April weather forecastEast Saint Louis, IL
April
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 12min
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 30min
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: 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: 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: 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: 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).
