December Weather in Koah, Australia

Last updated: August 22, 2025

In December, the average temperature in Koah, Australia is a pleasant 25°C (78°F). Expect a range where the minimum can drop to 18°C (64°F) and the maximum soars to 36°C (97°F). During this period, the area experiences approximately 126 mm (5.0 in) of precipitation over 13 days, contributing to a refreshing average humidity of 75%.

December Temperature in Koah

In December in Koah, the average temperature is 25°C (78°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as 18°C (64°F). This pleasant climate makes Koah an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates December temperature patterns in Koah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koah, December typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 18°C (64°F).

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

December Precipitation in Koah

In Koah in December, the precipitation amount is 126 mm (5.0 in) over the course of 13 days.

December Precipitation Trends in Koah

The chart displays monthly precipitation patterns in Koah, 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 Koah, December typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 13 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 Koah

In Koah in December, humidity is 75%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, but also vibrant and alive, as the air is saturated with the scents of the surroundings and the energy of the environment.

December Average Humidity in Koah

This chart illustrates the average monthly humidity levels in Koah, 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 Koah is approximately 75%, 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 Koah

In Koah 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 Koah.

Maximum UV Index Levels in Koah for December

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

Data source: Koah 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 Koah Compares to Other Months

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

This table compares monthly weather conditions in Koah, 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)	323 mm (12.7 inches)	79%	extreme
February Weather	25°C (77°F)	224 mm (8.8 inches)	81%	extreme
March Weather	25°C (76°F)	204 mm (8.0 inches)	83%	extreme
April Weather	23°C (74°F)	119 mm (4.7 inches)	80%	extreme
May Weather	21°C (70°F)	18 mm (0.7 inches)	78%	very high
June Weather	19°C (66°F)	18 mm (0.7 inches)	78%	very high
July Weather	19°C (66°F)	16 mm (0.6 inches)	71%	very high
August Weather	19°C (67°F)	7 mm (0.3 inches)	75%	extreme
September Weather	20°C (69°F)	8 mm (0.3 inches)	72%	extreme
October Weather	23°C (73°F)	27 mm (1.1 inches)	73%	extreme
November Weather	24°C (76°F)	25 mm (1.0 inches)	74%	extreme
December Weather	25°C (78°F)	126 mm (5.0 inches)	75%	extreme