March weather forecastSaint Charles, IL
March
Weather in March
The first month of the spring, March, is a chilly month in Saint Charles, Illinois, with an average temperature fluctuating between 44.8°F (7.1°C) and 30.6°F (-0.8°C).Temperature
The commencement of March sees a shift in the average high-temperature, moving from a freezing cold 31.8°F (-0.1°C) in February to a chilly 44.8°F (7.1°C). Throughout March, Saint Charles experiences a low-temperature average of 30.6°F (-0.8°C).Humidity
In Saint Charles, the average relative humidity in March is 76%.Rainfall
In March, the rain falls for 8.2 days. Throughout March, 0.47" (12mm) of precipitation is accumulated. In Saint Charles, during the entire year, the rain falls for 101.9 days and collects up to 8.58" (218mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Saint Charles, in March, snow falls for 4.3 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 28.3 snowfall days, and 3.74" (95mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March in Saint Charles, sunrise is at 6:26 am and sunset at 5:44 pm CST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:18 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 6.1h.UV index
The average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 3 during March, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Saint Charles, IL
- Average high temperature in March: 44.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in March: 30.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in March
Saint Charles, IL
- Average pressure in March: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in March
Saint Charles, IL
- Average wind speed in March: 9.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in March
Saint Charles, IL
- Average humidity in March: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in March
Saint Charles, IL
- Average rainfall in March: 0.47"
The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are November and December (0.39").
Average rainfall days in March
Saint Charles, IL
- Average rainfall days in March: 8.2 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in March
Saint Charles, IL
- Average snowfall in March: 0.31"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Saint Charles, IL
- Average snowfall days in March: 4.3 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Saint Charles, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in March: 6h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in March
Saint Charles, IL
- Average sunshine days in March: 19.5 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in March
Saint Charles, IL
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in March
Saint Charles, IL
- Average cloud cover in March: 51
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in March
Saint Charles, IL
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
