January Weather in Chesterfield, United States

Last updated: June 24, 2025

In January, the average temperature in Chesterfield, United States hovers around 8°C (46°F), with extremes ranging from a chilly -11°C (13°F) to a balmy 26°C (79°F). Expect 92 mm (3.6 inches) of precipitation over approximately 9 days, accompanied by a high average humidity of 86%. Prepare for a month where weather conditions can vary significantly!

January Temperature in Chesterfield

In January in Chesterfield, the average temperature is 8°C (46°F). Maximum can reach 26°C (79°F) and minimum can be as low as -11°C (13°F). Travelers should be prepared for a wide range of temperatures when visiting during this time.

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

The chart illustrates January temperature patterns in Chesterfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chesterfield, January typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around -11°C (13°F).

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

January Precipitation in Chesterfield

In Chesterfield in January, the precipitation amount is 92 mm (3.6 in) during 9 days, indicating a relatively wet period for the region.

January Precipitation Trends in Chesterfield

The chart displays monthly precipitation patterns in Chesterfield, 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 Chesterfield, January typically receives around 92 mm (3.6 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 Chesterfield

In Chesterfield in January humidity is 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

January Average Humidity in Chesterfield

This chart illustrates the average monthly humidity levels in Chesterfield, 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 Chesterfield is approximately 86%, 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 Chesterfield

In Chesterfield 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 Chesterfield for better planning.

Maximum UV Index Levels in Chesterfield for January

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

Data source: Chesterfield 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 Chesterfield Compares to Other Months

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

This table compares monthly weather conditions in Chesterfield, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	92 mm (3.6 inches)	86%	moderate
February Weather	11°C (52°F)	105 mm (4.1 inches)	85%	high
March Weather	13°C (56°F)	77 mm (3.0 inches)	84%	very high
April Weather	18°C (64°F)	100 mm (3.9 inches)	82%	very high
May Weather	22°C (73°F)	112 mm (4.4 inches)	83%	extreme
June Weather	25°C (78°F)	133 mm (5.2 inches)	82%	extreme
July Weather	27°C (81°F)	119 mm (4.7 inches)	80%	extreme
August Weather	26°C (80°F)	130 mm (5.1 inches)	74%	very high
September Weather	24°C (76°F)	156 mm (6.2 inches)	75%	very high
October Weather	19°C (67°F)	68 mm (2.7 inches)	79%	very high
November Weather	12°C (53°F)	71 mm (2.8 inches)	87%	high
December Weather	9°C (49°F)	125 mm (4.9 inches)	87%	moderate