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, 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 Chicago, the average relative humidity in February is 71.6%.

How much does it rain in Chicago in February?

In Chicago, in February, it is raining for 8.8 days, with typically 1.9" (49.3mm) of accumulated precipitation.

What is the driest month in Chicago?

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

How much does it snow in Chicago in February?

In Chicago, Illinois, in February, during 5.5 snowfall days, 9.1" (231.1mm) of snow is typically accumulated.

What month 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 in Chicago. For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the water temperature in February in Chicago?

In February, the average ocean temperature is 36.9°F (2.7°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the average UV index in February in Chicago?

The average UV index in February in Chicago, Illinois, is 2.
Average temperature in February - Chicago, IL
  • Average high temperature in February: 35.8°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in February: 21.7°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.2°F).

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: 1.9"

Wettest months (with the highest rainfall) are May and June (4.1").
The driest month (with the lowest rainfall) is February (1.9").

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: 9.1"

The month with the highest snowfall is January (11.5").
Months with the lowest snowfall are May, June, July, August and September (0").

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: 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: 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).

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