March weather forecast
Normal, IL

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Weather in March

As March enters, Normal begins to wave goodbye to the harsh winter. While still lower than spring and summer levels, the average temperature climbs significantly from the winter months. Sharp declines in snowfall rates are observed, cascading down to just 1.26" (32mm). The increased daylight hours uplift the city atmosphere, presaging the imminent arrival of spring. A noticeable uptick in relative humidity signals that March is still a transition season before full-blown spring.

Temperature

An escalation in the average high-temperature is seen with the onset of March, moving from an icy 35.6°F (2°C) in February to a frosty 48.7°F (9.3°C). During March, Normal sees a mean low-temperature of 34°F (1.1°C).

Humidity

The average relative humidity in March in Normal, Illinois, is 75%.

Rainfall

In Normal, in March, it is raining for 11.3 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, in Normal, there are 140.6 rainfall days, and 22.44" (570mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In March, it is snowing for 4.2 days. Throughout March, 1.26" (32mm) of snow is accumulated. Throughout the year, in Normal, there are 35.4 snowfall days, and 9.45" (240mm) of snow is accumulated.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:28 am and sunset at 5:47 pm CST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:20 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 Normal, Illinois, the average sunshine in March is 6.1h.

UV index

In Normal, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 3 in March, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of 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 Normal in March?

The high-temperature, in March, in Normal, is 48.7°F (9.3°C), while the low-temperature averages to 34°F (1.1°C).

What is the average humidity in March in Normal?

The average relative humidity in March in Normal is 75%.

How many days does it rain in March in Normal?

In Normal, Illinois, during March, the rain falls for 11.3 days and regularly aggregates up to 1.65" (42mm) of precipitation.

How much does it snow in Normal in March?

In March, in Normal, Illinois, it is snowing for 4.2 days. Throughout March, 1.26" (32mm) of snow is accumulated.

How many hours of daylight does Normal have in March?

The average day length in March is 11h and 58min.

When are sunrise and sunset in March in Normal?

In March, on the first day of the month, sunrise is at 6:28 am and sunset at 5:47 pm CST. On the last day of the month, in Normal, Illinois, sunrise is at 6:39 am and sunset at 7:20 pm CDT.

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

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

How long on average sun shines in March in Normal?

The average sunshine duration in March is 6.1h.

How high is the UV index in March in Normal?

In Normal, Illinois, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Normal, IL

Average temperature in March - Normal, IL
  • Average high temperature in March: 48.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in March: 34°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in March
Normal, IL

Average pressure in March - Normal, 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
Normal, IL

Average wind speed in March - Normal, IL
  • Average wind speed in March: 10.7mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in March
Normal, IL

Average humidity in March - Normal, 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 (71%).

Average rainfall in March
Normal, IL

Average rainfall in March - Normal, IL
  • Average rainfall in March: 1.65"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in March
Normal, IL

Average rainfall days in March - Normal, IL
  • Average rainfall days in March: 11.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in March
Normal, IL

Average snowfall in March - Normal, IL
  • Average snowfall in March: 1.26"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
Normal, IL

Average snowfall days in March - Normal, IL
  • Average snowfall days in March: 4.2 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
Normal, IL

Average daylight in March / Average sunshine in March - Normal, 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 18min).

  • Average sunshine in March: 6h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in March
Normal, IL

Average sunshine days in March - Normal, IL
  • Average sunshine days in March: 15.3 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.7 days).

Average UV index in March
Normal, IL

Average UV index in March - Normal, 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
Normal, IL

Average cloud cover in March - Normal, IL
  • Average cloud cover in March: 51

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in March
Normal, IL

Average visibility in March - Normal, 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).

Normal, Illinois, USA

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