January Weather in Boyanup, Australia

Last updated: August 22, 2025

In January, the average temperature in Boyanup, Australia is a pleasant 21°C (71°F). Expect a range from a cool 9°C (48°F) at night to a warm 35°C (96°F) during the day. With only 8 mm (0.3 in) of precipitation over 0 days, you can enjoy mostly dry weather. The average humidity stands at a comfortable 52%, making it an ideal time to explore!

January Temperature in Boyanup

In January in Boyanup, the average temperature is 21°C (71°F). Maximum temperatures can reach up to 35°C (96°F), while minimums can drop as low as 9°C (48°F). This diverse temperature range makes Boyanup an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates January temperature patterns in Boyanup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boyanup, January typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (48°F).

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

January Precipitation in Boyanup

In Boyanup in January, the precipitation amount is 8 mm (0.3 in) during a span of 0 days.

January Precipitation Trends in Boyanup

The chart displays monthly precipitation patterns in Boyanup, 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 Boyanup, January typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Boyanup

In Boyanup in January humidity is 52%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you can easily enjoy outdoor activities without feeling overheated or sticky.

January Average Humidity in Boyanup

This chart illustrates the average monthly humidity levels in Boyanup, 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 Boyanup is approximately 52%, 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 Boyanup

In Boyanup in January, 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 Boyanup, you can check here.

Maximum UV Index Levels in Boyanup for January

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

Data source: Boyanup 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 Boyanup Compares to Other Months

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

This table compares monthly weather conditions in Boyanup, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (71°F)	8 mm (0.3 inches)	52%	extreme
February Weather	21°C (71°F)	34 mm (1.3 inches)	55%	extreme
March Weather	20°C (69°F)	32 mm (1.3 inches)	59%	extreme
April Weather	17°C (64°F)	33 mm (1.3 inches)	70%	very high
May Weather	14°C (58°F)	73 mm (2.9 inches)	72%	moderate
June Weather	13°C (56°F)	105 mm (4.1 inches)	77%	moderate
July Weather	12°C (55°F)	129 mm (5.1 inches)	77%	moderate
August Weather	12°C (54°F)	107 mm (4.2 inches)	75%	moderate
September Weather	13°C (56°F)	62 mm (2.4 inches)	71%	very high
October Weather	15°C (59°F)	49 mm (1.9 inches)	63%	very high
November Weather	17°C (63°F)	28 mm (1.1 inches)	56%	extreme
December Weather	20°C (69°F)	15 mm (0.6 inches)	53%	extreme