March weather forecast
Smithfield, IL

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Weather in March

The first month of the spring, March, is a frosty month in Smithfield, Illinois, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 49.6°F (9.8°C).

Temperature

March's arrival brings a temperature shift, moving from a cold 36.3°F (2.4°C) in February to a chilly 49.6°F (9.8°C). Smithfield experiences a nighttime temperature average of 34.3°F (1.3°C) during March.

Humidity

In March, the average relative humidity is 75%.

Rainfall

In Smithfield, during March, the rain falls for 11.9 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 131.7 rainfall days, and 22.48" (571mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Smithfield are January through April, October through December. In March, it is snowing for 3.3 days. Throughout March, 1.34" (34mm) of snow is accumulated. In Smithfield, Illinois, during the entire year, snow falls for 27.4 days and aggregates up to 9.21" (234mm) of snow.

Daylight

In Smithfield, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:33 am and sunset at 5:53 pm CST. On the last day of March, sunrise is at 6:45 am and sunset at 7:25 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 Smithfield, the average sunshine in March is 6.5h.

UV index

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 3 in March, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures?

The average high-temperature and low-temperature during March are 49.6°F (9.8°C) and 34.3°F (1.3°C) respectively.

What is the average humidity in March?

The average relative humidity in March is 75%.

How many days does it rain in March?

In Smithfield, in March, during 11.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

How many days does it snow in March?

In Smithfield, in March, snow falls for 3.3 days, with typically accumulated 1.34" (34mm) of snow.

How many hours of daylight does Smithfield have in March?

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

What time are sunrise and sunset in March?

On the first day of March, sunrise is at 6:33 am and sunset at 5:53 pm CST. On the last day of the month, sunrise is at 6:45 am and sunset at 7:25 pm CDT.

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

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

The average sunshine duration in March is 6.5h.

What is the UV index reading in March?

The average daily maximum UV index in March in Smithfield is 3. A UV Index reading 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
Smithfield, IL

Average temperature in March - Smithfield, IL
  • Average high temperature in March: 49.6°F

The warmest month (with the highest average high temperature) is July (82.8°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 (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in March
Smithfield, IL

Average pressure in March - Smithfield, 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 (29.91"Hg).

Average wind speed in March
Smithfield, IL

Average wind speed in March - Smithfield, IL
  • Average wind speed in March: 10.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in March
Smithfield, IL

Average humidity in March - Smithfield, IL
  • Average humidity in March: 75%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Smithfield, IL

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

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").

Average rainfall days in March
Smithfield, IL

Average rainfall days in March - Smithfield, IL
  • Average rainfall days in March: 11.9 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).

Average snowfall in March
Smithfield, IL

Average snowfall in March - Smithfield, IL
  • Average snowfall in March: 1.34"

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
Smithfield, IL

Average snowfall days in March - Smithfield, IL
  • Average snowfall days in March: 3.3 days

The month with the highest number of snowfall days is January (9.4 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
Smithfield, IL

Average daylight in March / Average sunshine in March - Smithfield, 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 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in March
Smithfield, IL

Average sunshine days in March - Smithfield, IL
  • Average sunshine days in March: 16.3 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in March
Smithfield, IL

Average UV index in March - Smithfield, 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
Smithfield, IL

Average cloud cover in March - Smithfield, IL
  • Average cloud cover in March: 48

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in March
Smithfield, IL

Average visibility in March - Smithfield, 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).

Smithfield, Illinois, USA

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