January Weather in Washington Court House, United States

Last updated: June 24, 2025

In January, the average temperature in Washington Court House, United States hovers around 0°C (32°F). Expect chilly lows of -23°C (-10°F) and, on rare occasions, delightful highs of 21°C (70°F). With 78 mm (3.1 in) of precipitation spread over about 9 days, your umbrella might become your best friend. Additionally, the average humidity sits at an impressive 88%, adding to the overall damp chill of the season. Stay warm!

January Temperature in Washington Court House

In January in Washington Court House, the average temperature is 0°C (32°F). The maximum can reach 21°C (70°F) and the minimum can be as low as -23°C (-10°F). It's essential to pack layers for your travels, as you'll experience a wide range of temperatures.

January Weather in Washington Court House: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Washington Court House, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Washington Court House, January typically has an average temperature of 0°C (32°F), with highs reaching up to 21°C (70°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Washington Court House

In Washington Court House in January, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

January Precipitation Trends in Washington Court House

The chart displays monthly precipitation patterns in Washington Court House, 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 Washington Court House, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 9 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 Washington Court House

In Washington Court House in January, humidity is 88%. With an average temperature of 0°C (32°F), this humidity feels like a chilly, damp blanket enveloping you, making travel uncomfortable as every breath seems to carry the weight of the cold moisture, turning each step into a struggle against the biting chill.

January Average Humidity in Washington Court House

This chart illustrates the average monthly humidity levels in Washington Court House, 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 Washington Court House is approximately 88%, 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 Washington Court House

In Washington Court House in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Washington Court House, you can check the information here.

Maximum UV Index Levels in Washington Court House for January

The chart shows the monthly maximum UV Index (UVI) for Washington Court House 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 Washington Court House typically reaches 3, which falls under the moderate exposure category.

Data source: Washington Court House 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 Washington Court House Compares to Other Months

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

This table compares monthly weather conditions in Washington Court House, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	78 mm (3.1 inches)	88%	moderate
February Weather	2°C (36°F)	105 mm (4.1 inches)	88%	moderate
March Weather	6°C (44°F)	128 mm (5.0 inches)	87%	high
April Weather	11°C (53°F)	122 mm (4.8 inches)	85%	very high
May Weather	18°C (65°F)	126 mm (5.0 inches)	81%	very high
June Weather	22°C (72°F)	135 mm (5.3 inches)	82%	very high
July Weather	24°C (76°F)	131 mm (5.2 inches)	81%	very high
August Weather	23°C (74°F)	94 mm (3.7 inches)	73%	very high
September Weather	21°C (69°F)	89 mm (3.5 inches)	73%	very high
October Weather	15°C (58°F)	97 mm (3.8 inches)	78%	high
November Weather	6°C (43°F)	95 mm (3.7 inches)	89%	moderate
December Weather	3°C (37°F)	107 mm (4.2 inches)	87%	moderate