February weather forecastLake Bluff, IL
February
Weather in February
February unfolds with a slight increment in temperature, marking a subtle transition towards spring. Snowfall tapers off from 4.13" (105mm) in January to 3.35" (85mm). The winter chill begins to recede, only to pave the way for dew-laden mornings and crisper sunsets. The landscape gently transforms, with frost-laden mornings and clear midday skies. Lake Bluff basks in the radiance of prolonged daylight as the month progresses, heralding the arrival of mild weather.Temperature
The commencement of February introduces an average high-temperature of a still freezing cold 31.3°F (-0.4°C), closely mirroring the preceding month. Throughout the month of February, the nighttime temperature in Lake Bluff, Illinois, dips to an average of 21.6°F (-5.8°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 82%.Rainfall
In Lake Bluff, in February, it is raining for 5.9 days, with typically 1.54" (39mm) of accumulated precipitation. In Lake Bluff, Illinois, during the entire year, the rain falls for 154.1 days and collects up to 30.24" (768mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In February, it is snowing for 9.5 days. Throughout February, 3.35" (85mm) of snow is accumulated. In Lake Bluff, during the entire year, snow falls for 42.9 days and aggregates up to 13.82" (351mm) of snow.Ocean temperature
With an average ocean temperature of 37°F (2.8°C), February is the month with the coldest seawater.Note: When swimming, this condition is immediately life-threatening. Loss of control over breathing occurs instantly, impairing clear thought. It is vital to wear a specialized swimsuit to prevent thermal loss.
Daylight
The average length of the day in February is 10h and 36min.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.
Sunshine
In February, the average sunshine is 3.9h.UV index
In February, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in February interprets into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Lake Bluff, IL
- Average high temperature in February: 31.3°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in February: 21.6°F
The months with the highest average low temperature are July and August (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in February
Lake Bluff, IL
- Average pressure in February: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Lake Bluff, IL
- Average wind speed in February: 11.6mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity in February
Lake Bluff, IL
- Average humidity in February: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in February
Lake Bluff, IL
- Average rainfall in February: 1.54"
The wettest months (with the highest rainfall) are May and June (3.82").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in February
Lake Bluff, IL
- Average rainfall days in February: 5.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in February
Lake Bluff, IL
- Average snowfall in February: 3.35"
The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in February
Lake Bluff, IL
- Average snowfall days in February: 9.5 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in February
Lake Bluff, IL
- Average sea temperature in February: 37.1°F
The best month for swimming (with the highest average sea temperature) is August (73.3°F).
The coldest month (with the lowest average sea temperature) is February (37.1°F).
Average daylight in February /
Average sunshine in February
Lake Bluff, IL
- Average daylight in February: 10h and 36min
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 6min).
- Average sunshine in February: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in February
Lake Bluff, IL
- Average sunshine days in February: 12.3 days
The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in February
Lake Bluff, 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
Lake Bluff, IL
- Average cloud cover in February: 58
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 27).
Average visibility in February
Lake Bluff, 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).
