April weather forecast
Mark, IL

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Weather in April

April is a moderate spring month in Mark, Illinois, with an average temperature fluctuating between 42.4°F (5.8°C) and 59°F (15°C).

Temperature

April's arrival coincides with a temperature rise, moving from March's frosty 47.1°F (8.4°C) to a mild 59°F (15°C). Mark experiences a nighttime temperature average of 42.4°F (5.8°C) during April.

Humidity

In April, the average relative humidity is 74%.

Rainfall

In April, in Mark, the rain falls for 17.1 days. Throughout April, 3.82" (97mm) of precipitation is accumulated. In Mark, during the entire year, the rain falls for 152.7 days and collects up to 30.79" (782mm) of precipitation.

Snowfall

Months with snowfall in Mark are January through April, October through December. April is the last month it regularly snows in Mark. During 1.4 snowfall days, in April, Mark aggregates 1.22" (31mm) of snow. In Mark, Illinois, during the entire year, snow falls for 39.5 days and aggregates up to 15.31" (389mm) of snow.

Daylight

In April, the average length of the day in Mark, Illinois, is 13h and 21min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of April, in Mark, sunrise is at 5:54 am and sunset at 7:53 pm CDT.

Sunshine

In April, the average sunshine in Mark, Illinois, is 7.9h.

UV index

The average daily maximum UV index in April in Mark, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What are the temperatures in Mark in April?

The high-temperature, in April, in Mark, is 59°F (15°C), while the low-temperature averages to 42.4°F (5.8°C).

What is the average humidity in April in Mark?

In April, the average relative humidity in Mark, Illinois, is 74%.

How many days does it rain in April in Mark?

In Mark, in April, during 17.1 rainfall days, 3.82" (97mm) of precipitation is typically accumulated.

What is the last month it snows in Mark?

April is the last month it regularly snows in Mark, Illinois. During 1.4 snowfall days, in April, Mark aggregates 1.22" (31mm) of snow.

What is the average length of the day in April in Mark?

In April, the average day length in Mark, Illinois, is 13h and 21min.

When are sunrise and sunset in April in Mark?

In April, on the first day of the month, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of the month, in Mark, Illinois, sunrise is at 5:54 am and sunset at 7:53 pm CDT.

How long on average sun shines in April in Mark?

In April, the average sunshine duration in Mark, Illinois, is 7.9h.

What is the UV index reading in April in Mark?

In Mark, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health risk 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 April
Mark, IL

Average temperature in April - Mark, IL
  • Average high temperature in April: 59°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in April: 42.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in April
Mark, IL

Average pressure in April - Mark, IL
  • Average pressure in April: 29.94"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in April
Mark, IL

Average wind speed in April - Mark, IL
  • Average wind speed in April: 10.4mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in April
Mark, IL

Average humidity in April - Mark, IL
  • Average humidity in April: 74%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in April
Mark, IL

Average rainfall in April - Mark, IL
  • Average rainfall in April: 3.82"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").

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Average rainfall days in April
Mark, IL

Average rainfall days in April - Mark, IL
  • Average rainfall days in April: 17.1 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in April
Mark, IL

Average snowfall in April - Mark, IL
  • Average snowfall in April: 1.22"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Mark, IL

Average snowfall days in April - Mark, IL
  • Average snowfall days in April: 1.4 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
Mark, IL

Average daylight in April / Average sunshine in April - Mark, IL
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 7h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in April
Mark, IL

Average sunshine days in April - Mark, IL
  • Average sunshine days in April: 10.2 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).

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Average UV index in April
Mark, IL

Average UV index in April - Mark, IL
  • Average UV index in April: 3

The months with the highest UV index are June, July and August (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 April
Mark, IL

Average cloud cover in April - Mark, IL
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in April
Mark, IL

Average visibility in April - Mark, IL
  • Average visibility in April: 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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Mark, Illinois, USA

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