Charleston International Airport
South Carolina, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Charleston International Airport, SC

Average temperature in March - Charleston International Airport, SC
  • Average high temperature in March: 57°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in March: 34°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average rainfall in March - Charleston International Airport, SC
  • Average rainfall in March: 3.8"

The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the lowest rainfall) is October (2.8").

Average rainfall days in March - Charleston International Airport, SC
  • Average rainfall days in March: 14 days

The month with the highest number of rainy days is January (15 days).
Months with the lowest number of rainy days are September and October (10 days).

Average daylight in March / Average sunshine in March - Charleston International Airport, SC
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in March: 6h

Months with most sunshine are May, June, July and August (Average sunshine: 8h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in March - Charleston International Airport, SC
  • Average UV index in March: 5

Months with the highest UV index are June, July and August (UV index 9).
Months with the lowest UV index are January and December (UV index 2).

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