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
The onset of February brings with it an average high-temperature of a still icy 41.9°F (5.5°C), showing a negligible variation from the month before. O'Fallon experiences an average low-temperature of 27°F (-2.8°C) in the month of February.Humidity
In February, the average relative humidity is 76%.Rainfall
In O'Fallon, in February, it is raining for 6.8 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in O'Fallon, Missouri, there are 132.3 rainfall days, and 21.06" (535mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall is February, when snow falls for 5.8 days and typically aggregates up to 1.61" (41mm) of snow.Daylight
In February, the average length of the day is 10h and 46min.On the first day of the month, sunrise is at 7:08 am and sunset at 5:23 pm. On the last day of February, sunrise is at 6:35 am and sunset at 5:55 pm CST.
Sunshine
January and February, with an average of 4.7h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in O'Fallon are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In February, the maximum UV index of 2 suggests this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is February cold?
What is the average humidity in February in O'Fallon?
How much does it rain in February?
What is the snowiest month?
How many days does it snow in February?
How many hours of daylight does O'Fallon have in February?
When is the sunrise / sunset in February?
What are the months with the least sunshine?
How many hours of sunshine does O'Fallon have in February?
What is the month with the lowest UV index?
How high is the UV index in February?
Average temperature in February
O'Fallon, MO
- Average high temperature in February: 41.9°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in February: 27°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in February
O'Fallon, MO
- Average pressure in February: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
O'Fallon, MO
- Average wind speed in February: 9mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in February
O'Fallon, MO
- Average humidity in February: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in February
O'Fallon, MO
- Average rainfall in February: 1.06"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in February
O'Fallon, MO
- Average rainfall days in February: 6.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in February
O'Fallon, MO
- Average snowfall in February: 1.61"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in February
O'Fallon, MO
- Average snowfall days in February: 5.8 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in February /
Average sunshine in February
O'Fallon, MO
- Average daylight in February: 10h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in February: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in February
O'Fallon, MO
- Average sunshine days in February: 15.8 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in February
O'Fallon, MO
- Average UV index in February: 2
The months with the highest UV index are May, 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
O'Fallon, MO
- Average cloud cover in February: 49
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in February
O'Fallon, MO
- 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).
O'Fallon, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location