February weather forecast
O'Fallon, MO

Weather in February

February, the last month of the winter in O'Fallon, is also a wintry month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 27°F (-2.8°C).

Temperature

In February, the average high-temperature is practically the same as in January - a still cold 41.9°F (5.5°C). In February, in O'Fallon, the average low-temperature is 27°F (-2.8°C).

Humidity

The average relative humidity in February in O'Fallon is 76%.

Rainfall

In O'Fallon, it is raining for 6.8 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 132.3 rainfall days, and 21.06" (535mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. February is the month with the most snowfall in O'Fallon. Snow falls for 5.8 days and accumulates 1.61" (41mm) of snow.

Daylight

In O'Fallon, the average length of the day in February is 10h and 46min.
On the first day of February, sunrise is at 7:08 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 5:54 pm CST.

Sunshine

January and February, with an average of 4.7h of sunshine, are months with the least sunshine in O'Fallon.

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 health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in February interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in February in O'Fallon?

The average relative humidity in February in O'Fallon, Missouri, is 76%.

How many days does it rain in February in O'Fallon?

In February, the rain falls for 6.8 days. Throughout February, 1.06" (27mm) of precipitation is accumulated.

When does it snow the most in O'Fallon?

The month with the most snowfall in O'Fallon is February, when snow falls for 5.8 days and typically aggregates up to 1.61" (41mm) of snow.

How much does it snow in O'Fallon in February?

In O'Fallon, Missouri, in February, during 5.8 snowfall days, 1.61" (41mm) of snow is typically accumulated.

How many hours of daylight does O'Fallon have in February?

In O'Fallon, the average day length in February is 10h and 46min.

When are sunrise and sunset in February in O'Fallon?

In February, on the first day of the month, sunrise is at 7:08 am and sunset at 5:24 pm. On the last day of the month, in O'Fallon, Missouri, sunrise is at 6:36 am and sunset at 5:54 pm CST.

What is the month with the least sunshine in O'Fallon?

January and February, with an average of 4.7h of sunshine, are months with the least sunshine in O'Fallon.

How long on average sun shines in February in O'Fallon?

In February, the average sunshine duration in O'Fallon is 4.7h.

What are the months with the lowest UV index in O'Fallon?

The months with the lowest UV index in O'Fallon, Missouri, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in February in O'Fallon?

The average daily maximum UV index in February in O'Fallon is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
O'Fallon, MO

Average temperature in February - O
  • 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).

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Average pressure in February
O'Fallon, MO

Average pressure in February - O
  • 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).

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Average wind speed in February
O'Fallon, MO

Average wind speed in February - O
  • 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).

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Average humidity in February
O'Fallon, MO

Average humidity in February - O
  • 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%).

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Average rainfall in February
O'Fallon, MO

Average rainfall in February - O
  • 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").

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Average rainfall days in February
O'Fallon, MO

Average rainfall days in February - O
  • 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).

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Average snowfall in February
O'Fallon, MO

Average snowfall in February - O
  • 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").

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Average snowfall days in February
O'Fallon, MO

Average snowfall days in February - O
  • 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).

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Average daylight in February /
Average sunshine in February
O'Fallon, MO

Average daylight in February / Average sunshine in February - O
  • Average daylight in February: 10h and 46min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in February: 4h and 42min

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).

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Average sunshine days in February
O'Fallon, MO

Average sunshine days in February - O
  • 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).

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Average UV index in February
O'Fallon, MO

Average UV index in February - O
  • 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).

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Average cloud cover in February
O'Fallon, MO

Average cloud cover in February - O
  • 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).

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Average visibility in February
O'Fallon, MO

Average visibility in February - O
  • 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).

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