February weather forecast
Deerfield, IL

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Weather in February

The last month of the winter, February, is also a subzero cold month in Deerfield, Illinois, with an average temperature varying between 31.3°F (-0.4°C) and 21.6°F (-5.8°C).

Temperature

As January turns into February, the average high-temperatures rest at a still subzero cold 31.3°F (-0.4°C), showing a minor variation from the prior month. During the month of February, Deerfield anticipates a mean low-temperature of 21.6°F (-5.8°C).

Humidity

January and February, with an average relative humidity of 82%, are the most humid months.

Rainfall

In February, the rain falls for 5.9 days. Throughout February, 1.54" (39mm) of precipitation is accumulated. In Deerfield, Illinois, during the entire year, the rain falls for 154.1 days and collects up to 30.24" (768mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Deerfield, in February, snow falls for 9.5 days, with typically accumulated 3.35" (85mm) of snow. In Deerfield, during the entire year, snow falls for 42.9 days and aggregates up to 13.82" (351mm) of snow.

Daylight

In February, the average length of the day in Deerfield is 10h and 36min.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:05 pm. On the last day of February, in Deerfield, Illinois, sunrise is at 6:26 am and sunset at 5:40 pm CST.

Sunshine

In Deerfield, the average sunshine in February is 3.9h.

UV index

In February, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 2 during February, leads to the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is it in Deerfield in February?

Deerfield in February has an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 21.6°F (-5.8°C).

What are the most humid months in Deerfield?

January and February, with an average relative humidity of 82%, are most humid months in Deerfield.

What is the average humidity in February in Deerfield?

The average relative humidity in February in Deerfield is 82%.

How much does it rain in Deerfield in February?

In February, in Deerfield, Illinois, the rain falls for 5.9 days. Throughout February, 1.54" (39mm) of precipitation is accumulated.

How many days does it snow in February in Deerfield?

In Deerfield, Illinois, in February, snow falls for 9.5 days, with typically accumulated 3.35" (85mm) of snow.

How many hours of daylight does Deerfield have in February?

In February, the average day length in Deerfield, Illinois, is 10h and 36min.

When is the sunrise / sunset in February in Deerfield?

In February, on the first day of the month, sunrise is at 7:04 am and sunset at 5:05 pm. On the last day of the month, in Deerfield, Illinois, sunrise is at 6:26 am and sunset at 5:40 pm CST.

How long on average sun shines in February in Deerfield?

In Deerfield, Illinois, the average sunshine duration in February is 3.9h.

How high is the UV index in February in Deerfield?

In Deerfield, the average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a low health threat 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 February
Deerfield, IL

Average temperature in February - Deerfield, IL
  • Average high temperature in February: 31.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in February: 21.6°F

The months with the highest average low temperature are July and August (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in February
Deerfield, IL

Average pressure in February - Deerfield, IL
  • Average pressure in February: 30.09"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in February
Deerfield, IL

Average wind speed in February - Deerfield, IL
  • Average wind speed in February: 11.6mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

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Average humidity in February
Deerfield, IL

Average humidity in February - Deerfield, IL
  • Average humidity in February: 82%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in February
Deerfield, IL

Average rainfall in February - Deerfield, IL
  • Average rainfall in February: 1.54"

The wettest months (with the highest rainfall) are May and June (3.82").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in February
Deerfield, IL

Average rainfall days in February - Deerfield, IL
  • Average rainfall days in February: 5.9 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in February
Deerfield, IL

Average snowfall in February - Deerfield, IL
  • Average snowfall in February: 3.35"

The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in February
Deerfield, IL

Average snowfall days in February - Deerfield, IL
  • Average snowfall days in February: 9.5 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in February /
Average sunshine in February
Deerfield, IL

Average daylight in February / Average sunshine in February - Deerfield, IL
  • Average daylight in February: 10h and 4min

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 February: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in February
Deerfield, IL

Average sunshine days in February - Deerfield, IL
  • Average sunshine days in February: 12.3 days

The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in February
Deerfield, IL

Average UV index in February - Deerfield, IL
  • Average UV index in February: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in February
Deerfield, IL

Average cloud cover in February - Deerfield, IL
  • Average cloud cover in February: 58

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in February
Deerfield, IL

Average visibility in February - Deerfield, IL
  • Average visibility in February: 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).

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Deerfield, Illinois, USA

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