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 sees cold winter temperatures in the average range of 20°F (-6.7°C) to 35°F (1.7°C). Majority of the nights register below 20°F (-6.7°C), while a few days touch 40°F (4.4°C) and some even 50°F (10°C) during the latter half of the month.
February receives plenty of snow to the tune of 9.1" (231.1mm), while the skies are usually dry. Cloudy skies are common with close to 72% of humidity. Sunlight reaches the ground for 10.5 hours as the days become noticeably larger and warmer, particularly around Lake Michigan.
February mandates warm coats as the Old Man winter lingers around Chicago.

What is the temperature in February in Chicago?

The average high-temperature, in February, in Chicago, is 35.8°F (2.1°C), while the average low-temperature is 21.7°F (-5.7°C).

What is the average humidity in February in Chicago?

In February, the average relative humidity is 71.6%.

How much does it rain in Chicago in February?

In Chicago, during February, the rain falls for 8.8 days and regularly aggregates up to 1.9" (49.3mm) of precipitation.

What is the driest month in Chicago?

February is the month with the least rainfall in Chicago, Illinois. Rain falls for 8.8 days and accumulates 1.9" (49.3mm) of precipitation.

How many days does it snow in February in Chicago?

In Chicago, during February, snow falls for 5.5 days and regularly aggregates up to 9.1" (231.1mm) of snow.

When is the ocean coldest in Chicago?

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

What is the water 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.

How many hours of daylight does Chicago have in February?

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

How many hours of sunshine does Chicago have in February?

In Chicago, the average sunshine in February is 4.9h.

What is the UV index reading in February in Chicago?

In Chicago, Illinois, 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 the Sun's UV rays.
Average temperature in February - Chicago, IL
  • Average high temperature in February: 2.1°C

The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in February: -5.7°C

The month with the highest average low temperature is July (19.7°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).

Average humidity in February - Chicago, IL
  • Average humidity in February: 71.6%

The month with the highest relative humidity is December (75.5%).
The month with the lowest relative humidity is May (64.1%).

Average rainfall in February - Chicago, IL
  • Average rainfall in February: 49.3mm

The wettest month (with the highest rainfall) is May (104.9mm).
The driest month (with the lowest rainfall) is February (49.3mm).

Average rainfall days in February - Chicago, IL
  • Average rainfall days in February: 8.8 days

The month with the highest number of rainy days is May (11.4 days).
The month with the lowest number of rainy days is September (8.2 days).

Average snowfall in February - Chicago, IL
  • Average snowfall in February: 231.1mm

The month with the highest snowfall is January (292.1mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (8.1 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in February - Chicago, IL
  • Average sea temperature in February: 2.7°C

The best month for swimming (with the highest average sea temperature) is August (23.3°C).
The coldest month (with the lowest average sea temperature) is February (2.7°C).

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: 4.9h

The month with most sunshine is June (Average sunshine: 10.4h).
The month with least sunshine is December (Average sunshine: 3.4h).

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

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).