March weather forecast
Saint Elmo, IL

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Weather in March

The first month of the spring, March, is a cool month in Saint Elmo, Illinois, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 36.9°F (2.7°C).

Temperature

Saint Elmo's weather in March presents a rise in the average high-temperature, moving from a cold 40.5°F (4.7°C) in February to a fresh 52.2°F (11.2°C). In Saint Elmo, March is marked by an average low-temperature of 36.9°F (2.7°C).

Humidity

In Saint Elmo, the average relative humidity in March is 76%.

Rainfall

In Saint Elmo, in March, during 12.8 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 139.3 rainfall days, and 23.94" (608mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Saint Elmo, in March, snow falls for 2.6 days, with typically accumulated 0.83" (21mm) of snow. In Saint Elmo, during the entire year, snow falls for 18.9 days and aggregates up to 5.24" (133mm) 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 5:48 pm CST. On the last day of March, in Saint Elmo, 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 Saint Elmo, the average sunshine in March is 6.3h.

UV index

In Saint Elmo, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 3 during March leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun. 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 are the temperatures in Saint Elmo in March?

The average high-temperature and low-temperature in Saint Elmo, Illinois, during March are 52.2°F (11.2°C) and 36.9°F (2.7°C) respectively.

What is the average humidity in March in Saint Elmo?

In March, the average relative humidity in Saint Elmo is 76%.

How much does it rain in Saint Elmo in March?

In Saint Elmo, Illinois, in March, during 12.8 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

How much does it snow in Saint Elmo in March?

In Saint Elmo, during March, snow falls for 2.6 days and regularly aggregates up to 0.83" (21mm) of snow.

What is the average length of the day in March in Saint Elmo?

In March, the average day length in Saint Elmo, Illinois, is 11h and 59min.

When is the sunrise / sunset in March in Saint Elmo?

In March, on the first day of the month, sunrise is at 6:26 am and sunset at 5:48 pm CST. On the last day of the month, sunrise is at 6:40 am and sunset at 7:18 pm CDT.

When does Daylight Saving Time (DST) start in March in Saint Elmo?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Saint Elmo, 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 Saint Elmo have in March?

In Saint Elmo, the average sunshine duration in March is 6.3h.

How high is the UV index in March in Saint Elmo?

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Saint Elmo, IL

Average temperature in March - Saint Elmo, IL
  • Average high temperature in March: 52.2°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in March: 36.9°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in March
Saint Elmo, IL

Average pressure in March - Saint Elmo, 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
Saint Elmo, IL

Average wind speed in March - Saint Elmo, IL
  • Average wind speed in March: 10mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in March
Saint Elmo, IL

Average humidity in March - Saint Elmo, IL
  • Average humidity in March: 76%

The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Saint Elmo, IL

Average rainfall in March - Saint Elmo, IL
  • Average rainfall in March: 1.93"

The wettest months (with the highest rainfall) are April and June (2.95").
The driest month (with the least rainfall) is February (1.18").

Average rainfall days in March
Saint Elmo, IL

Average rainfall days in March - Saint Elmo, IL
  • Average rainfall days in March: 12.8 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in March
Saint Elmo, IL

Average snowfall in March - Saint Elmo, IL
  • Average snowfall in March: 0.83"

The month with the highest snowfall is December (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Saint Elmo, IL

Average snowfall days in March - Saint Elmo, IL
  • Average snowfall days in March: 2.6 days

The month with the highest number of snowfall days is January (5.7 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
Saint Elmo, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in March: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in March
Saint Elmo, IL

Average sunshine days in March - Saint Elmo, IL
  • Average sunshine days in March: 15.3 days

The months with the most sunshine days are January and November (19.5 days).
The months with the least sunshine days are May and July (12.3 days).

Average UV index in March
Saint Elmo, IL

Average UV index in March - Saint Elmo, 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, February, November and December (UV index 2).

Average cloud cover in March
Saint Elmo, IL

Average cloud cover in March - Saint Elmo, IL
  • Average cloud cover in March: 48

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in March
Saint Elmo, IL

Average visibility in March - Saint Elmo, 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).

Saint Elmo, Illinois, USA

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