April weather forecastIndianola, IL
April
Weather in April
April in Indianola, Illinois, is a refreshing spring month, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 61.2°F (16.2°C).Temperature
Indianola's transition into April is marked by a temperature shift, moving from a chilly 49.1°F (9.5°C) in March to a comfortable 61.2°F (16.2°C). An average nighttime temperature of 45°F (7.2°C) is noted during the month of April.Humidity
In April, the average relative humidity is 76%.Rainfall
April is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.23" (82mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.9 snowfall days, in April, Indianola aggregates 0.28" (7mm) of snow. Throughout the year, in Indianola, there are 35.2 snowfall days, and 8.82" (224mm) of snow is accumulated.Daylight
In Indianola, the average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:15 pm. On the last day of April, sunrise is at 5:51 am and sunset at 7:44 pm CDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Indianola, IL
- Average high temperature in April: 61.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in April
Indianola, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Indianola, IL
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Indianola, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Indianola, IL
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").
Average rainfall days in April
Indianola, IL
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in April
Indianola, IL
- Average snowfall in April: 0.28"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Indianola, IL
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (10.6 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
Indianola, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Indianola, IL
- Average sunshine days in April: 11.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in April
Indianola, IL
- Average UV index in April: 4
The months with the highest UV index are 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
Indianola, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in April
Indianola, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





