April weather forecastCorydon, IA
April
Weather in April
April is a moderate spring month in Corydon, Iowa, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 60.4°F (15.8°C).Temperature
April's arrival brings a change in high-temperatures, moving from a frosty 48.7°F (9.3°C) in March to a moderate 60.4°F (15.8°C). During the month of April, the temperature in Corydon falls to an average of 42.8°F (6°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In Corydon, in April, during 13.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Corydon, during the entire year, the rain falls for 125.7 days and collects up to 20.39" (518mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Corydon, in April, during 0.8 snowfall days, 1.69" (43mm) of snow is typically accumulated. Throughout the year, there are 28.4 snowfall days, and 11.34" (288mm) of snow is accumulated.Daylight
The average length of the day in April in Corydon is 13h and 20min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:38 pm. On the last day of April, in Corydon, Iowa, sunrise is at 6:11 am and sunset at 8:08 pm CDT.
Sunshine
The average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 in April translates into these instructions:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Corydon, IA
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in April: 42.8°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in April
Corydon, IA
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Corydon, IA
- Average wind speed in April: 10.4mph
The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Corydon, IA
- Average humidity in April: 74%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Corydon, IA
- Average rainfall in April: 1.73"
The wettest month (with the highest rainfall) is June (3.31").
The driest months (with the least rainfall) are January and December (0.71").
Average rainfall days in April
Corydon, IA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in April
Corydon, IA
- Average snowfall in April: 1.69"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Corydon, IA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Corydon, IA
- 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 18min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Corydon, IA
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in April
Corydon, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Corydon, IA
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in April
Corydon, IA
- 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).





