February weather forecastGrayslake, IL
February
Weather in February
February, the last month of the winter in Grayslake, is also a subzero cold month, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.6°F (-0.8°C).Temperature
Grayslake experiences a minor change to a still freezing cold 30.6°F (-0.8°C) in average high-temperature during February, closely reflecting January. February witnesses an average low-temperature hovering around a still freezing cold 18.7°F (-7.4°C).Humidity
January and February, with an average relative humidity of 83%, are the most humid months in Grayslake.Rainfall
In Grayslake, in February, it is raining for 5 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 142.3 rainfall days, and 21.97" (558mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In February, it is snowing for 10.7 days. Throughout February, 3.54" (90mm) of snow is accumulated. Throughout the year, there are 49.5 snowfall days, and 13.54" (344mm) of snow is accumulated.Daylight
In Grayslake, the average length of the day in February is 10h and 35min.On the first day of February, sunrise is at 7:05 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 5:41 pm CST.
Sunshine
In Grayslake, the average sunshine in February is 3.8h.UV index
The average daily maximum UV index in February is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in February leads to these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Grayslake, IL
- Average high temperature in February: 30.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in February: 18.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in February
Grayslake, IL
- Average pressure in February: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Grayslake, IL
- Average wind speed in February: 10.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in February
Grayslake, IL
- Average humidity in February: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in February
Grayslake, IL
- Average rainfall in February: 1.22"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in February
Grayslake, IL
- Average rainfall days in February: 5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).
Average snowfall in February
Grayslake, IL
- Average snowfall in February: 3.54"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in February
Grayslake, IL
- Average snowfall days in February: 10.7 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Grayslake, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in February
Grayslake, IL
- Average sunshine days in February: 12.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in February
Grayslake, IL
- Average UV index in February: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in February
Grayslake, 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, August and September (Cloud cover 30).
Average visibility in February
Grayslake, IL
- Average visibility in February: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
