April weather forecast
Iron, IL

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Weather in April

April in Iron, Illinois, is an enjoyable spring month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 48.7°F (9.3°C).

Temperature

The arrival of April brings a change in Iron's weather, with average high-temperatures moving from March's fresh 54.5°F (12.5°C) to a comfortable 66°F (18.9°C). During April, the temperature tends to dip to an average of 48.7°F (9.3°C) at night.

Humidity

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

Rainfall

April is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

In Iron, snow does not fall in April through October.

Daylight

In Iron, the average length of the day in April is 13h and 13min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:16 pm. On the last day of April, in Iron, Illinois, sunrise is at 5:56 am and sunset at 7:43 pm CDT.

Sunshine

In April, the average sunshine in Iron is 8.7h.

UV index

In Iron, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

April temperatures in Iron, Illinois, vary between a high-temperature of 66°F (18.9°C) and a low-temperature of 48.7°F (9.3°C).

What is the average humidity in April?

In April, the average relative humidity is 77%.

What is the wettest month?

The month with the most rainfall is April, when the rain falls for 11.3 days and typically aggregates up to 1.06" (27mm) of precipitation.

How much does it rain in April?

In Iron, in April, during 11.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in Iron?

In Iron, snow does not fall in April through October.

Does it snow in April?

In April, it doesn't snow. March is the latest month when it typically snows.

What is the average length of the day in April?

The average day length in April is 13h and 13min.

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:36 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:43 pm CDT.

How long on average sun shines in April in Iron?

In Iron, the average sunshine duration in April is 8.7h.

What is the UV index intensity in April?

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Iron, IL

Average temperature in April - Iron, IL
  • Average high temperature in April: 66°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in April: 48.7°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in April
Iron, IL

Average pressure in April - Iron, 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).

Average wind speed in April
Iron, IL

Average wind speed in April - Iron, IL
  • Average wind speed in April: 9.9mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in April
Iron, IL

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

The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in April
Iron, IL

Average rainfall in April - Iron, IL
  • Average rainfall in April: 1.06"

The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in April
Iron, IL

Average rainfall days in April - Iron, IL
  • Average rainfall days in April: 11.3 days

The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (5 days).

Average snowfall in April
Iron, IL

Average snowfall in April - Iron, IL
  • Average snowfall in April: 0"

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April
Iron, IL

Average snowfall days in April - Iron, IL
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Iron, IL
  • Average daylight in April: 13h and 1min

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 April: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in April
Iron, IL

Average sunshine days in April - Iron, IL
  • Average sunshine days in April: 17.7 days

The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is May (15.8 days).

Average UV index in April
Iron, IL

Average UV index in April - Iron, IL
  • Average UV index in April: 4

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 April
Iron, IL

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

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in April
Iron, IL

Average visibility in April - Iron, 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).

Iron, Illinois, USA

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