April weather forecastMarseilles, IL
April
Weather in April
April is a refreshing spring month in Marseilles, Illinois, with an average temperature fluctuating between 42.4°F (5.8°C) and 58.8°F (14.9°C).Temperature
The start of April signals an increase in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in March to a mild 58.8°F (14.9°C). Marseilles records a steady low-temperature average of 42.4°F (5.8°C) during April.Humidity
In Marseilles, the average relative humidity in April is 74%.Rainfall
In Marseilles, in April, during 17.7 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 31.73" (806mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.4 snowfall days, in April, Marseilles aggregates 1.46" (37mm) of snow. In Marseilles, during the entire year, snow falls for 39.8 days and aggregates up to 15.71" (399mm) of snow.Daylight
The average length of the day in April in Marseilles is 13h and 21min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:52 am and sunset at 7:51 pm CDT.
Sunshine
In Marseilles, the average sunshine in April is 7.8h.UV index
In Marseilles, Illinois, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Marseilles, IL
- Average high temperature in April: 58.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in April
Marseilles, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Marseilles, IL
- Average wind speed in April: 10.1mph
The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in April
Marseilles, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Marseilles, IL
- Average rainfall in April: 3.86"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in April
Marseilles, IL
- Average rainfall days in April: 17.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Marseilles, IL
- Average snowfall in April: 1.46"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Marseilles, IL
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (11.9 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
Marseilles, IL
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 48min
The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Marseilles, IL
- Average sunshine days in April: 10.6 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in April
Marseilles, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Marseilles, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Marseilles, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
