March weather forecast
Plano, IL

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Weather in March

The first month of the spring, March, is a chilly month in Plano, Illinois, with an average temperature fluctuating between 31.3°F (-0.4°C) and 45.9°F (7.7°C).

Temperature

As March arrives, a rise in the average high-temperature is observed, moving from a wintry 32.2°F (0.1°C) in February to a frosty 45.9°F (7.7°C). An average low-temperature of 31.3°F (-0.4°C) is observed in Plano during the March nights.

Humidity

In March, the average relative humidity in Plano, Illinois, is 76%.

Rainfall

In Plano, in March, it is raining for 13.3 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Plano, Illinois, there are 168.3 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In March, in Plano, it is snowing for 6.6 days. Throughout March, 1.73" (44mm) of snow is accumulated. Throughout the year, there are 47.1 snowfall days, and 16.61" (422mm) of snow is accumulated.

Daylight

In Plano, Illinois, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:27 am and sunset at 5:45 pm CST. On the last day of the month, sunrise is at 6:37 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

The average sunshine in March is 6.1h.

UV index

The average daily maximum UV index in March in Plano is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 3 during March translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are March temperatures in Plano?

The high-temperature in Plano, Illinois, during March is 45.9°F (7.7°C) and the low-temperature is 31.3°F (-0.4°C).

What is the average humidity in March in Plano?

In March, the average relative humidity in Plano, Illinois, is 76%.

How much does it rain in Plano in March?

In Plano, during March, the rain falls for 13.3 days and regularly aggregates up to 2.09" (53mm) of precipitation.

How much does it snow in Plano in March?

In Plano, Illinois, in March, snow falls for 6.6 days, with typically accumulated 1.73" (44mm) of snow.

What is the average length of the day in March in Plano?

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

What time are sunrise and sunset in March in Plano?

In March, on the first day of the month, sunrise is at 6:27 am and sunset at 5:45 pm CST. On the last day of the month, in Plano, Illinois, sunrise is at 6:37 am and sunset at 7:18 pm CDT.

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

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 in Plano?

In Plano, the average sunshine duration in March is 6.1h.

How high is the UV index in March in Plano?

In Plano, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Plano, IL

Average temperature in March - Plano, IL
  • Average high temperature in March: 45.9°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in March: 31.3°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in March
Plano, IL

Average pressure in March - Plano, IL
  • Average pressure in March: 30.09"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).

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Average wind speed in March
Plano, IL

Average wind speed in March - Plano, IL
  • Average wind speed in March: 9.5mph

The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in March
Plano, IL

Average humidity in March - Plano, IL
  • Average humidity in March: 76%

The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in March
Plano, IL

Average rainfall in March - Plano, IL
  • Average rainfall in March: 2.09"

The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").

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Average rainfall days in March
Plano, IL

Average rainfall days in March - Plano, IL
  • Average rainfall days in March: 13.3 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).

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Average snowfall in March
Plano, IL

Average snowfall in March - Plano, IL
  • Average snowfall in March: 1.73"

The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Plano, IL

Average snowfall days in March - Plano, IL
  • Average snowfall days in March: 6.6 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in March /
Average sunshine in March
Plano, IL

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in March: 6h and 1min

The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in March
Plano, IL

Average sunshine days in March - Plano, IL
  • Average sunshine days in March: 13.1 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).

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Average UV index in March
Plano, IL

Average UV index in March - Plano, 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).

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Average cloud cover in March
Plano, IL

Average cloud cover in March - Plano, IL
  • Average cloud cover in March: 50

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).

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Average visibility in March
Plano, IL

Average visibility in March - Plano, IL
  • Average visibility in March: 6mi

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

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Plano, Illinois, USA

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