April weather forecastAviston, IL
April
Weather in April
April in Aviston, Illinois, is a comfortable spring month, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 64.9°F (18.3°C).Temperature
Aviston in April sees a temperature change, with average high-temperatures moving from a cool 54.1°F (12.3°C) in March to an enjoyable 64.9°F (18.3°C). During April, Aviston's temperature falls to a steady low-temperature average of 47.7°F (8.7°C).Humidity
In April, the average relative humidity in Aviston, Illinois, is 77%.Rainfall
In Aviston, in April, it is raining for 14.9 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, in Aviston, there are 151.1 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Aviston. During 0.3 snowfall days, in April, Aviston aggregates 0.04" (1mm) of snow. In Aviston, during the entire year, snow falls for 22.4 days and aggregates up to 6.1" (155mm) of snow.Daylight
In April, the average length of the day in Aviston is 13h and 14min.On the first day of April, sunrise is at 6:41 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:49 pm CDT.
Sunshine
In April, the average sunshine in Aviston is 8.4h.UV index
In April, the average daily maximum UV index in Aviston, Illinois, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in April translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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
Aviston, IL
- Average high temperature in April: 64.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in April
Aviston, IL
- Average pressure in April: 29.94"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
Aviston, IL
- Average wind speed in April: 9.2mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Aviston, IL
- Average humidity in April: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Aviston, IL
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in April
Aviston, IL
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in April
Aviston, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Aviston, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.5 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
Aviston, 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 30min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in April
Aviston, IL
- Average sunshine days in April: 13 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in April
Aviston, IL
- Average UV index in April: 4
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
Aviston, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Aviston, 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).
