February weather forecast and climate
Naperville, IL

A covered bridge over a river along the famous Naperville Riverwalk in Naperville, Illinois
A covered bridge over a river along the famous Naperville Riverwalk in Naperville, Illinois

Weather in February

February, the last month of the winter, in Naperville, is a wintry month, with average temperature ranging between max 32.4°F (0.2°C) and min 19.9°F (-6.7°C).

Temperature

In Naperville, the average high-temperature in February is almost the same as in January - a wintry 32.4°F (0.2°C). The average low-temperature, in February, is 19.9°F (-6.7°C).

Humidity

Months with the highest humidity in Naperville, Illinois, are January and February, with an average relative humidity of 83%.

Rainfall

In Naperville, during 4.4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Naperville, Illinois, during the entire year, the rain falls for 132.2 days and collects up to 16.22" (412mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Naperville. In Naperville, snow falls for 9.1 days, with typically accumulated 1.69" (43mm) of snow. Throughout the year, there are 38.7 snowfall days, and 6.93" (176mm) of snow is accumulated.

Daylight

The average length of the day in Naperville is 10.6h.

Sunshine

In February, the average sunshine is 3.9h.

UV index

In February, the average daily maximum UV index in Naperville is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in February interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the most humid month in Naperville?

Months with the highest humidity in Naperville are January and February, with an average relative humidity of 83%.

What is the average humidity in February in Naperville?

In February, the average relative humidity in Naperville, Illinois, is 83%.

How many days does it rain in February in Naperville?

In Naperville, during February, the rain falls for 4.4 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How much does it snow in Naperville in February?

In February, in Naperville, Illinois, it is snowing for 9.1 days. Throughout February, 1.69" (43mm) of snow is accumulated.

What is the average length of the day in February in Naperville?

In February, the average length of the day is 10.6h.

How many hours of sunshine does Naperville have in February?

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

What is the UV index reading in February in Naperville?

The average daily maximum UV index in February in Naperville is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.

Average temperature in February
Naperville, IL

Average temperature in February - Naperville, IL
  • Average high temperature in February: 32.4°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in February: 19.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in February
Naperville, IL

Average pressure in February - Naperville, IL
  • Average pressure in February: 30.1"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in February
Naperville, IL

Average wind speed in February - Naperville, IL
  • Average wind speed in February: 9.6mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in February
Naperville, IL

Average humidity in February - Naperville, IL
  • Average humidity in February: 83%

Months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in February
Naperville, IL

Average rainfall in February - Naperville, IL
  • Average rainfall in February: 0.79"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in February
Naperville, IL

Average rainfall days in February - Naperville, IL
  • Average rainfall days in February: 4.4 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in February
Naperville, IL

Average snowfall in February - Naperville, IL
  • Average snowfall in February: 1.69"

The month with the highest snowfall is January (1.85").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in February
Naperville, IL

Average snowfall days in February - Naperville, IL
  • Average snowfall days in February: 9.1 days

The month with the highest number of snowfall days is January (11.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in February / Average sunshine in February - Naperville, IL
  • Average daylight in February: 10.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in February: 3.9h

Months with the most sunshine are July and August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in February
Naperville, IL

Average sunshine days in February - Naperville, IL
  • Average sunshine days in February: 15.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in February
Naperville, IL

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in February
Naperville, IL

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

The month with the most cloud cover is January (Cloud cover 60).
Months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in February
Naperville, IL

Average visibility in February - Naperville, IL
  • Average visibility in February: 6mi

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

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