March weather forecastCharleston, IL
March
Weather in March
The first month of the spring, March, is a cool month in Charleston, Illinois, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 36.1°F (2.3°C).Temperature
March signals a shift in the average high-temperature, moving from February's cold 39°F (3.9°C) to a cool 51.1°F (10.6°C). The low-temperature averages to a wintry 36.1°F (2.3°C) during the nights of March.Humidity
The average relative humidity in March is 76%.Rainfall
In Charleston, during March, the rain falls for 12.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Charleston, during the entire year, the rain falls for 148 days and collects up to 25.63" (651mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Charleston, during March, snow falls for 3.2 days and regularly aggregates up to 1.02" (26mm) of snow. In Charleston, during the entire year, snow falls for 26.6 days and aggregates up to 7.01" (178mm) of snow.Daylight
In Charleston, Illinois, the average length of the day in March is 11h and 59min.On the first day of March, sunrise is at 6:24 am and sunset at 5:45 pm CST. On the last day of the month, sunrise is at 6:37 am and sunset at 7:16 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.
Sunshine
The average sunshine in March is 6.2h.UV index
In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during March translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Charleston, IL
- Average high temperature in March: 51.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in March: 36.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in March
Charleston, IL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Charleston, IL
- Average wind speed in March: 10.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in March
Charleston, IL
- Average humidity in March: 76%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in March
Charleston, IL
- Average rainfall in March: 2.09"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in March
Charleston, IL
- Average rainfall days in March: 12.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in March
Charleston, IL
- Average snowfall in March: 1.02"
The month with the highest snowfall is December (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Charleston, IL
- Average snowfall days in March: 3.2 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Charleston, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in March: 6h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in March
Charleston, IL
- Average sunshine days in March: 15.2 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in March
Charleston, IL
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in March
Charleston, IL
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in March
Charleston, IL
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





