January Weather in Mount Pleasant, United States

Last updated: June 24, 2025

In January, the average temperature in Mount Pleasant, United States hovers around -3°C (28°F), with lows reaching a chilly -25°C (-12°F) and highs peaking at 8°C (47°F). Expect 75 mm (2.9 in) of precipitation over approximately 9 days, accompanied by an average humidity of 85%. Bundle up and prepare for a brisk experience!

January Temperature in Mount Pleasant

In January in Mount Pleasant, average temperature is -3°C (28°F). Maximum can reach 8°C (47°F) and minimum can be as low as -25°C (-12°F). Be prepared for a range of chilly temperatures and dress warmly if you plan to visit during this time.

January Weather in Mount Pleasant: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mount Pleasant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Pleasant, January typically has an average temperature of -3°C (28°F), with highs reaching up to 8°C (47°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in Mount Pleasant

In Mount Pleasant, in January, the precipitation amount is 75 mm (2.9 in) spread over the course of 9 days.

January Precipitation Trends in Mount Pleasant

The chart displays monthly precipitation patterns in Mount Pleasant, 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 Mount Pleasant, January typically receives around 75 mm (2.9 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 Mount Pleasant

In Mount Pleasant in January, humidity is 85%. With an average temperature of -3°C (28°F), this humidity feels like an icy weight upon your skin, making every breath a sharp reminder of the cold. Traveling in such conditions can be challenging, as the dampness seeps into your clothes and chills you to the bone, leaving you seeking warmth at every turn.

January Average Humidity in Mount Pleasant

This chart illustrates the average monthly humidity levels in Mount Pleasant, 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 Mount Pleasant is approximately 85%, 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 Mount Pleasant

In Mount Pleasant in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Mount Pleasant, you can visit Hourly UV Index in Mount Pleasant.

Maximum UV Index Levels in Mount Pleasant for January

The chart shows the monthly maximum UV Index (UVI) for Mount Pleasant 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 Mount Pleasant typically reaches 2, which falls under the low exposure category.

Data source: Mount Pleasant 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 Mount Pleasant Compares to Other Months

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

This table compares monthly weather conditions in Mount Pleasant, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	75 mm (2.9 inches)	85%	low
February Weather	-2°C (28°F)	74 mm (2.9 inches)	85%	moderate
March Weather	1°C (34°F)	76 mm (3.0 inches)	85%	moderate
April Weather	4°C (40°F)	112 mm (4.4 inches)	85%	very high
May Weather	8°C (47°F)	148 mm (5.8 inches)	78%	very high
June Weather	15°C (59°F)	87 mm (3.4 inches)	80%	very high
July Weather	20°C (69°F)	61 mm (2.4 inches)	78%	very high
August Weather	21°C (71°F)	58 mm (2.3 inches)	76%	very high
September Weather	19°C (66°F)	86 mm (3.4 inches)	79%	high
October Weather	12°C (54°F)	143 mm (5.6 inches)	83%	moderate
November Weather	4°C (40°F)	68 mm (2.7 inches)	88%	moderate
December Weather	1°C (34°F)	64 mm (2.5 inches)	81%	low