January Weather in Grafton, Australia

Last updated: August 22, 2025

In January, the average temperature in Grafton, Australia is a delightful 24°C (76°F). Expect a comfortable range, with minimums dipping to 13°C (56°F) and soaring to a peak of 38°C (100°F). However, be prepared for a touch of moisture, as precipitation averages around 79 mm (3.1 in) over 11 days. With an average humidity of 78%, you’ll feel the warmth envelop you during this vibrant month!

January Temperature in Grafton

In January in Grafton, the average temperature is 24°C (76°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 13°C (56°F). It's a perfect time for travelers to enjoy both warm and cool experiences in Grafton.

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

The chart illustrates January temperature patterns in Grafton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grafton, January typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 13°C (56°F).

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

January Precipitation in Grafton

In Grafton in January, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 days.

January Precipitation Trends in Grafton

The chart displays monthly precipitation patterns in Grafton, 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 Grafton, January typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 11 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 Grafton

In Grafton in January, humidity is 78%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel sticky and uncomfortable, potentially leading to fatigue for travelers.

January Average Humidity in Grafton

This chart illustrates the average monthly humidity levels in Grafton, 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 Grafton is approximately 78%, 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 Grafton

In Grafton 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 Grafton.

Maximum UV Index Levels in Grafton for January

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

Data source: Grafton 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 Grafton Compares to Other Months

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

This table compares monthly weather conditions in Grafton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	79 mm (3.1 inches)	78%	extreme
February Weather	24°C (75°F)	153 mm (6.0 inches)	80%	extreme
March Weather	22°C (72°F)	191 mm (7.5 inches)	80%	extreme
April Weather	19°C (67°F)	47 mm (1.8 inches)	78%	very high
May Weather	16°C (62°F)	35 mm (1.4 inches)	73%	high
June Weather	14°C (57°F)	54 mm (2.1 inches)	71%	moderate
July Weather	13°C (56°F)	33 mm (1.3 inches)	70%	moderate
August Weather	14°C (57°F)	20 mm (0.8 inches)	71%	high
September Weather	17°C (63°F)	24 mm (0.9 inches)	69%	very high
October Weather	19°C (67°F)	112 mm (4.4 inches)	71%	extreme
November Weather	21°C (70°F)	67 mm (2.6 inches)	76%	extreme
December Weather	23°C (74°F)	176 mm (6.9 inches)	80%	extreme