January Weather in Whyalla, Australia

Last updated: August 22, 2025

In Whyalla, Australia, the average temperature in January is a pleasant 25°C (77°F). However, be prepared for a temperature range that can swing from a cool 13°C (55°F) to a scorching 48°C (119°F). During this month, expect minimal rainfall with 16 mm (0.6 in) of precipitation over just 2 days. With an average humidity of 31%, the weather is generally dry, making it an ideal time for outdoor adventures!

January Temperature in Whyalla

In January in Whyalla, the average temperature is 25°C (77°F). Maximum temperatures can reach 48°C (119°F), while minimums can drop as low as 13°C (55°F). Travelers should be prepared for a wide range of temperatures during their visit.

January Weather in Whyalla: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Whyalla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Whyalla, January typically has an average temperature of 25°C (77°F), with highs reaching up to 48°C (119°F) and lows dropping to around 13°C (55°F).

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

January Precipitation in Whyalla

In Whyalla in January, the precipitation amount is 16 mm (0.6 in) over a period of 2 days.

January Precipitation Trends in Whyalla

The chart displays monthly precipitation patterns in Whyalla, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Whyalla, January typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Whyalla

In Whyalla in January, humidity is 31%. With an average temperature of 25°C (77°F), this humidity feels like a pleasant breeze, making it ideal for exploring outdoor attractions and enjoying leisurely strolls without feeling overly sticky or uncomfortable.

January Average Humidity in Whyalla

This chart illustrates the average monthly humidity levels in Whyalla, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Whyalla is approximately 31%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Whyalla

In Whyalla in January, 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 Whyalla.

Maximum UV Index Levels in Whyalla for January

The chart shows the monthly maximum UV Index (UVI) for Whyalla in January, 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 January, the maximum UV index in Whyalla typically reaches 15, which falls under the extreme exposure category.

Data source: Whyalla January 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 January Weather in Whyalla Compares to Other Months

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

This table compares monthly weather conditions in Whyalla, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	16 mm (0.6 inches)	31%	extreme
February Weather	24°C (75°F)	19 mm (0.7 inches)	36%	extreme
March Weather	23°C (73°F)	6 mm (0.3 inches)	47%	extreme
April Weather	19°C (67°F)	18 mm (0.7 inches)	58%	very high
May Weather	15°C (59°F)	16 mm (0.6 inches)	66%	high
June Weather	12°C (53°F)	21 mm (0.8 inches)	70%	moderate
July Weather	12°C (53°F)	16 mm (0.6 inches)	70%	moderate
August Weather	12°C (55°F)	23 mm (0.9 inches)	63%	high
September Weather	16°C (61°F)	14 mm (0.6 inches)	53%	very high
October Weather	19°C (66°F)	21 mm (0.8 inches)	39%	extreme
November Weather	21°C (70°F)	38 mm (1.5 inches)	42%	extreme
December Weather	23°C (74°F)	17 mm (0.7 inches)	38%	extreme