December Weather in Kelso, Australia

Last updated: August 22, 2025

In December, the average temperature in Kelso, Australia is a pleasant 19°C (66°F). However, don't be surprised by the extremes: temperatures can dip as low as 5°C (41°F) and soar up to 37°C (98°F). Expect some rain, with an average precipitation of 79 mm (3.1 in) spread over 8 days. To add to the ambience, the average humidity levels hover around 62%, creating a comfortable, refreshing atmosphere.

December Temperature in Kelso

In December in Kelso, the average temperature is 19°C (66°F). Maximum temperatures can reach 37°C (98°F), while minimums can drop as low as 5°C (41°F). This climate makes Kelso a versatile destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Kelso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kelso, December typically has an average temperature of 19°C (66°F), with highs reaching up to 37°C (98°F) and lows dropping to around 5°C (41°F).

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

December Precipitation in Kelso

In Kelso in December, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

December Precipitation Trends in Kelso

The chart displays monthly precipitation patterns in Kelso, 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 Kelso, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Kelso

In Kelso in December, humidity is 62%. With an average temperature of 19°C (66°F), this humidity feels like a balmy embrace, making travel pleasant, yet slightly muggy, urging you to stay hydrated and seek shade during midday excursions.

December Average Humidity in Kelso

This chart illustrates the average monthly humidity levels in Kelso, 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 Kelso is approximately 62%, 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 Kelso

In Kelso 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 Kelso.

Maximum UV Index Levels in Kelso for December

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

Data source: Kelso 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 Kelso Compares to Other Months

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

This table compares monthly weather conditions in Kelso, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	51 mm (2.0 inches)	55%	extreme
February Weather	19°C (67°F)	68 mm (2.7 inches)	60%	extreme
March Weather	17°C (63°F)	93 mm (3.7 inches)	68%	extreme
April Weather	13°C (56°F)	26 mm (1.0 inches)	74%	very high
May Weather	9°C (48°F)	34 mm (1.4 inches)	78%	high
June Weather	6°C (43°F)	37 mm (1.5 inches)	78%	moderate
July Weather	5°C (42°F)	45 mm (1.8 inches)	79%	moderate
August Weather	6°C (42°F)	62 mm (2.4 inches)	74%	high
September Weather	9°C (49°F)	45 mm (1.8 inches)	69%	very high
October Weather	13°C (56°F)	58 mm (2.3 inches)	57%	extreme
November Weather	15°C (60°F)	88 mm (3.5 inches)	53%	extreme
December Weather	19°C (66°F)	79 mm (3.1 inches)	62%	extreme