January Weather in Charlton, United States

Last updated: June 24, 2025

In January, the average temperature in Charlton, United States hovers around -2°C (29°F). During this month, temperatures can dip as low as -22°C (-8°F) or rise to a maximum of 18°C (65°F). Expect about 73 mm (2.9 in) of precipitation over 8 days, contributing to an average humidity of 86%.

January Temperature in Charlton

In January in Charlton, the average temperature is -2°C (29°F). Maximum temperatures can reach up to 18°C (65°F), while minimums can drop as low as -22°C (-8°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Charlton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charlton, January typically has an average temperature of -2°C (29°F), with highs reaching up to 18°C (65°F) and lows dropping to around -22°C (-8°F).

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

January Precipitation in Charlton

In Charlton in January, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

January Precipitation Trends in Charlton

The chart displays monthly precipitation patterns in Charlton, 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 Charlton, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 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 Charlton

In Charlton in January humidity is 86%. With an average temperature of -2°C (29°F), this humidity feels like a damp chill that seeps through layers of clothing, making outdoor activities uncomfortable and travel plans challenging.

January Average Humidity in Charlton

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

In Charlton 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 Charlton, you can check the information here.

Maximum UV Index Levels in Charlton for January

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

Data source: Charlton 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 Charlton Compares to Other Months

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

This table compares monthly weather conditions in Charlton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	73 mm (2.9 inches)	86%	moderate
February Weather	-1°C (31°F)	90 mm (3.6 inches)	84%	moderate
March Weather	2°C (36°F)	87 mm (3.4 inches)	82%	high
April Weather	8°C (47°F)	130 mm (5.1 inches)	80%	very high
May Weather	14°C (58°F)	96 mm (3.8 inches)	72%	very high
June Weather	20°C (68°F)	94 mm (3.7 inches)	72%	very high
July Weather	23°C (73°F)	155 mm (6.1 inches)	67%	very high
August Weather	22°C (72°F)	100 mm (4.0 inches)	66%	very high
September Weather	18°C (65°F)	96 mm (3.8 inches)	71%	very high
October Weather	12°C (55°F)	141 mm (5.6 inches)	78%	high
November Weather	5°C (41°F)	100 mm (4.0 inches)	84%	moderate
December Weather	0°C (32°F)	126 mm (5.0 inches)	81%	low