February weather forecast
Lanark, IL

Weather in February

February, the last month of the winter in Lanark, is also a subzero cold month, with an average temperature ranging between max 29.8°F (-1.2°C) and min 16.9°F (-8.4°C).

Temperature

In February, the average high-temperature is relatively the same as in January - a still subzero cold 29.8°F (-1.2°C). In February, in Lanark, the average low-temperature is 16.9°F (-8.4°C).

Humidity

The average relative humidity in February is 85%.

Rainfall

January and February are months with the least rain in Lanark, Illinois, when the rain falls for 4.4 days and typically aggregates up to 0.71" (18mm) of rain.

Snowfall

Months with snowfall are January through April, October through December. In Lanark, during February, snow falls for 9.3 days and regularly aggregates up to 2.2" (56mm) of snow. Throughout the year, in Lanark, there are 39.2 snowfall days, and 8.62" (219mm) of snow is accumulated.

Daylight

In Lanark, the average length of the day in February is 10h and 37min.
On the first day of the month, sunrise is at 7:11 am and sunset at 5:13 pm. On the last day of February, sunrise is at 6:35 am and sunset at 5:48 pm CST.

Sunshine

In Lanark, Illinois, the average sunshine in February is 3.8h.

UV index

In Lanark, the average daily maximum UV index in February is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 2 in February interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Lanark?

In February, the average relative humidity in Lanark, Illinois, is 85%.

What is the driest month in Lanark?

January and February are months with the least rain in Lanark, Illinois, when the rain falls for 4.4 days and typically aggregates up to 0.71" (18mm) of rain.

How many days does it rain in February in Lanark?

In Lanark, Illinois, in February, during 4.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How many days does it snow in February in Lanark?

In Lanark, in February, snow falls for 9.3 days, with typically accumulated 2.2" (56mm) of snow.

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

In February, the average day length in Lanark, Illinois, is 10h and 37min.

When are sunrise and sunset in February in Lanark?

In February, on the first day of the month, sunrise is at 7:11 am and sunset at 5:13 pm. On the last day of the month, in Lanark, Illinois, sunrise is at 6:35 am and sunset at 5:48 pm CST.

How long on average sun shines in February in Lanark?

The average sunshine duration in February is 3.8h.

What is the UV index intensity in February in Lanark?

In February, the average daily maximum UV index in Lanark, Illinois, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Lanark, IL

Average temperature in February - Lanark, IL
  • Average high temperature in February: 29.8°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in February: 16.9°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in February
Lanark, IL

Average pressure in February - Lanark, IL
  • Average pressure in February: 30.11"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in February
Lanark, IL

Average wind speed in February - Lanark, IL
  • Average wind speed in February: 9.9mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in February
Lanark, IL

Average humidity in February - Lanark, IL
  • Average humidity in February: 85%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in February
Lanark, IL

Average rainfall in February - Lanark, IL
  • Average rainfall in February: 0.71"

The wettest month (with the highest rainfall) is May (2.76").
The driest months (with the least rainfall) are January and February (0.71").

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Average rainfall days in February
Lanark, IL

Average rainfall days in February - Lanark, IL
  • Average rainfall days in February: 4.4 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in February
Lanark, IL

Average snowfall in February - Lanark, IL
  • Average snowfall in February: 2.2"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in February
Lanark, IL

Average snowfall days in February - Lanark, IL
  • Average snowfall days in February: 9.3 days

The month with the highest number of snowfall days is January (11.2 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
Lanark, IL

Average daylight in February / Average sunshine in February - Lanark, IL
  • Average daylight in February: 10h and 37min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 10min).

  • Average sunshine in February: 3h and 48min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in February
Lanark, IL

Average sunshine days in February - Lanark, IL
  • Average sunshine days in February: 16 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10 days).

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Average UV index in February
Lanark, IL

Average UV index in February - Lanark, IL
  • Average UV index in February: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in February
Lanark, IL

Average cloud cover in February - Lanark, IL
  • Average cloud cover in February: 59

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in February
Lanark, IL

Average visibility in February - Lanark, IL
  • Average visibility in February: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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