Contents
- Weather in February
- Frequently asked questions
- Average temperature in February
- Average pressure in February
- Average wind speed in February
- Average humidity in February
- Average rainfall in February
- Average rainfall days in February
- Average snowfall in February
- Average snowfall days in February
- Average daylight in February
- Average sunshine in February
- Average sunshine days in February
- Average UV index in February
- Average cloud cover in February
- Average visibility in February
Weather in February
Temperature
Crystal Lake records an average high-temperature of a still subzero cold 30.6°F (-0.8°C) as February arrives, nearly mirroring the previous month's climate. Throughout February in Crystal Lake, a steady low-temperature average of 18°F (-7.8°C) is noted.Humidity
The months with the highest humidity in Crystal Lake are January and February, with an average relative humidity of 85%.Rainfall
In Crystal Lake, in February, during 4.8 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 146.9 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Crystal Lake. In Crystal Lake, in February, during 10.7 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Crystal Lake, during the entire year, snow falls for 48.7 days and aggregates up to 11.85" (301mm) of snow.Daylight
The average length of the day in February in Crystal Lake is 10h and 36min.On the first day of the month, sunrise is at 7:06 am and sunset at 5:06 pm. On the last day of February, in Crystal Lake, Illinois, sunrise is at 6:28 am and sunset at 5:42 pm CST.
Sunshine
In February, the average sunshine is 3.8h.UV index
The average daily maximum UV index in February in Crystal Lake, Illinois, is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in February leads to these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is February in Crystal Lake?
What are the most humid months in Crystal Lake?
What is the average humidity in February in Crystal Lake?
How many days does it rain in February in Crystal Lake?
How many days does it snow in February in Crystal Lake?
What is the average length of the day in February in Crystal Lake?
When are sunrise and sunset in February in Crystal Lake?
How long on average sun shines in February in Crystal Lake?
What is the UV index reading in February in Crystal Lake?
Average temperature in February
Crystal Lake, IL
- Average high temperature in February: 30.6°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in February: 18°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in February
Crystal Lake, IL
- Average pressure in February: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Crystal Lake, IL
- Average wind speed in February: 9.9mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in February
Crystal Lake, IL
- Average humidity in February: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in February
Crystal Lake, IL
- Average rainfall in February: 1.1"
The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are November and December (0.94").
Average rainfall days in February
Crystal Lake, IL
- Average rainfall days in February: 4.8 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in February
Crystal Lake, IL
- Average snowfall in February: 2.52"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in February
Crystal Lake, IL
- Average snowfall days in February: 10.7 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Crystal Lake, IL
- Average daylight in February: 10h and 4min
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 12min).
- Average sunshine in February: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in February
Crystal Lake, IL
- Average sunshine days in February: 12.3 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (10 days).
Average UV index in February
Crystal Lake, IL
- Average UV index in February: 2
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in February
Crystal Lake, IL
- Average cloud cover in February: 59
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and September (Cloud cover 32).
Average visibility in February
Crystal Lake, IL
- Average visibility in February: 5mi
The months with the highest visibility are March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January, February and August (5mi).
Crystal Lake, Illinois, USA
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