February weather forecast
Caseyville, IL

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Weather in February

The last month of the winter, February, is also an icy month in Caseyville, Illinois, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 42.1°F (5.6°C).

Temperature

February's beginning signals an average high-temperature of a still icy 42.1°F (5.6°C), barely different from January's 37.4°F (3°C). The average nighttime temperature lowers to a freezing cold 27.5°F (-2.5°C) throughout February.

Humidity

In February, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is February, when the rain falls for 8.3 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

Months with snowfall in Caseyville are January through March, September, November and December. In February, in Caseyville, it is snowing for 6 days. Throughout February, 1.97" (50mm) of snow is accumulated. Throughout the year, there are 20.7 snowfall days, and 7.13" (181mm) of snow is accumulated.

Daylight

The average length of the day in February is 10h and 47min.
On the first day of the month, sunrise is at 7:05 am and sunset at 5:21 pm. On the last day of February, sunrise is at 6:32 am and sunset at 5:52 pm CST.

Sunshine

The average sunshine in February is 4.6h.

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in February interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. When the Sun is at its strongest around midday, find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during February?

An average high-temperature, in February, in Caseyville, is 42.1°F (5.6°C) and the average low-temperature is 27.5°F (-2.5°C).

What is the average humidity in February?

In Caseyville, the average relative humidity in February is 77%.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 8.3 days and typically collects 1.77" (45mm) of precipitation.

How much does it rain in February?

In Caseyville, in February, it is raining for 8.3 days, with typically 1.77" (45mm) of accumulated precipitation.

How many days does it snow in February?

In Caseyville, in February, during 6 snowfall days, 1.97" (50mm) of snow is typically accumulated.

How many hours of daylight does Caseyville have in February?

The average day length in February in Caseyville is 10h and 47min.

When are sunrise and sunset in February?

In February, on the first day of the month, sunrise is at 7:05 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 5:52 pm CST.

How many hours of sunshine does Caseyville have in February?

In Caseyville, the average sunshine duration in February is 4.6h.

What are the months with the lowest UV index?

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

What is the UV index intensity in February?

In February, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
Caseyville, IL

Average temperature in February - Caseyville, IL
  • Average high temperature in February: 42.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in February: 27.5°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in February
Caseyville, IL

Average pressure in February - Caseyville, IL
  • 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
Caseyville, IL

Average wind speed in February - Caseyville, IL
  • Average wind speed in February: 9.4mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in February
Caseyville, IL

Average humidity in February - Caseyville, IL
  • Average humidity in February: 77%

The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in February
Caseyville, IL

Average rainfall in February - Caseyville, IL
  • Average rainfall in February: 1.77"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.77").

Average rainfall days in February
Caseyville, IL

Average rainfall days in February - Caseyville, IL
  • Average rainfall days in February: 8.3 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in February
Caseyville, IL

Average snowfall in February - Caseyville, IL
  • Average snowfall in February: 1.97"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in February
Caseyville, IL

Average snowfall days in February - Caseyville, IL
  • Average snowfall days in February: 6 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in February /
Average sunshine in February
Caseyville, IL

Average daylight in February / Average sunshine in February - Caseyville, IL
  • 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 month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in February
Caseyville, IL

Average sunshine days in February - Caseyville, IL
  • Average sunshine days in February: 14.5 days

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in February
Caseyville, IL

Average UV index in February - Caseyville, IL
  • 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
Caseyville, IL

Average cloud cover in February - Caseyville, IL
  • Average cloud cover in February: 50

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in February
Caseyville, IL

Average visibility in February - Caseyville, IL
  • 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).

Caseyville, Illinois, USA

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