April weather forecastNew Vienna, IA
April
Weather in April
April in New Vienna, Iowa, is a mild spring month, with an average temperature varying between 55.9°F (13.3°C) and 39°F (3.9°C).Temperature
April comes with an increase, with the average high-temperature moving from a chilly 42.8°F (6°C) in March to a moderate 55.9°F (13.3°C). New Vienna cools down to an average low-temperature of 39°F (3.9°C) throughout the month of April.Humidity
April and October, with an average relative humidity of 76%, are the least humid months.Rainfall
In April, the rain falls for 16.5 days. Throughout April, 3.43" (87mm) of precipitation is accumulated. Throughout the year, there are 150.8 rainfall days, and 32.4" (823mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.8 snowfall days, in April, New Vienna aggregates 1.54" (39mm) of snow. In New Vienna, Iowa, during the entire year, snow falls for 53.4 days and aggregates up to 22.4" (569mm) of snow.Daylight
In April, the average length of the day is 13h and 25min.On the first day of April, sunrise is at 6:45 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:03 pm CDT.
Sunshine
The average sunshine in April is 7h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 4 in April transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
New Vienna, IA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in April: 39°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in April
New Vienna, IA
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
New Vienna, IA
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
New Vienna, IA
- Average humidity in April: 76%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in April
New Vienna, IA
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in April
New Vienna, IA
- Average rainfall days in April: 16.5 days
The months with the highest number of rainy days are May and June (19.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in April
New Vienna, IA
- Average snowfall in April: 1.54"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
New Vienna, IA
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is January (14 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
New Vienna, IA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
New Vienna, IA
- Average sunshine days in April: 10.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in April
New Vienna, IA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
New Vienna, IA
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in April
New Vienna, IA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
