April weather forecastShawneetown, IL
April
Weather in April
April is an enjoyable spring month in Shawneetown, Illinois, with an average temperature ranging between max 66.4°F (19.1°C) and min 48.9°F (9.4°C).Temperature
April's onset brings a rise in the average high-temperature, moving from a refreshing 55.4°F (13°C) in March to a comfortable 66.4°F (19.1°C). During April nights, Shawneetown witnesses a consistent average temperature of 48.9°F (9.4°C).Humidity
The average relative humidity in April is 77%.Rainfall
The month with the most rainfall is April, when the rain falls for 14.7 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Shawneetown aggregates 0.04" (1mm) of snow. In Shawneetown, Illinois, during the entire year, snow falls for 15.9 days and aggregates up to 3.58" (91mm) of snow.Daylight
The average length of the day in April is 13h and 12min.On the first day of April, sunrise is at 6:36 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:42 pm CDT.
Sunshine
In April, the average sunshine is 8.9h.UV index
In Shawneetown, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In April, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Shawneetown, IL
- Average high temperature in April: 66.4°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 48.9°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in April
Shawneetown, IL
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Shawneetown, IL
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in April
Shawneetown, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Shawneetown, IL
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in April
Shawneetown, IL
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).
Average snowfall in April
Shawneetown, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Shawneetown, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.8 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
Shawneetown, 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 36min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Shawneetown, IL
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in April
Shawneetown, 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 and December (UV index 2).
Average cloud cover in April
Shawneetown, IL
- Average cloud cover in April: 40
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in April
Shawneetown, 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).





