Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
East Saint Louis, Illinois, sees an increase in average high-temperatures during April, moving from a fresh 54.3°F (12.4°C) in March to an enjoyable 65.1°F (18.4°C). An average low-temperature of 48°F (8.9°C) is common in East Saint Louis during the nights of April.Humidity
In April, the average relative humidity is 75%.Rainfall
In April, in East Saint Louis, Illinois, the rain falls for 15.5 days. Throughout April, 3.86" (98mm) of precipitation is accumulated. In East Saint Louis, during the entire year, the rain falls for 154.5 days and collects up to 35.51" (902mm) of precipitation.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 the month, sunrise is at 6:44 am and sunset at 7:24 pm. On the last day of April, sunrise is at 6:03 am and sunset at 7:52 pm CDT.
Sunshine
In East Saint Louis, the average sunshine in April is 8.5h.UV index
In East Saint Louis, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during April translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the temperature in April in East Saint Louis?
What is the average humidity in April in East Saint Louis?
How much does it rain in East Saint Louis in April?
When it does not snow in East Saint Louis?
Does it snow in East Saint Louis in April?
What is the average length of the day in April in East Saint Louis?
When are sunrise and sunset in April in East Saint Louis?
How many hours of sunshine does East Saint Louis have in April?
How high is the UV index in April in East Saint Louis?
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 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: 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).
East Saint Louis, Illinois, USA
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