January Weather in Chesterfield, United States

Last updated: June 24, 2025

In January, the average temperature in Chesterfield, United States hovers around 0°C (32°F). Expect chilly days, with minimums dropping to a brisk -22°C (-6°F) and maximums reaching a mild 19°C (67°F). Over the month, precipitation totals approximately 74 mm (2.9 in), typically spread across 7 days, while the average humidity sits comfortably at 82%. Be prepared for a mix of temperatures and moisture this season!

January Temperature in Chesterfield

In January in Chesterfield, the average temperature is 0°C (32°F). Maximum temperatures can reach up to 19°C (67°F), while minimum temperatures can drop as low as -22°C (-6°F). Be prepared for a wide range of temperatures when traveling during this month, and pack accordingly!

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 0°C (32°F), with highs reaching up to 19°C (67°F) and lows dropping to around -22°C (-6°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 74 mm (2.9 in) over a period of 7 days.

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 74 mm (2.9 inches) of precipitation spread over approximately 7 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 82%. With an average temperature of 0°C (32°F), this humidity feels like an icy breath enveloping you, making each step outdoors a challenge as the cold dampness seeps into your clothes, chilling you to the bone and sapping your energy while traveling.

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 82%, 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 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 Chesterfield, you can check the information here.

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 3, 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	0°C (32°F)	74 mm (2.9 inches)	82%	moderate
February Weather	2°C (35°F)	79 mm (3.1 inches)	80%	moderate
March Weather	8°C (47°F)	130 mm (5.1 inches)	80%	high
April Weather	13°C (55°F)	124 mm (4.9 inches)	80%	very high
May Weather	19°C (67°F)	143 mm (5.6 inches)	82%	very high
June Weather	25°C (77°F)	93 mm (3.7 inches)	83%	extreme
July Weather	26°C (80°F)	95 mm (3.7 inches)	81%	very high
August Weather	25°C (76°F)	135 mm (5.3 inches)	80%	very high
September Weather	22°C (72°F)	56 mm (2.2 inches)	76%	very high
October Weather	15°C (59°F)	105 mm (4.1 inches)	76%	high
November Weather	7°C (44°F)	71 mm (2.8 inches)	85%	moderate
December Weather	4°C (39°F)	55 mm (2.2 inches)	86%	moderate