February Weather in Charleston, United States

Last updated: June 24, 2025

In February, the average temperature in Charleston, United States hovers around 5°C (42°F). Temperatures can fluctuate dramatically, with a minimum of -17°C (2°F) and a maximum reaching 27°C (81°F). Expect around 152 mm (6.0 in) of precipitation spread over 15 days, resulting in a notably high average humidity of 88%.

February Temperature in Charleston

In February in Charleston, the average temperature is 5°C (42°F). Maximum temperatures can reach 27°C (81°F), while minimums can drop as low as -17°C (2°F). Be prepared for a wide range of weather conditions during your travels, and pack accordingly!

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 (42°F), with highs reaching up to 27°C (81°F) and lows dropping to around -17°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 152 mm (6.0 in) over the course of 15 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 152 mm (6.0 inches) of precipitation spread over approximately 15 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 (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.

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 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	2°C (37°F)	101 mm (4.0 inches)	88%	moderate
February Weather	5°C (42°F)	152 mm (6.0 inches)	88%	moderate
March Weather	9°C (48°F)	119 mm (4.7 inches)	88%	high
April Weather	13°C (56°F)	134 mm (5.3 inches)	86%	very high
May Weather	19°C (66°F)	159 mm (6.3 inches)	82%	very high
June Weather	22°C (72°F)	154 mm (6.1 inches)	84%	very high
July Weather	25°C (77°F)	124 mm (4.9 inches)	82%	very high
August Weather	23°C (74°F)	114 mm (4.5 inches)	73%	very high
September Weather	21°C (70°F)	103 mm (4.0 inches)	73%	very high
October Weather	16°C (61°F)	117 mm (4.6 inches)	81%	high
November Weather	8°C (46°F)	78 mm (3.1 inches)	89%	moderate
December Weather	5°C (41°F)	124 mm (4.9 inches)	86%	moderate