February Weather in Charleston, United States

Last updated: June 24, 2025

The average temperature in Charleston, United States during February hovers around 7°C (45°F). Expect a temperature range that can dip to a brisk -21°C (-5°F) and soar to a warm 30°C (85°F). This month typically sees a precipitation amount of 116 mm (4.6 in) over 11 days, contributing to an average humidity level of 79%.

February Temperature in Charleston

In February in Charleston, the average temperature is 7°C (45°F). Maximums can reach 30°C (85°F), and minimums can be as low as -21°C (-5°F). Be prepared for a wide range of temperatures when traveling during this time, so 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 7°C (45°F), with highs reaching up to 30°C (85°F) and lows dropping to around -21°C (-5°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 116 mm (4.6 in) over the course of 11 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 116 mm (4.6 inches) of precipitation spread over approximately 11 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 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.

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 79%, 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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Charleston, you can refer to this 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 6, which falls under the high 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	5°C (41°F)	80 mm (3.1 inches)	82%	moderate
February Weather	7°C (45°F)	116 mm (4.6 inches)	79%	high
March Weather	13°C (55°F)	131 mm (5.1 inches)	77%	very high
April Weather	16°C (61°F)	161 mm (6.3 inches)	78%	very high
May Weather	21°C (70°F)	197 mm (7.8 inches)	82%	extreme
June Weather	26°C (78°F)	109 mm (4.3 inches)	81%	extreme
July Weather	28°C (82°F)	87 mm (3.4 inches)	75%	extreme
August Weather	27°C (80°F)	125 mm (4.9 inches)	61%	very high
September Weather	25°C (76°F)	59 mm (2.3 inches)	59%	very high
October Weather	17°C (64°F)	113 mm (4.5 inches)	69%	high
November Weather	10°C (51°F)	76 mm (3.0 inches)	82%	moderate
December Weather	8°C (47°F)	90 mm (3.5 inches)	87%	moderate