February Weather in Charleston, United States

Last updated: June 24, 2025

In Charleston, United States, the average temperature in February hovers around -5°C (23°F), with extremes ranging from a chilly -26°C (-14°F) to a surprisingly mild 16°C (60°F). During this month, you can expect 81 mm (3.2 in) of precipitation over approximately 10 days, and the air will feel quite damp, with an average humidity level of 88%.

February Temperature in Charleston

In February in Charleston, the average temperature is -5°C (23°F). The maximum can reach 16°C (60°F), while the minimum can drop as low as -26°C (-14°F). Be sure to pack warm clothing if you're planning to travel during this month, as temperatures can vary significantly.

February Weather in Charleston: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Charleston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charleston, February typically has an average temperature of -5°C (23°F), with highs reaching up to 16°C (60°F) and lows dropping to around -26°C (-14°F).

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

February Precipitation in Charleston

In Charleston in February, the precipitation amount is 81 mm (3.2 in) over a span of 10 days.

February Precipitation Trends in Charleston

The chart displays monthly precipitation patterns in Charleston, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Charleston, February typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Charleston

In Charleston in February humidity is 88%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold damp air seeps through layers of clothing, chilling you to the bone.

February Average Humidity in Charleston

This chart illustrates the average monthly humidity levels in Charleston, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Charleston is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Charleston

In Charleston in February, 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 Charleston for better planning.

Maximum UV Index Levels in Charleston for February

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

Data source: Charleston February 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 February Weather in Charleston Compares to Other Months

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

This table compares monthly weather conditions in Charleston, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (21°F)	89 mm (3.5 inches)	88%	low
February Weather	-5°C (23°F)	81 mm (3.2 inches)	88%	moderate
March Weather	-1°C (30°F)	73 mm (2.9 inches)	85%	moderate
April Weather	6°C (43°F)	124 mm (4.9 inches)	81%	high
May Weather	12°C (54°F)	97 mm (3.8 inches)	76%	very high
June Weather	18°C (64°F)	84 mm (3.3 inches)	74%	very high
July Weather	21°C (70°F)	103 mm (4.0 inches)	74%	very high
August Weather	20°C (69°F)	82 mm (3.2 inches)	74%	very high
September Weather	16°C (61°F)	76 mm (3.0 inches)	77%	high
October Weather	10°C (50°F)	126 mm (5.0 inches)	82%	moderate
November Weather	2°C (36°F)	118 mm (4.6 inches)	85%	moderate
December Weather	-4°C (25°F)	113 mm (4.4 inches)	84%	low