March weather forecast
Somonauk, IL

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Weather in March

The first month of the spring, March, is a chilly month in Somonauk, Illinois, with an average temperature ranging between max 45.7°F (7.6°C) and min 31.1°F (-0.5°C).

Temperature

The start of March brings a rise in the average high-temperature, moving from an icy 32°F (0°C) in February to a frosty 45.7°F (7.6°C). Somonauk experiences an average nighttime temperature of 31.1°F (-0.5°C) in the month of March.

Humidity

The average relative humidity in March is 76%.

Rainfall

In March, the rain falls for 12.8 days. Throughout March, 2.05" (52mm) of precipitation is accumulated. Throughout the year, in Somonauk, there are 162.1 rainfall days, and 33.54" (852mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In March, in Somonauk, it is snowing for 6.1 days. Throughout March, 1.97" (50mm) of snow is accumulated. In Somonauk, during the entire year, snow falls for 43.6 days and aggregates up to 16.73" (425mm) of snow.

Daylight

In Somonauk, the average length of the day in March is 11h and 58min.
On the first day of March in Somonauk, sunrise is at 6:28 am and sunset at 5:45 pm CST. On the last day of the month, sunrise is at 6:37 am and sunset at 7:19 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 in Somonauk is 6.1h.

UV index

The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 3 during March morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the usual temperature for Somonauk in March?

In Somonauk, in March, the average high-temperature is 45.7°F (7.6°C), and the average low-temperature is 31.1°F (-0.5°C).

What is the average humidity in March in Somonauk?

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

How many days does it rain in March in Somonauk?

In Somonauk, Illinois, during March, the rain falls for 12.8 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How many days does it snow in March in Somonauk?

In Somonauk, in March, during 6.1 snowfall days, 1.97" (50mm) of snow is typically accumulated.

How many hours of daylight does Somonauk have in March?

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

What time are sunrise and sunset in March in Somonauk?

In March, on the first day of the month, sunrise is at 6:28 am and sunset at 5:45 pm CST. On the last day of the month, sunrise is at 6:37 am and sunset at 7:19 pm CDT.

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

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

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

How high is the UV index in March in Somonauk?

The average daily maximum UV index in March in Somonauk is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Somonauk, IL

Average temperature in March - Somonauk, IL
  • Average high temperature in March: 45.7°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 (27.5°F).

  • Average low temperature in March: 31.1°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in March
Somonauk, IL

Average pressure in March - Somonauk, 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
Somonauk, IL

Average wind speed in March - Somonauk, IL
  • Average wind speed in March: 9.6mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in March
Somonauk, IL

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

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in March
Somonauk, IL

Average rainfall in March - Somonauk, IL
  • Average rainfall in March: 2.05"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.69").

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Average rainfall days in March
Somonauk, IL

Average rainfall days in March - Somonauk, IL
  • Average rainfall days in March: 12.8 days

The months with the highest number of rainy days are June and July (19.3 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in March
Somonauk, IL

Average snowfall in March - Somonauk, IL
  • Average snowfall in March: 1.97"

The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Somonauk, IL

Average snowfall days in March - Somonauk, IL
  • Average snowfall days in March: 6.1 days

The month with the highest number of snowfall days is January (12.3 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
Somonauk, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
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, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in March
Somonauk, IL

Average sunshine days in March - Somonauk, IL
  • Average sunshine days in March: 14.2 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (8.2 days).

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Average UV index in March
Somonauk, IL

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

The months with the highest UV index are June and August (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
Somonauk, IL

Average cloud cover in March - Somonauk, 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
Somonauk, IL

Average visibility in March - Somonauk, 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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Somonauk, Illinois, USA

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