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
February's weather records an average high-temperature of a still cold 37.9°F (3.3°C), showing little deviation from January. In February, the average low-temperature is a subzero cold 25°F (-3.9°C).Humidity
In Williamsville, Illinois, the average relative humidity in February is 78%.Rainfall
In Williamsville, in February, during 5.7 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Williamsville, during the entire year, the rain falls for 131.5 days and collects up to 18.54" (471mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In February, it is snowing for 6.3 days. Throughout February, 1.65" (42mm) of snow is accumulated. In Williamsville, during the entire year, snow falls for 24.5 days and aggregates up to 5.51" (140mm) of snow.Daylight
In Williamsville, the average length of the day in February is 10h and 43min.On the first day of the month, sunrise is at 7:06 am and sunset at 5:16 pm. On the last day of February, sunrise is at 6:31 am and sunset at 5:49 pm CST.
Sunshine
In February, the average sunshine is 4.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In February, the maximum UV index of 2 suggests this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is February?
What is the average humidity in February?
How much does it rain in February?
How many days does it snow in February?
What is the average length of the day in February?
What time are sunrise and sunset in February?
How many hours of sunshine does Williamsville have in February?
What is the month with the lowest UV index?
How high is the UV index in February?
Average temperature in February
Williamsville, IL
- Average high temperature in February: 37.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in February: 25°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in February
Williamsville, IL
- Average pressure in February: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in February
Williamsville, IL
- Average wind speed in February: 10.3mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in February
Williamsville, IL
- Average humidity in February: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in February
Williamsville, IL
- Average rainfall in February: 0.98"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in February
Williamsville, IL
- Average rainfall days in February: 5.7 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in February
Williamsville, IL
- Average snowfall in February: 1.65"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in February
Williamsville, IL
- Average snowfall days in February: 6.3 days
The month with the highest number of snowfall days is January (8 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
Williamsville, IL
- Average daylight in February: 10h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in February: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in February
Williamsville, IL
- Average sunshine days in February: 16.3 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in February
Williamsville, IL
- Average UV index in February: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in February
Williamsville, IL
- Average cloud cover in February: 53
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in February
Williamsville, IL
- Average visibility in February: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Williamsville, Illinois, USA
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