April weather forecastMachesney Park, IL
April
Weather in April
April in Machesney Park, Illinois, is a mild spring month, with an average temperature varying between 39°F (3.9°C) and 55.6°F (13.1°C).Temperature
The shift from March to April sees an increase in the average high-temperature, transitioning from a frosty 43.9°F (6.6°C) to a moderate 55.6°F (13.1°C). Machesney Park reports a consistent average low-temperature of 39°F (3.9°C) throughout April nights.Humidity
The average relative humidity in April is 76%.Rainfall
In Machesney Park, during April, the rain falls for 12.9 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Machesney Park, during the entire year, the rain falls for 123.8 days and collects up to 14.49" (368mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Machesney Park aggregates 0.51" (13mm) of snow. Throughout the year, there are 38.3 snowfall days, and 6.57" (167mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:22 pm. On the last day of April, sunrise is at 5:51 am and sunset at 7:55 pm CDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Be vigilant - Preventing sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Machesney Park, IL
- Average high temperature in April: 55.6°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 (25.5°F).
- Average low temperature in April: 39°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Machesney Park, IL
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Machesney Park, IL
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Machesney Park, IL
- Average humidity in April: 76%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Machesney Park, IL
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is June (2.2").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in April
Machesney Park, IL
- Average rainfall days in April: 12.9 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Machesney Park, IL
- Average snowfall in April: 0.51"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Machesney Park, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.3 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
Machesney Park, 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 6min).
- Average sunshine in April: 7h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in April
Machesney Park, IL
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in April
Machesney Park, IL
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Machesney Park, IL
- Average cloud cover in April: 50
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
Machesney Park, 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).





