February weather forecast
Winnetka, IL

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Weather in February

February, the last month of the winter in Winnetka, is another freezing cold month, with an average temperature ranging between min 21.6°F (-5.8°C) and max 31.8°F (-0.1°C).

Temperature

Winnetka's weather in February, with an average high-temperature of a still subzero cold 31.8°F (-0.1°C), subtly shifts from January's 28.8°F (-1.8°C). In the month of February, the average temperature dips to a still subzero cold 21.6°F (-5.8°C) during the night.

Humidity

In February, the average relative humidity is 81%.

Rainfall

In Winnetka, during February, the rain falls for 6.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 164.7 rainfall days, and 35.28" (896mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Winnetka, during February, snow falls for 11.2 days and regularly aggregates up to 4.65" (118mm) of snow. In Winnetka, during the entire year, snow falls for 47.6 days and aggregates up to 17.8" (452mm) of snow.

Daylight

The average length of the day in February is 10h and 37min.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:04 pm. On the last day of February, in Winnetka, sunrise is at 6:26 am and sunset at 5:40 pm CST.

Sunshine

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

UV index

In February, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during February translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in February?

The average high-temperature and low-temperature during February are 31.8°F (-0.1°C) and 21.6°F (-5.8°C) respectively.

What is the average humidity in February?

In February, the average relative humidity is 81%.

How many days does it rain in February?

In Winnetka, in February, during 6.1 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How many days does it snow in February?

In February, it is snowing for 11.2 days. Throughout February, 4.65" (118mm) of snow is accumulated.

How many hours of daylight does Winnetka have in February?

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

When is the sunrise / sunset in February?

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

How long on average sun shines in February?

The average sunshine duration in February is 3.9h.

What is the UV index reading in February?

In Winnetka, the average daily maximum UV index in February is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Winnetka, IL

Average temperature in February - Winnetka, IL
  • Average high temperature in February: 31.8°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in February: 21.6°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in February
Winnetka, IL

Average pressure in February - Winnetka, IL
  • Average pressure in February: 30.09"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).

Average wind speed in February
Winnetka, IL

Average wind speed in February - Winnetka, IL
  • Average wind speed in February: 11.1mph

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in February
Winnetka, IL

Average humidity in February - Winnetka, IL
  • Average humidity in February: 81%

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

Average rainfall in February
Winnetka, IL

Average rainfall in February - Winnetka, IL
  • Average rainfall in February: 1.85"

The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").

Average rainfall days in February
Winnetka, IL

Average rainfall days in February - Winnetka, IL
  • Average rainfall days in February: 6.1 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in February
Winnetka, IL

Average snowfall in February - Winnetka, IL
  • Average snowfall in February: 4.65"

The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in February
Winnetka, IL

Average snowfall days in February - Winnetka, IL
  • Average snowfall days in February: 11.2 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in February / Average sunshine in February - Winnetka, 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 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in February
Winnetka, IL

Average sunshine days in February - Winnetka, IL
  • Average sunshine days in February: 10.9 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in February
Winnetka, IL

Average UV index in February - Winnetka, 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).

Average cloud cover in February
Winnetka, IL

Average cloud cover in February - Winnetka, IL
  • Average cloud cover in February: 59

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 28).

Average visibility in February
Winnetka, IL

Average visibility in February - Winnetka, 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).

Winnetka, Illinois, USA

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