January Weather in Leinster, Australia

Last updated: August 22, 2025

In January, the average temperature in Leinster, Australia reaches a warm 30°C (87°F). While you can enjoy sunny days, be prepared for a range as low as 14°C (58°F) and soaring up to 45°C (114°F). With an average humidity of just 30%, the climate remains comfortable despite occasional rainfall, bringing about 21 mm (0.8 in) of precipitation over 3 days. Embrace the warmth and plan accordingly!

January Temperature in Leinster

In January in Leinster, the average temperature is 30°C (87°F). Maximums can reach 45°C (114°F), while minimums can drop to as low as 14°C (58°F). Travelers should be prepared for both the heat of the day and cooler evenings during their visit.

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

The chart illustrates January temperature patterns in Leinster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leinster, January typically has an average temperature of 30°C (87°F), with highs reaching up to 45°C (114°F) and lows dropping to around 14°C (58°F).

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

January Precipitation in Leinster

In Leinster in January, the precipitation amount is 21 mm (0.8 in) over a period of 3 days.

January Precipitation Trends in Leinster

The chart displays monthly precipitation patterns in Leinster, 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 Leinster, January typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 3 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 Leinster

In Leinster in January, humidity is 30%. With an average temperature of 30°C (87°F), this humidity feels like a warm embrace, making it a pleasant experience for travelers who enjoy vibrant atmospheres and the ease of outdoor exploration.

January Average Humidity in Leinster

This chart illustrates the average monthly humidity levels in Leinster, 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 Leinster is approximately 30%, 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 Leinster

In Leinster in January, 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 Leinster.

Maximum UV Index Levels in Leinster for January

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

Data source: Leinster 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 Leinster Compares to Other Months

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

This table compares monthly weather conditions in Leinster, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	30°C (87°F)	21 mm (0.8 inches)	30%	extreme
February Weather	28°C (83°F)	45 mm (1.8 inches)	40%	extreme
March Weather	27°C (81°F)	41 mm (1.6 inches)	49%	extreme
April Weather	23°C (73°F)	13 mm (0.5 inches)	57%	extreme
May Weather	17°C (62°F)	12 mm (0.5 inches)	68%	high
June Weather	13°C (56°F)	11 mm (0.4 inches)	73%	moderate
July Weather	13°C (56°F)	7 mm (0.3 inches)	67%	high
August Weather	15°C (59°F)	12 mm (0.5 inches)	50%	very high
September Weather	19°C (66°F)	2 mm (0.1 inches)	37%	very high
October Weather	23°C (73°F)	9 mm (0.4 inches)	27%	extreme
November Weather	26°C (80°F)	16 mm (0.6 inches)	26%	extreme
December Weather	29°C (85°F)	6 mm (0.2 inches)	27%	extreme