Chicago
Illinois, USA
Long-term weather forecast
Long-term weather forecast

February weather forecast and climate
Chicago, IL

An aerial view of the city of Chicago in Illinois, on the shores of Lake Michigan, with a superb view of the sandy beach of Oak Street
An aerial view of the city of Chicago in Illinois, on the shores of Lake Michigan, with a superb view of the sandy beach of Oak Street
February, the last month of the winter, in Chicago, is a cold month, with average temperature fluctuating between 32°F (0°C) and 23°F (-5°C).

Temperature

In Chicago, the average high-temperature in February is almost the same as in January - a wintry 32°F (0°C). In Chicago, the average low-temperature is 23°F (-5°C).

Humidity

The average relative humidity in February is 81%.

Rainfall

In Chicago, during February, the rain falls for 5.5 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 160.2 rainfall days, and 36.97" (939mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. The month with the most snowfall in Chicago, Illinois, is February when snow falls for 9.9 days and typically aggregates up to 3.54" (90mm) of snow.

Ocean temperature

February is the month with the coldest seawater in Chicago, Illinois, with an average ocean temperature of 36.9°F (2.7°C).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

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

Sunshine

The average sunshine in February is 3.9h.

UV index

In February, the average daily maximum UV index in Chicago is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in February in Chicago?

In Chicago, Illinois, in February, the average high-temperature is 32°F (0°C), and the average low-temperature is 23°F (-5°C).

What is the average humidity in February in Chicago?

The average relative humidity in February is 81%.

How much does it rain in Chicago in February?

In Chicago, in February, it is raining for 5.5 days, with typically 1.81" (46mm) of accumulated precipitation.

How many days does it snow in February in Chicago?

In Chicago, in February, snow falls for 9.9 days, with typically accumulated 3.54" (90mm) of snow.

What is the snowiest month in Chicago?

The month with the most snowfall in Chicago, Illinois, is February when snow falls for 9.9 days and typically aggregates up to 3.54" (90mm) of snow.

What month is the ocean coldest in Chicago?

February is the month with the coldest seawater, with an average ocean temperature of 36.9°F (2.7°C).

What is the ocean temperature in February in Chicago?

In Chicago, in February, the average water temperature is 36.9°F (2.7°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

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

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

How long on average sun shines in February in Chicago?

In February, the average sunshine is 3.9h.

What is the UV index intensity in February in Chicago?

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 the exposure to the Sun's UV radiation.
Average temperature in February - Chicago, IL
  • Average high temperature in February: 32°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in February: 23°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average humidity in February - Chicago, 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 - Chicago, IL
  • Average rainfall in February: 1.81"

The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the lowest rainfall) is December (1.65").

Average rainfall days in February - Chicago, IL
  • Average rainfall days in February: 5.5 days

The month with the highest number of rainy days is July (18.5 days).
The month with the lowest number of rainy days is February (5.5 days).

Average snowfall in February - Chicago, IL
  • Average snowfall in February: 3.54"

The month with the highest snowfall is February (3.54").
Months with the lowest snowfall are June, July, August, September and October (0").

Average snowfall days in February - Chicago, IL
  • Average snowfall days in February: 9.9 days

The month with the highest number of snowfall days is January (10.6 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in February - Chicago, IL
  • Average sea temperature in February: 36.9°F

The best month for swimming (with the highest average sea temperature) is August (73.9°F).
The coldest month (with the lowest average sea temperature) is February (36.9°F).

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

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

  • Average sunshine in February: 3.9h

Months with most sunshine are July and August (Average sunshine: 10.6h).
The month with least sunshine is January (Average sunshine: 3.7h).

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

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