March weather forecast
South Wilmington, IL

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Weather in March

March, the first month of the spring in South Wilmington, is a frosty month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 47.5°F (8.6°C).

Temperature

In March, the average high-temperature increases from a cold 33.6°F (0.9°C) in February to a chilly 47.5°F (8.6°C). Throughout the March nights, South Wilmington encounters a low-temperature of 32.9°F (0.5°C).

Humidity

In South Wilmington, Illinois, the average relative humidity in March is 75%.

Rainfall

In South Wilmington, Illinois, during March, the rain falls for 11 days and regularly aggregates up to 1.34" (34mm) of precipitation. In South Wilmington, Illinois, during the entire year, the rain falls for 140.4 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

Months with snowfall in South Wilmington are January through April, October through December. In South Wilmington, in March, during 5.5 snowfall days, 1.22" (31mm) of snow is typically accumulated. In South Wilmington, during the entire year, snow falls for 38.1 days and aggregates up to 9.13" (232mm) of snow.

Daylight

In March, the average length of the day in South Wilmington is 11h and 58min.
On the first day of March in South Wilmington, 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 7:17 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 March, the average sunshine is 6.2h.

UV index

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 3 in March suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for South Wilmington in March?

In South Wilmington, 47.5°F (8.6°C) is the average high-temperature and 32.9°F (0.5°C) is the average low-temperature during March.

What is the average humidity in March in South Wilmington?

In March, the average relative humidity in South Wilmington, Illinois, is 75%.

How many days does it rain in March in South Wilmington?

In South Wilmington, Illinois, in March, it is raining for 11 days, with typically 1.34" (34mm) of accumulated precipitation.

How many days does it snow in March in South Wilmington?

In South Wilmington, in March, snow falls for 5.5 days, with typically accumulated 1.22" (31mm) of snow.

How many hours of daylight does South Wilmington have in March?

In South Wilmington, the average day length in March is 11h and 58min.

When is the sunrise / sunset in March in South Wilmington?

In March, on the first day of the month, 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 7:17 pm CDT.

When does Daylight Saving Time (DST) start in March in South Wilmington?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Wilmington, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does South Wilmington have in March?

In March, the average sunshine duration in South Wilmington, Illinois, is 6.2h.

What is the UV index reading in March in South Wilmington?

In March, the average daily maximum UV index in South Wilmington, Illinois, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
South Wilmington, IL

Average temperature in March - South Wilmington, IL
  • Average high temperature in March: 47.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in March: 32.9°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in March
South Wilmington, IL

Average pressure in March - South Wilmington, IL
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
South Wilmington, IL

Average wind speed in March - South Wilmington, IL
  • Average wind speed in March: 9.8mph

The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in March
South Wilmington, IL

Average humidity in March - South Wilmington, IL
  • Average humidity in March: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in March
South Wilmington, IL

Average rainfall in March - South Wilmington, IL
  • Average rainfall in March: 1.34"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in March
South Wilmington, IL

Average rainfall days in March - South Wilmington, IL
  • Average rainfall days in March: 11 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in March
South Wilmington, IL

Average snowfall in March - South Wilmington, IL
  • Average snowfall in March: 1.22"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
South Wilmington, IL

Average snowfall days in March - South Wilmington, IL
  • Average snowfall days in March: 5.5 days

The month with the highest number of snowfall days is January (11.5 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
South Wilmington, IL

Average daylight in March / Average sunshine in March - South Wilmington, IL
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in March: 6h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in March
South Wilmington, IL

Average sunshine days in March - South Wilmington, IL
  • Average sunshine days in March: 14.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in March
South Wilmington, IL

Average UV index in March - South Wilmington, 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 and December (UV index 1).

Average cloud cover in March
South Wilmington, IL

Average cloud cover in March - South Wilmington, IL
  • Average cloud cover in March: 49

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in March
South Wilmington, IL

Average visibility in March - South Wilmington, 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).

South Wilmington, Illinois, USA

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