February weather forecast
Grayville, IL

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Weather in February

The last month of the winter, February, is a frosty month in Grayville, Illinois, with an average temperature fluctuating between 43.2°F (6.2°C) and 29.5°F (-1.4°C).

Temperature

February's arrival shows an average high-temperature of a frosty 43.2°F (6.2°C), hardly different from the previous month. An average low-temperature of 29.5°F (-1.4°C) marks the nights in Grayville throughout February.

Humidity

The average relative humidity in February is 78%.

Rainfall

In Grayville, Illinois, during February, the rain falls for 10.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, in Grayville, there are 167.7 rainfall days, and 38.23" (971mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Grayville, Illinois, are January through April, November and December. The month with the most snowfall is February, when snow falls for 5.4 days and typically aggregates up to 1.54" (39mm) of snow.

Daylight

The average length of the day in February is 10h and 48min.
On the first day of the month, sunrise is at 6:56 am and sunset at 5:14 pm. On the last day of February, in Grayville, sunrise is at 6:24 am and sunset at 5:44 pm CST.

Sunshine

In Grayville, the average sunshine in February is 4.6h.

UV index

The months with the lowest UV index in Grayville 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 the ordinary person.
Note: In February, the maximum UV index of 2 suggests this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

Is it cold in Grayville during February?

In February, in Grayville, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 29.5°F (-1.4°C).

What is the average humidity in February in Grayville?

In February, the average relative humidity in Grayville is 78%.

How many days does it rain in February in Grayville?

In Grayville, Illinois, in February, it is raining for 10.8 days, with typically 2.68" (68mm) of accumulated precipitation.

When does it snow the most in Grayville?

February is the month with the most snowfall in Grayville, Illinois. Snow falls for 5.4 days and accumulates 1.54" (39mm) of snow.

How much does it snow in Grayville in February?

In Grayville, in February, during 5.4 snowfall days, 1.54" (39mm) of snow is typically accumulated.

What is the average length of the day in February in Grayville?

In Grayville, the average day length in February is 10h and 48min.

What time are sunrise and sunset in February in Grayville?

On the first day of February in Grayville, sunrise is at 6:56 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 5:44 pm CST.

How long on average sun shines in February in Grayville?

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

When is the lowest UV index in Grayville?

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 reading in February in Grayville?

The average daily maximum UV index in February in Grayville is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Grayville, IL

Average temperature in February - Grayville, IL
  • Average high temperature in February: 43.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in February: 29.5°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in February
Grayville, IL

Average pressure in February - Grayville, 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 (29.94"Hg).

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Average wind speed in February
Grayville, IL

Average wind speed in February - Grayville, IL
  • Average wind speed in February: 10.1mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average humidity in February
Grayville, IL

Average humidity in February - Grayville, IL
  • Average humidity in February: 78%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in February
Grayville, IL

Average rainfall in February - Grayville, IL
  • Average rainfall in February: 2.68"

The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in February
Grayville, IL

Average rainfall days in February - Grayville, IL
  • Average rainfall days in February: 10.8 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in February
Grayville, IL

Average snowfall in February - Grayville, IL
  • Average snowfall in February: 1.54"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in February
Grayville, IL

Average snowfall days in February - Grayville, IL
  • Average snowfall days in February: 5.4 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in February / Average sunshine in February - Grayville, 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 36min).

  • 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 18min).

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Average sunshine days in February
Grayville, IL

Average sunshine days in February - Grayville, IL
  • Average sunshine days in February: 12 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (8.8 days).

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Average UV index in February
Grayville, IL

Average UV index in February - Grayville, 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).

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Average cloud cover in February
Grayville, IL

Average cloud cover in February - Grayville, IL
  • Average cloud cover in February: 51

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in February
Grayville, IL

Average visibility in February - Grayville, 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).

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Grayville, Illinois, USA

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