Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
As March arrives, Mount Vernon's weather shows an increase in high-temperatures, moving from February's icy 42.4°F (5.8°C) to a fresh 54.3°F (12.4°C). During the month of March, an average low-temperature of 38.3°F (3.5°C) is recorded.Humidity
The average relative humidity in March is 77%.Rainfall
In Mount Vernon, in March, during 14.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Mount Vernon, Illinois, during the entire year, the rain falls for 145.8 days and collects up to 29.13" (740mm) of precipitation.Snowfall
Months with snowfall in Mount Vernon, Illinois, are January through April, November and December. In Mount Vernon, in March, during 1.8 snowfall days, 1.02" (26mm) of snow is typically accumulated. In Mount Vernon, during the entire year, snow falls for 15.4 days and aggregates up to 5.87" (149mm) of snow.Daylight
In March, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 6:26 am and sunset at 5:49 pm CST. On the last day of March, sunrise is at 6:40 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
In Mount Vernon, the average sunshine in March is 6.5h.UV index
In Mount Vernon, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during March translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mount Vernon in March?
What is the average humidity in March in Mount Vernon?
How many days does it rain in March in Mount Vernon?
How much does it snow in Mount Vernon in March?
How many hours of daylight does Mount Vernon have in March?
What time are sunrise and sunset in March in Mount Vernon?
When does Daylight Saving Time (DST) start in March in Mount Vernon?
How long on average sun shines in March in Mount Vernon?
What is the UV index reading in March in Mount Vernon?
Average temperature in March
Mount Vernon, IL
- Average high temperature in March: 54.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in March: 38.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in March
Mount Vernon, IL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Mount Vernon, IL
- Average wind speed in March: 9.8mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in March
Mount Vernon, IL
- Average humidity in March: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Mount Vernon, IL
- Average rainfall in March: 2.6"
The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in March
Mount Vernon, IL
- Average rainfall days in March: 14.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in March
Mount Vernon, IL
- Average snowfall in March: 1.02"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Mount Vernon, IL
- Average snowfall days in March: 1.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Mount Vernon, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 6h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in March
Mount Vernon, IL
- Average sunshine days in March: 14.8 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in March
Mount Vernon, IL
- Average UV index in March: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in March
Mount Vernon, IL
- Average cloud cover in March: 47
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in March
Mount Vernon, IL
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mount Vernon, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location