February weather forecastShannon, IL
February
Weather in February
The last month of the winter, February, is also a subzero cold month in Shannon, Illinois, with an average temperature ranging between max 29.8°F (-1.2°C) and min 16.9°F (-8.4°C).Temperature
In February, Shannon experiences a minor shift in meteorological conditions with average high-temperatures marked at a still subzero cold 29.8°F (-1.2°C), closely mirroring the climate in January. Nightly temperatures drop to an average low of 16.9°F (-8.4°C) in February.Humidity
The average relative humidity in February is 85%.Rainfall
The months with the least rainfall are January and February Rain falls for 4.4 days and accumulates 0.71" (18mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Shannon, in February, snow falls for 9.3 days, with typically accumulated 2.2" (56mm) of snow. In Shannon, during the entire year, snow falls for 39.2 days and aggregates up to 8.62" (219mm) of snow.Daylight
The average length of the day in February is 10h and 36min.On the first day of the month, sunrise is at 7:12 am and sunset at 5:12 pm. On the last day of February, sunrise is at 6:34 am and sunset at 5:48 pm CST.
Sunshine
In Shannon, 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 exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during February leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Shannon, IL
- Average high temperature in February: 29.8°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 (25.9°F).
- Average low temperature in February: 16.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in February
Shannon, IL
- Average pressure in February: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in February
Shannon, IL
- Average wind speed in February: 9.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in February
Shannon, IL
- Average humidity in February: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in February
Shannon, IL
- Average rainfall in February: 0.71"
The wettest month (with the highest rainfall) is May (2.76").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in February
Shannon, IL
- Average rainfall days in February: 4.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in February
Shannon, IL
- Average snowfall in February: 2.2"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in February
Shannon, IL
- Average snowfall days in February: 9.3 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Shannon, 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 12min).
- Average sunshine in February: 3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in February
Shannon, IL
- Average sunshine days in February: 16 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10 days).
Average UV index in February
Shannon, IL
- Average UV index in February: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in February
Shannon, IL
- Average cloud cover in February: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in February
Shannon, IL
- Average visibility in February: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





