April weather forecastKeyesport, IL
April
Weather in April
April is a comfortable spring month in Keyesport, Illinois, with an average temperature varying between 64.6°F (18.1°C) and 47.5°F (8.6°C).Temperature
The average high-temperature increases in April, moving from a cool 53.8°F (12.1°C) in March to an enjoyable 64.6°F (18.1°C). Keyesport, during April, witnesses an average low-temperature of 47.5°F (8.6°C).Humidity
The average relative humidity in April is 77%.Rainfall
In Keyesport, during April, the rain falls for 11.4 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Keyesport, during the entire year, the rain falls for 120.1 days and collects up to 15.55" (395mm) of precipitation.Snowfall
In Keyesport, Illinois, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 14min.On the first day of April, sunrise is at 6:40 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:48 pm CDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
The average daily maximum UV index in April in Keyesport is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 4 in April translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Keyesport, IL
- Average high temperature in April: 64.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in April: 47.5°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in April
Keyesport, 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
Keyesport, IL
- Average wind speed in April: 9.4mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in April
Keyesport, IL
- Average humidity in April: 77%
The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Keyesport, IL
- Average rainfall in April: 1.65"
The wettest month (with the highest rainfall) is June (2.01").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in April
Keyesport, IL
- Average rainfall days in April: 11.4 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in April
Keyesport, 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
Keyesport, IL
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (5.3 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
Keyesport, 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 month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Keyesport, IL
- Average sunshine days in April: 16.6 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in April
Keyesport, 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
Keyesport, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in April
Keyesport, 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).





