April weather forecast
Marion, IL

Weather in April

April in Marion, Illinois, is a comfortable spring month, with an average temperature fluctuating between 66.4°F (19.1°C) and 48.7°F (9.3°C).

Temperature

In Marion, the average high-temperature in April increases from a cool 55.2°F (12.9°C) in March to a comfortable 66.4°F (19.1°C). In April, the average low-temperature is 48.7°F (9.3°C).

Humidity

In Marion, the average relative humidity in April is 77%.

Rainfall

April is the month with the most rainfall. Rain falls for 13.8 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Marion. April is the last month it regularly snows. During 0.5 snowfall days, Marion aggregates 0.08" (2mm) of snow. In Marion, during the entire year, snow falls for 14.5 days and aggregates up to 4.13" (105mm) of snow.

Daylight

In Marion, the average length of the day in April is 13h and 12min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:18 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:45 pm CDT.

Sunshine

The average sunshine in April in Marion is 8.6h.

UV index

In Marion, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Marion?

In Marion, Illinois, in April, the average high-temperature is 66.4°F (19.1°C), and the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in April in Marion?

In Marion, Illinois, the average relative humidity in April is 77%.

What is the wettest month in Marion?

The month with the most rainfall is April, when the rain falls for 13.8 days and typically aggregates up to 3.11" (79mm) of precipitation.

How many days does it rain in April in Marion?

In April, in Marion, the rain falls for 13.8 days. Throughout April, 3.11" (79mm) of precipitation is accumulated.

What is the last month it snows in Marion?

April is the last month it regularly snows in Marion, Illinois. During 0.5 snowfall days, in April, Marion aggregates 0.08" (2mm) of snow.

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

The average day length in April in Marion, Illinois, is 13h and 12min.

When are sunrise and sunset in April in Marion?

In April, on the first day of the month, sunrise is at 6:40 am and sunset at 7:18 pm. On the last day of the month, in Marion, sunrise is at 6:00 am and sunset at 7:45 pm CDT.

How many hours of sunshine does Marion have in April?

In April, the average sunshine duration in Marion is 8.6h.

What is the UV index intensity in April in Marion?

In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Marion, IL

Average temperature in April - Marion, IL
  • Average high temperature in April: 66.4°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in April: 48.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in April
Marion, IL

Average pressure in April - Marion, IL
  • Average pressure in April: 29.96"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 April
Marion, IL

Average wind speed in April - Marion, IL
  • Average wind speed in April: 9.1mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in April
Marion, IL

Average humidity in April - Marion, IL
  • Average humidity in April: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Marion, IL

Average rainfall in April - Marion, IL
  • Average rainfall in April: 3.11"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").

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Average rainfall days in April
Marion, IL

Average rainfall days in April - Marion, IL
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in April
Marion, IL

Average snowfall in April - Marion, IL
  • Average snowfall in April: 0.08"

The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Marion, IL

Average snowfall days in April - Marion, IL
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Marion, IL
  • Average daylight in April: 13h and 12min

The month with the longest days is June (Average daylight: 14h and 44min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in April: 8h and 36min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in April
Marion, IL

Average sunshine days in April - Marion, IL
  • Average sunshine days in April: 13.7 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in April
Marion, IL

Average UV index in April - Marion, IL
  • Average UV index in April: 5

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 and December (UV index 2).

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Average cloud cover in April
Marion, IL

Average cloud cover in April - Marion, IL
  • Average cloud cover in April: 41

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

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Average visibility in April
Marion, IL

Average visibility in April - Marion, IL
  • Average visibility in April: 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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