February weather forecast
Jerseyville, IL

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Weather in February

The last month of the winter, February, is another cold month in Jerseyville, Illinois, with an average temperature varying between 40.6°F (4.8°C) and 26.4°F (-3.1°C).

Temperature

Jerseyville, Illinois, in February witnesses an average high-temperature of a still cold 40.6°F (4.8°C), indicating a slight variation from January's 35.6°F (2°C). Jerseyville's average low-temperature in the month of February is recorded at a subzero cold 26.4°F (-3.1°C).

Humidity

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

Rainfall

In Jerseyville, in February, it is raining for 6.7 days, with typically 1.18" (30mm) of accumulated precipitation. In Jerseyville, during the entire year, the rain falls for 136.5 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Jerseyville. February is the month with the most snowfall in Jerseyville. Snow falls for 5.9 days and accumulates 2.17" (55mm) of snow.

Daylight

In Jerseyville, Illinois, the average length of the day in February is 10h and 46min.
On the first day of February in Jerseyville, sunrise is at 7:08 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:53 pm CST.

Sunshine

The average sunshine in February in Jerseyville is 4.6h.

UV index

The months with the lowest UV index in Jerseyville 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 threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in February interprets into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Jerseyville during February?

The high-temperature in Jerseyville during February is 40.6°F (4.8°C) and the low-temperature is 26.4°F (-3.1°C).

What is the average humidity in February in Jerseyville?

The average relative humidity in February in Jerseyville is 77%.

How many days does it rain in February in Jerseyville?

In Jerseyville, in February, during 6.7 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When does it snow the most in Jerseyville?

February is the month with the most snowfall in Jerseyville. Snow falls for 5.9 days and accumulates 2.17" (55mm) of snow.

How much does it snow in Jerseyville in February?

In Jerseyville, during February, snow falls for 5.9 days and regularly aggregates up to 2.17" (55mm) of snow.

How many hours of daylight does Jerseyville have in February?

The average day length in February in Jerseyville is 10h and 46min.

What time are sunrise and sunset in February in Jerseyville?

On the first day of February in Jerseyville, sunrise is at 7:08 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:53 pm CST.

How many hours of sunshine does Jerseyville have in February?

The average sunshine duration in February in Jerseyville, Illinois, is 4.6h.

When is the lowest UV index in Jerseyville?

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

What is the UV index reading in February in Jerseyville?

In Jerseyville, Illinois, the average daily maximum UV index in February is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Jerseyville, IL

Average temperature in February - Jerseyville, IL
  • Average high temperature in February: 40.6°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in February: 26.4°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in February
Jerseyville, IL

Average pressure in February - Jerseyville, 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 (29.92"Hg).

Average wind speed in February
Jerseyville, IL

Average wind speed in February - Jerseyville, IL
  • Average wind speed in February: 9.6mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in February
Jerseyville, IL

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

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in February
Jerseyville, IL

Average rainfall in February - Jerseyville, IL
  • Average rainfall in February: 1.18"

The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in February
Jerseyville, IL

Average rainfall days in February - Jerseyville, IL
  • Average rainfall days in February: 6.7 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in February
Jerseyville, IL

Average snowfall in February - Jerseyville, IL
  • Average snowfall in February: 2.17"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in February
Jerseyville, IL

Average snowfall days in February - Jerseyville, IL
  • Average snowfall days in February: 5.9 days

The month with the highest number of snowfall days is January (6.2 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
Jerseyville, IL

Average daylight in February / Average sunshine in February - Jerseyville, IL
  • Average daylight in February: 10h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in February
Jerseyville, IL

Average sunshine days in February - Jerseyville, IL
  • Average sunshine days in February: 16.2 days

The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).

Average UV index in February
Jerseyville, IL

Average UV index in February - Jerseyville, 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
Jerseyville, IL

Average cloud cover in February - Jerseyville, 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 August and September (Cloud cover 28).

Average visibility in February
Jerseyville, IL

Average visibility in February - Jerseyville, 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).

Jerseyville, Illinois, USA

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