April weather forecastAssumption, IL
April
Weather in April
April in Assumption, Illinois, is a refreshing spring month, with an average temperature varying between 62.4°F (16.9°C) and 46.2°F (7.9°C).Temperature
The shift into April is characterized by a rise in the average high-temperature, transitioning from March's fresh 50.9°F (10.5°C) to a refreshing 62.4°F (16.9°C). Assumption throughout April, records an average low-temperature of 46.2°F (7.9°C).Humidity
The average relative humidity in April is 75%.Rainfall
The months with the most rainfall are April and May, with an average 2.91" (74mm) of precipitation.Snowfall
In Assumption, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 16min.On the first day of April, sunrise is at 6:39 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:49 pm CDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 4 during April translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Assumption, IL
- Average high temperature in April: 62.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Assumption, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Assumption, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in April
Assumption, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Assumption, IL
- Average rainfall in April: 2.91"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in April
Assumption, IL
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in April
Assumption, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Assumption, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.6 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
Assumption, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Assumption, IL
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in April
Assumption, IL
- Average UV index in April: 4
The months with the highest UV index are 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
Assumption, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in April
Assumption, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





