Northam, 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 Northam, December typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 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 Northam

In Northam in December, humidity is 40%. With an average temperature of 24°C (75°F), this humidity feels like a pleasant and refreshing atmosphere for traveling, where the warmth is balanced by a comfortable breeze, making outdoor explorations enjoyable.

December Average Humidity in Northam

This chart illustrates the average monthly humidity levels in Northam, 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 Northam is approximately 40%, 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 Northam

In Northam 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 Northam, you can check here.

Maximum UV Index Levels in Northam for December

The chart shows the monthly maximum UV Index (UVI) for Northam 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 Northam typically reaches 14, which falls under the extreme exposure category.

Data source: Northam 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 Northam Compares to Other Months

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

This table compares monthly weather conditions in Northam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	22 mm (0.9 inches)	40%	extreme
February Weather	24°C (76°F)	49 mm (1.9 inches)	44%	extreme
March Weather	22°C (73°F)	27 mm (1.1 inches)	50%	extreme
April Weather	19°C (66°F)	14 mm (0.5 inches)	65%	very high
May Weather	14°C (58°F)	31 mm (1.2 inches)	69%	high
June Weather	12°C (54°F)	52 mm (2.0 inches)	75%	moderate
July Weather	12°C (53°F)	58 mm (2.3 inches)	74%	moderate
August Weather	11°C (53°F)	55 mm (2.2 inches)	70%	high
September Weather	13°C (56°F)	22 mm (0.9 inches)	61%	very high
October Weather	17°C (62°F)	24 mm (1.0 inches)	50%	extreme
November Weather	20°C (68°F)	13 mm (0.5 inches)	45%	extreme
December Weather	24°C (75°F)	4 mm (0.2 inches)	40%	extreme