January Weather in Blanchester, United States

Last updated: June 24, 2025

In January, the average temperature in Blanchester, United States hovers around 0°C (33°F), with a minimum dipping as low as -25°C (-14°F) and a maximum reaching up to 20°C (69°F). Expect a significant amount of precipitation, averaging 84 mm (3.3 in) over about 10 days of rain. The average humidity during this time is notably high at 88%, creating a crisp and chilly atmosphere.

January Temperature in Blanchester

In January in Blanchester, the average temperature is 0°C (33°F), with maximums reaching 20°C (69°F) and minimums plummeting to -25°C (-14°F). Travelers should be prepared for a wide range of temperatures, from chilly to surprisingly warm during the day.

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

The chart illustrates January temperature patterns in Blanchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blanchester, January typically has an average temperature of 0°C (33°F), with highs reaching up to 20°C (69°F) and lows dropping to around -25°C (-14°F).

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

January Precipitation in Blanchester

In Blanchester in January, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

January Precipitation Trends in Blanchester

The chart displays monthly precipitation patterns in Blanchester, 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 Blanchester, January typically receives around 84 mm (3.3 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 Blanchester

In Blanchester in January, humidity is 88%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Blanchester

This chart illustrates the average monthly humidity levels in Blanchester, 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 Blanchester 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 Blanchester

In Blanchester 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 Blanchester, you can check the information here.

Maximum UV Index Levels in Blanchester for January

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

Data source: Blanchester 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 Blanchester Compares to Other Months

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

This table compares monthly weather conditions in Blanchester, 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 (33°F)	84 mm (3.3 inches)	88%	moderate
February Weather	2°C (37°F)	112 mm (4.4 inches)	88%	moderate
March Weather	7°C (45°F)	142 mm (5.6 inches)	87%	high
April Weather	12°C (54°F)	128 mm (5.0 inches)	85%	very high
May Weather	18°C (65°F)	131 mm (5.2 inches)	81%	very high
June Weather	23°C (73°F)	131 mm (5.2 inches)	82%	very high
July Weather	25°C (77°F)	118 mm (4.6 inches)	81%	very high
August Weather	23°C (74°F)	82 mm (3.2 inches)	73%	very high
September Weather	21°C (70°F)	87 mm (3.4 inches)	73%	very high
October Weather	15°C (59°F)	97 mm (3.8 inches)	78%	high
November Weather	6°C (43°F)	102 mm (4.0 inches)	89%	moderate
December Weather	3°C (38°F)	118 mm (4.6 inches)	87%	moderate