April weather forecastMount Morris, IL
April
Weather in April
April is a moderate spring month in Mount Morris, Illinois, with an average temperature varying between 40.3°F (4.6°C) and 56.5°F (13.6°C).Temperature
April's arrival coincides with a temperature rise, moving from March's frosty 44.2°F (6.8°C) to a mild 56.5°F (13.6°C). In April, the temperature drops to an average of 40.3°F (4.6°C) at night.Humidity
The months with the lowest humidity in Mount Morris are April and October, with an average relative humidity of 75%.Rainfall
In April, the rain falls for 16.6 days. Throughout April, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 154.8 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mount Morris. In Mount Morris, in April, during 1.8 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Mount Morris, during the entire year, snow falls for 45.5 days and aggregates up to 19.25" (489mm) of snow.Daylight
In Mount Morris, the average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:23 pm. On the last day of April, in Mount Morris, Illinois, sunrise is at 5:53 am and sunset at 7:56 pm CDT.
Sunshine
The average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index in Mount Morris is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during April translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mount Morris, IL
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in April
Mount Morris, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Mount Morris, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in April
Mount Morris, IL
- Average humidity in April: 75%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in April
Mount Morris, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in April
Mount Morris, IL
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Mount Morris, IL
- Average snowfall in April: 0.91"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Mount Morris, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mount Morris, IL
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Mount Morris, IL
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Mount Morris, IL
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Mount Morris, IL
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in April
Mount Morris, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





