March weather forecast
Freeport, IL

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Weather in March

The weather morphs gradually in March with a slight inclination towards more temperate conditions. This coincides with the arrival of daylight saving time, leading to the extension of daylight hours. Snowfall drastically descends to 1.26" (32mm), signaling the tapering off of winter. Elements of the city start to thaw, marking the prelude to spring. This intermission period brings about warmer days and cooler nights, permitting a wider range of outdoor activities.

Temperature

As Freeport transitions into March, a marked increase in the average high-temperature is observed, rising from a subzero cold 29.5°F (-1.4°C) in February to a frosty 43.9°F (6.6°C). An average low-temperature of 28.9°F (-1.7°C) is common in Freeport during the nights of March.

Humidity

In Freeport, the average relative humidity in March is 78%.

Rainfall

In Freeport, during March, the rain falls for 11.4 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Freeport, Illinois, during the entire year, the rain falls for 138 days and collects up to 19.69" (500mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In March, it is snowing for 5.5 days. Throughout March, 1.26" (32mm) of snow is accumulated. Throughout the year, there are 41.8 snowfall days, and 10.43" (265mm) of snow is accumulated.

Daylight

In Freeport, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:32 am and sunset at 5:48 pm CST. On the last day of the month, sunrise is at 6:41 am and sunset at 7:23 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

In March, the average daily maximum UV index in Freeport, Illinois, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 3 in March, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

Is it cold in Freeport during March?

The high-temperature in Freeport, Illinois, during March is 43.9°F (6.6°C) and the low-temperature is 28.9°F (-1.7°C).

What is the average humidity in March in Freeport?

The average relative humidity in March in Freeport, Illinois, is 78%.

How much does it rain in Freeport in March?

In Freeport, Illinois, during March, the rain falls for 11.4 days and regularly aggregates up to 1.06" (27mm) of precipitation.

How much does it snow in Freeport in March?

In March, in Freeport, Illinois, it is snowing for 5.5 days. Throughout March, 1.26" (32mm) of snow is accumulated.

How many hours of daylight does Freeport have in March?

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

When are sunrise and sunset in March in Freeport?

On the first day of March, sunrise is at 6:32 am and sunset at 5:48 pm CST. On the last day of the month, sunrise is at 6:41 am and sunset at 7:23 pm CDT.

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

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

The average sunshine duration in March is 6.1h.

What is the UV index reading in March in Freeport?

The average daily maximum UV index in March in Freeport, Illinois, is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Freeport, IL

Average temperature in March - Freeport, IL
  • Average high temperature in March: 43.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in March: 28.9°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in March
Freeport, IL

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

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Average wind speed in March
Freeport, IL

Average wind speed in March - Freeport, IL
  • Average wind speed in March: 9.8mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in March
Freeport, IL

Average humidity in March - Freeport, IL
  • Average humidity in March: 78%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in March
Freeport, IL

Average rainfall in March - Freeport, IL
  • Average rainfall in March: 1.06"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").

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Average rainfall days in March
Freeport, IL

Average rainfall days in March - Freeport, IL
  • Average rainfall days in March: 11.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).

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Average snowfall in March
Freeport, IL

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

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Freeport, IL

Average snowfall days in March - Freeport, IL
  • Average snowfall days in March: 5.5 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Freeport, 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 6min).

  • Average sunshine in March: 6h and 1min

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

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Average sunshine days in March
Freeport, IL

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

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in March
Freeport, IL

Average UV index in March - Freeport, IL
  • Average UV index in March: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in March
Freeport, IL

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

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in March
Freeport, IL

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

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

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Freeport, Illinois, USA

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