April weather forecastUnionville, IL
April
Weather in April
April in Unionville, Illinois, is a refreshing spring month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 49.6°F (9.8°C).Temperature
Observing a rise in April, the average high-temperature goes from March's mild 56.8°F (13.8°C) to a still refreshing 67.8°F (19.9°C). Unionville encounters an average low-temperature of 49.6°F (9.8°C) during April nights.Humidity
In Unionville, the average relative humidity in April is 77%.Rainfall
In Unionville, in April, during 11.4 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Unionville, during the entire year, the rain falls for 126.4 days and collects up to 16.89" (429mm) of precipitation.Snowfall
April through October are months without snowfall in Unionville.Daylight
In April, the average length of the day is 13h and 11min.On the first day of April in Unionville, sunrise is at 6:38 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:42 pm CDT.
Sunshine
The average sunshine in April is 8.6h.UV index
In Unionville, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 5 during April, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Unionville, IL
- Average high temperature in April: 67.8°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in April: 49.6°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in April
Unionville, IL
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Unionville, IL
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Unionville, IL
- Average humidity in April: 77%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Unionville, IL
- Average rainfall in April: 1.69"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in April
Unionville, IL
- Average rainfall days in April: 11.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is October (7.6 days).
Average snowfall in April
Unionville, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Unionville, IL
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.3 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
Unionville, IL
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 8h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Unionville, IL
- Average sunshine days in April: 16.8 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in April
Unionville, IL
- Average UV index in April: 5
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 and December (UV index 2).
Average cloud cover in April
Unionville, IL
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in April
Unionville, 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).
