February weather forecast
Naperville, IL

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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

As temperatures slightly rise from January, Naperville experiences continued winter conditions in February. The city sees a slight increase in temperature with highs of 32.4°F (0.2°C) and lows of 19.9°F (-6.7°C) dominating. Amid the cold, the city displays its resilience and beauty. By the end of the month, the anticipation of spring begins to grow among the residents.

Temperature

February's weather in Naperville, Illinois, displays an average high-temperature of a cold 32.4°F (0.2°C), slightly varied from January's 28.4°F (-2°C). In February, the nighttime temperature lowers to an average of 19.9°F (-6.7°C).

Humidity

January and February, with an average relative humidity of 83%, are the most humid months in Naperville, Illinois.

Rainfall

In Naperville, in February, it is raining for 4.4 days, with typically 0.79" (20mm) of accumulated precipitation. In Naperville, 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, in February, during 9.1 snowfall days, 1.69" (43mm) of snow is typically accumulated. In Naperville, during the entire year, snow falls for 38.7 days and aggregates up to 6.93" (176mm) of snow.

Daylight

In February, the average length of the day is 10h and 37min.
On the first day of February in Naperville, sunrise is at 7:04 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 5:42 pm CST.

Sunshine

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

UV index

In Naperville, the average daily maximum UV index in February is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during February morphs into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

How cold is it in Naperville in February?

In Naperville, 32.4°F (0.2°C) is the average high-temperature and 19.9°F (-6.7°C) is the average low-temperature during February.

What are the most humid months in Naperville?

The months with the highest humidity are January and February, with an average relative humidity of 83%.

What is the average humidity in February in Naperville?

The average relative humidity in February in Naperville is 83%.

How much does it rain in Naperville in February?

In Naperville, in February, during 4.4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

How much does it snow in Naperville in February?

In Naperville, in February, during 9.1 snowfall days, 1.69" (43mm) of snow is typically accumulated.

How many hours of daylight does Naperville have in February?

In Naperville, the average day length in February is 10h and 37min.

When is the sunrise / sunset in February in Naperville?

In February, on the first day of the month, sunrise is at 7:04 am and sunset at 5:07 pm. On the last day of the month, in Naperville, sunrise is at 6:27 am and sunset at 5:42 pm CST.

How many hours of sunshine does Naperville have in February?

The average sunshine duration in February in Naperville, Illinois, is 3.9h.

How high is the UV index in February in Naperville?

In February, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health 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 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"Hg

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

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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%

The 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").
The 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).
The 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: 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 months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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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

The months with the highest UV index are June, July 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 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).
The 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

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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Naperville, Illinois, USA

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