April weather forecastWaltonville, IL
April
Weather in April
April is a comfortable spring month in Waltonville, Illinois, with an average temperature fluctuating between 65.8°F (18.8°C) and 48.4°F (9.1°C).Temperature
As Waltonville transitions into April, the average high-temperature shows a change, moving from a cool 55°F (12.8°C) in March to an enjoyable 65.8°F (18.8°C). Waltonville, during April nights, observes an average temperature of 48.4°F (9.1°C).Humidity
In Waltonville, the average relative humidity in April is 77%.Rainfall
The month with the most rainfall is April, when the rain falls for 13.1 days and typically aggregates up to 2.56" (65mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Waltonville aggregates 0.04" (1mm) of snow. Throughout the year, in Waltonville, there are 14.5 snowfall days, and 2.64" (67mm) of snow is accumulated.Daylight
In Waltonville, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:59 am and sunset at 7:46 pm CDT.
Sunshine
In Waltonville, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index in Waltonville is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in April translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Waltonville, IL
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 48.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in April
Waltonville, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Waltonville, IL
- Average wind speed in April: 9.5mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in April
Waltonville, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Waltonville, IL
- Average rainfall in April: 2.56"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in April
Waltonville, IL
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Waltonville, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Waltonville, IL
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (4.5 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
Waltonville, IL
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Waltonville, IL
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in April
Waltonville, 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, February, November and December (UV index 2).
Average cloud cover in April
Waltonville, IL
- Average cloud cover in April: 42
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in April
Waltonville, 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).
