March weather forecast
Glen Carbon, IL

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Weather in March

The first month of the spring, March, is a fresh month in Glen Carbon, Illinois, with an average temperature fluctuating between 54.1°F (12.3°C) and 37.8°F (3.2°C).

Temperature

The shift into March is accompanied by a temperature increase, with the average high-temperature rising from an icy 42.1°F (5.6°C) in February to a fresh 54.1°F (12.3°C). In the month of March, the temperature in Glen Carbon generally rests at an average low of 37.8°F (3.2°C).

Humidity

In March, the average relative humidity is 76%.

Rainfall

In Glen Carbon, in March, it is raining for 13.9 days, with typically 2.6" (66mm) of accumulated precipitation. In Glen Carbon, during the entire year, the rain falls for 149.9 days and collects up to 33.94" (862mm) of precipitation.

Snowfall

January through March, September, November and December are months with snowfall in Glen Carbon. March is the last month it regularly snows in Glen Carbon. During 2.2 snowfall days, in March, Glen Carbon aggregates 0.94" (24mm) of snow. In Glen Carbon, during the entire year, snow falls for 20.7 days and aggregates up to 7.13" (181mm) of snow.

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of March, sunrise is at 6:30 am and sunset at 5:53 pm CST. On the last day of the month, sunrise is at 6:44 am and sunset at 7:22 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 in Glen Carbon is 6.5h.

UV index

In Glen Carbon, Illinois, 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 radiation for the average person.
Note: During March, 4 as the daily maximum UV index converts into the following advice:
Be vigilant - Preventing sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Glen Carbon in March?

Glen Carbon in March has an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 37.8°F (3.2°C).

What is the average humidity in March in Glen Carbon?

In March, the average relative humidity is 76%.

How much does it rain in Glen Carbon in March?

In Glen Carbon, in March, it is raining for 13.9 days, with typically 2.6" (66mm) of accumulated precipitation.

What is the last month it snows in Glen Carbon?

March is the last month it regularly snows in Glen Carbon. During 2.2 snowfall days, in March, Glen Carbon aggregates 0.94" (24mm) of snow.

How many hours of daylight does Glen Carbon have in March?

In March, the average day length is 11h and 59min.

What time are sunrise and sunset in March in Glen Carbon?

On the first day of March in Glen Carbon, sunrise is at 6:30 am and sunset at 5:53 pm CST. On the last day of the month, sunrise is at 6:44 am and sunset at 7:22 pm CDT.

When does Daylight Saving Time (DST) start in March in Glen Carbon?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Glen Carbon, Illinois, 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 Glen Carbon have in March?

In March, the average sunshine duration in Glen Carbon is 6.5h.

What is the UV index intensity in March in Glen Carbon?

The average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Glen Carbon, IL

Average temperature in March - Glen Carbon, IL
  • Average high temperature in March: 54.1°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 (37.4°F).

  • Average low temperature in March: 37.8°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in March
Glen Carbon, IL

Average pressure in March - Glen Carbon, IL
  • Average pressure in March: 30.07"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Glen Carbon, IL

Average wind speed in March - Glen Carbon, IL
  • Average wind speed in March: 9.3mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in March
Glen Carbon, IL

Average humidity in March - Glen Carbon, IL
  • Average humidity in March: 76%

The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Glen Carbon, IL

Average rainfall in March - Glen Carbon, IL
  • Average rainfall in March: 2.6"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.77").

Average rainfall days in March
Glen Carbon, IL

Average rainfall days in March - Glen Carbon, IL
  • Average rainfall days in March: 13.9 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in March
Glen Carbon, IL

Average snowfall in March - Glen Carbon, IL
  • Average snowfall in March: 0.94"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in March
Glen Carbon, IL

Average snowfall days in March - Glen Carbon, IL
  • Average snowfall days in March: 2.2 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in March /
Average sunshine in March
Glen Carbon, IL

Average daylight in March / Average sunshine in March - Glen Carbon, 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 30min).

  • 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
Glen Carbon, IL

Average sunshine days in March - Glen Carbon, IL
  • Average sunshine days in March: 14.3 days

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in March
Glen Carbon, IL

Average UV index in March - Glen Carbon, 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, February, November and December (UV index 2).

Average cloud cover in March
Glen Carbon, IL

Average cloud cover in March - Glen Carbon, IL
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in March
Glen Carbon, IL

Average visibility in March - Glen Carbon, 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).

Glen Carbon, Illinois, USA

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