February Weather in Charleston, United States

Last updated: June 24, 2025

In February, the average temperature in Charleston, United States hovers around 1°C (33°F). Expect a chill with minimums dropping to -19°C (-2°F), while the mercury can soar to 22°C (72°F) on warmer days. Precipitation amounts to 79 mm (3.1 in) over approximately 10 days, contributing to an average humidity of 82%. Prepare for brisk days and the occasional drizzle!

February Temperature in Charleston

In February in Charleston, the average temperature is 1°C (33°F). The maximum can reach 22°C (72°F), and the minimum can be as low as -19°C (-2°F). Be prepared for fluctuating temperatures and pack accordingly for your trip!

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 1°C (33°F), with highs reaching up to 22°C (72°F) and lows dropping to around -19°C (-2°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 79 mm (3.1 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 79 mm (3.1 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 82%. With an average temperature of 1°C (33°F), this humidity feels like a biting chill that dampens your clothes and makes each breath a bit heavier, making travel uncomfortable and necessitating extra layers for warmth and protection against the moisture.

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 82%, 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 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Charleston.

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 5, 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	-1°C (30°F)	78 mm (3.1 inches)	84%	moderate
February Weather	1°C (33°F)	79 mm (3.1 inches)	82%	moderate
March Weather	7°C (44°F)	125 mm (4.9 inches)	84%	high
April Weather	12°C (53°F)	117 mm (4.6 inches)	83%	very high
May Weather	19°C (66°F)	135 mm (5.3 inches)	80%	very high
June Weather	24°C (76°F)	110 mm (4.3 inches)	83%	extreme
July Weather	25°C (78°F)	116 mm (4.6 inches)	82%	very high
August Weather	24°C (75°F)	123 mm (4.8 inches)	82%	very high
September Weather	21°C (71°F)	67 mm (2.6 inches)	79%	very high
October Weather	14°C (58°F)	115 mm (4.5 inches)	79%	high
November Weather	6°C (42°F)	89 mm (3.5 inches)	88%	moderate
December Weather	3°C (37°F)	65 mm (2.6 inches)	87%	moderate