April weather forecast
Lebanon, IL

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Weather in April

April is a comfortable spring month in Lebanon, Illinois, with an average temperature varying between 47.8°F (8.8°C) and 65.1°F (18.4°C).

Temperature

Noticing a change, the average high-temperature during April moves from March's fresh 54.5°F (12.5°C) to an enjoyable 65.1°F (18.4°C). Lebanon reports a consistent average low-temperature of 47.8°F (8.8°C) throughout April nights.

Humidity

In April, the average relative humidity is 77%.

Rainfall

In Lebanon, during April, the rain falls for 12.3 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Lebanon, there are 110.1 rainfall days, and 11.1" (282mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in April is 13h and 14min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:23 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:50 pm CDT.

Sunshine

The average sunshine in April is 8.5h.

UV index

In Lebanon, 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 average individuals.
Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

The high-temperature, in April, in Lebanon, records 65.1°F (18.4°C), while the low-temperature is 47.8°F (8.8°C).

What is the average humidity in April in Lebanon?

The average relative humidity in April is 77%.

How much does it rain in April?

In Lebanon, in April, during 12.3 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

When it does not snow?

In Lebanon, 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 in Lebanon is 13h and 14min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:42 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:50 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration is 8.5h.

How high is the UV index in April?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Lebanon, IL

Average temperature in April - Lebanon, IL
  • Average high temperature in April: 65.1°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 (37.8°F).

  • Average low temperature in April: 47.8°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in April
Lebanon, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Lebanon, IL

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

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in April
Lebanon, IL

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

The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in April
Lebanon, IL

Average rainfall in April - Lebanon, IL
  • Average rainfall in April: 1.1"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is February (0.47").

Average rainfall days in April
Lebanon, IL

Average rainfall days in April - Lebanon, IL
  • Average rainfall days in April: 12.3 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in April
Lebanon, IL

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

The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April
Lebanon, IL

Average snowfall days in April - Lebanon, IL
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is January (4.7 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
Lebanon, IL

Average daylight in April / Average sunshine in April - Lebanon, 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 30min).

  • Average sunshine in April: 8h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in April
Lebanon, IL

Average sunshine days in April - Lebanon, IL
  • Average sunshine days in April: 16.2 days

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is July (15.4 days).

Average UV index in April
Lebanon, IL

Average UV index in April - Lebanon, 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
Lebanon, IL

Average cloud cover in April - Lebanon, IL
  • Average cloud cover in April: 42

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

Average visibility in April
Lebanon, IL

Average visibility in April - Lebanon, 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).

Lebanon, Illinois, USA

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