March weather forecastDe Witt, IL
March
Weather in March
March, the first month of the spring in De Witt, is a chilly month, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 49.3°F (9.6°C).Temperature
The start of March brings a shift in the average high-temperature, increasing from February's cold 36.3°F (2.4°C) to a frosty 49.3°F (9.6°C). The average nighttime temperature lowers to an icy 34.3°F (1.3°C) throughout March.Humidity
The average relative humidity in March in De Witt is 75%.Rainfall
In De Witt, Illinois, in March, it is raining for 12.3 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 138.7 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In De Witt, in March, during 2.9 snowfall days, 1.5" (38mm) of snow is typically accumulated. Throughout the year, there are 27.3 snowfall days, and 9.09" (231mm) of snow is accumulated.Daylight
The average length of the day in March in De Witt is 11h and 59min.On the first day of March, sunrise is at 6:27 am and sunset at 5:47 pm CST. On the last day of the month, sunrise is at 6:39 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 6.4h.UV index
In De Witt, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in March leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. 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
De Witt, IL
- Average high temperature in March: 49.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in March: 34.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in March
De Witt, IL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in March
De Witt, IL
- Average wind speed in March: 10.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in March
De Witt, IL
- Average humidity in March: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in March
De Witt, IL
- Average rainfall in March: 1.69"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in March
De Witt, IL
- Average rainfall days in March: 12.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in March
De Witt, IL
- Average snowfall in March: 1.5"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
De Witt, IL
- Average snowfall days in March: 2.9 days
The month with the highest number of snowfall days is January (9.6 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
De Witt, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in March: 6h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in March
De Witt, IL
- Average sunshine days in March: 15.9 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in March
De Witt, IL
- Average UV index in March: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
De Witt, IL
- Average cloud cover in March: 48
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in March
De Witt, 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).





