April weather forecast
East Saint Louis, IL

Share

Weather in April

April is a refreshing spring month in East Saint Louis, Illinois, with an average temperature fluctuating between 65.1°F (18.4°C) and 48°F (8.9°C).

Temperature

East Saint Louis sees an increase in average high-temperatures during April, moving from a cool 54.3°F (12.4°C) in March to a comfortable 65.1°F (18.4°C). East Saint Louis records an average nighttime low-temperature of 48°F (8.9°C) throughout April.

Humidity

In April, the average relative humidity in East Saint Louis is 75%.

Rainfall

In East Saint Louis, in April, during 15.5 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. Throughout the year, there are 154.5 rainfall days, and 35.51" (902mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In April, the average length of the day is 13h and 14min.
On the first day of April in East Saint Louis, sunrise is at 6:44 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:52 pm CDT.

Sunshine

The average sunshine in April is 8.5h.

UV index

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for East Saint Louis in April?

In East Saint Louis, 65.1°F (18.4°C) is the average high-temperature and 48°F (8.9°C) is the average low-temperature during April.

What is the average humidity in April?

In April, the average relative humidity is 75%.

How much does it rain in April?

In East Saint Louis, in April, it is raining for 15.5 days, with typically 3.86" (98mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

Does it snow in April?

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

How many hours of daylight does East Saint Louis have in April?

The average day length in April is 13h and 14min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:44 am and sunset at 7:24 pm. On the last day of the month, in East Saint Louis, Illinois, sunrise is at 6:03 am and sunset at 7:52 pm CDT.

How many hours of sunshine does East Saint Louis have in April?

In East Saint Louis, the average sunshine duration in April is 8.5h.

What is the UV index reading in April in East Saint Louis?

In East Saint Louis, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
East Saint Louis, IL

Average temperature in April - East Saint Louis, IL
  • Average high temperature in April: 65.1°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in April: 48°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 (24.4°F).

Average pressure in April
East Saint Louis, IL

Average pressure in April - East Saint Louis, 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
East Saint Louis, IL

Average wind speed in April - East Saint Louis, IL
  • Average wind speed in April: 8.9mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in April
East Saint Louis, IL

Average humidity in April - East Saint Louis, IL
  • Average humidity in April: 75%

The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in April
East Saint Louis, IL

Average rainfall in April - East Saint Louis, IL
  • Average rainfall in April: 3.86"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.89").

Average rainfall days in April
East Saint Louis, IL

Average rainfall days in April - East Saint Louis, IL
  • Average rainfall days in April: 15.5 days

The months with the highest number of rainy days are May and July (17.5 days).
The month with the least rainy days is January (8 days).

Average snowfall in April
East Saint Louis, IL

Average snowfall in April - East Saint Louis, IL
  • Average snowfall in April: 0"

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

Average snowfall days in April
East Saint Louis, IL

Average snowfall days in April - East Saint Louis, IL
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
East Saint Louis, IL

Average daylight in April / Average sunshine in April - East Saint Louis, 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 36min).

Average sunshine days in April
East Saint Louis, IL

Average sunshine days in April - East Saint Louis, IL
  • Average sunshine days in April: 12.4 days

The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in April
East Saint Louis, IL

Average UV index in April - East Saint Louis, 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 and December (UV index 2).

Average cloud cover in April
East Saint Louis, IL

Average cloud cover in April - East Saint Louis, IL
  • Average cloud cover in April: 41

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in April
East Saint Louis, IL

Average visibility in April - East Saint Louis, 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).

East Saint Louis, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location