January Weather in Charles City, United States

Last updated: June 24, 2025

In January, the average temperature in Charles City, United States hovers around 5°C (41°F). Temperatures can vary significantly, dropping to a chilling -19°C (-2°F) at their lowest and soaring to a pleasant 23°C (74°F) at their peak. Expect about 82 mm (3.2 in) of precipitation spread across 8 days, and be prepared for a high average humidity of 84%.

January Temperature in Charles City

In January in Charles City, the average temperature is 5°C (41°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling during this month.

January Weather in Charles City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Charles City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charles City, January typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (74°F) and lows dropping to around -19°C (-2°F).

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

January Precipitation in Charles City

In Charles City in January, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.

January Precipitation Trends in Charles City

The chart displays monthly precipitation patterns in Charles City, 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 Charles City, January typically receives around 82 mm (3.2 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 Charles City

In Charles City in January humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

January Average Humidity in Charles City

This chart illustrates the average monthly humidity levels in Charles City, 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 Charles City is approximately 84%, 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 Charles City

In Charles City 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 Charles City, you can check the information here.

Maximum UV Index Levels in Charles City for January

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

Data source: Charles City 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 Charles City Compares to Other Months

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

This table compares monthly weather conditions in Charles City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	82 mm (3.2 inches)	84%	moderate
February Weather	8°C (46°F)	103 mm (4.0 inches)	83%	high
March Weather	10°C (51°F)	86 mm (3.4 inches)	82%	high
April Weather	16°C (60°F)	103 mm (4.0 inches)	81%	very high
May Weather	20°C (69°F)	107 mm (4.2 inches)	80%	very high
June Weather	24°C (76°F)	113 mm (4.5 inches)	82%	very high
July Weather	27°C (81°F)	119 mm (4.7 inches)	81%	extreme
August Weather	26°C (79°F)	155 mm (6.1 inches)	81%	very high
September Weather	23°C (74°F)	108 mm (4.2 inches)	78%	very high
October Weather	18°C (65°F)	116 mm (4.6 inches)	80%	very high
November Weather	10°C (51°F)	78 mm (3.1 inches)	84%	moderate
December Weather	7°C (45°F)	88 mm (3.5 inches)	84%	moderate