January Weather in Graysville, United States

Last updated: June 24, 2025

In January, the average temperature in Graysville, United States hovers around 5°C (42°F), with potential extremes ranging from a chilly -13°C (8°F) to a warm 23°C (74°F). Expect 103 mm (4.0 in) of precipitation spread over approximately 10 days, along with an average humidity level of 87%. Prepare accordingly for a month of varied and damp weather!

January Temperature in Graysville

In January in Graysville, the average temperature is 5°C (42°F). Maximum temperatures can reach 23°C (74°F), while minimums can dip as low as -13°C (8°F). Be sure to prepare for a wide range of temperatures when traveling to Graysville during this month.

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

The chart illustrates January temperature patterns in Graysville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Graysville, January typically has an average temperature of 5°C (42°F), with highs reaching up to 23°C (74°F) and lows dropping to around -13°C (8°F).

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

January Precipitation in Graysville

In Graysville in January, the precipitation amount is 103 mm (4.0 in) over a span of 10 days.

January Precipitation Trends in Graysville

The chart displays monthly precipitation patterns in Graysville, 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 Graysville, January typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 10 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 Graysville

In Graysville in January humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.

January Average Humidity in Graysville

This chart illustrates the average monthly humidity levels in Graysville, 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 Graysville is approximately 87%, 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 Graysville

In Graysville in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Graysville for better planning.

Maximum UV Index Levels in Graysville for January

The chart shows the monthly maximum UV Index (UVI) for Graysville 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 Graysville typically reaches 4, which falls under the moderate exposure category.

Data source: Graysville 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 Graysville Compares to Other Months

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

This table compares monthly weather conditions in Graysville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	103 mm (4.0 inches)	87%	moderate
February Weather	8°C (47°F)	173 mm (6.8 inches)	87%	high
March Weather	11°C (53°F)	173 mm (6.8 inches)	85%	very high
April Weather	15°C (59°F)	166 mm (6.5 inches)	82%	very high
May Weather	21°C (69°F)	133 mm (5.2 inches)	83%	extreme
June Weather	24°C (75°F)	119 mm (4.7 inches)	82%	extreme
July Weather	26°C (79°F)	137 mm (5.4 inches)	78%	extreme
August Weather	25°C (77°F)	137 mm (5.4 inches)	67%	very high
September Weather	23°C (74°F)	105 mm (4.1 inches)	64%	very high
October Weather	17°C (64°F)	129 mm (5.1 inches)	74%	high
November Weather	9°C (49°F)	74 mm (2.9 inches)	87%	moderate
December Weather	7°C (45°F)	140 mm (5.5 inches)	88%	moderate