Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In Alta Vista, the onset of April comes with an increased average high-temperature, moving from March's icy 41.4°F (5.2°C) to a fresh 54.5°F (12.5°C). Alta Vista experiences an average temperature drop to a wintry 38.3°F (3.5°C) during April nights.Humidity
In Alta Vista, Iowa, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 10.8 days. Throughout April, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Alta Vista, there are 98 rainfall days, and 9.8" (249mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Alta Vista, during April, snow falls for 1.8 days and regularly aggregates up to 0.75" (19mm) of snow. Throughout the year, in Alta Vista, there are 36.8 snowfall days, and 6.22" (158mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 26min.On the first day of April in Alta Vista, sunrise is at 6:49 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:10 pm CDT.
Sunshine
In Alta Vista, the average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index in Alta Vista is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the UV index of 3 transforms into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alta Vista in April?
What is the average humidity in April in Alta Vista?
How much does it rain in Alta Vista in April?
How much does it snow in Alta Vista in April?
How many hours of daylight does Alta Vista have in April?
When are sunrise and sunset in April in Alta Vista?
How long on average sun shines in April in Alta Vista?
How high is the UV index in April in Alta Vista?
Average temperature in April
Alta Vista, IA
- Average high temperature in April: 54.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in April: 38.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in April
Alta Vista, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Alta Vista, 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 (7.2mph).
Average humidity in April
Alta Vista, IA
- Average humidity in April: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Alta Vista, IA
- Average rainfall in April: 0.87"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in April
Alta Vista, IA
- Average rainfall days in April: 10.8 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2 days).
Average snowfall in April
Alta Vista, IA
- Average snowfall in April: 0.75"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Alta Vista, IA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Alta Vista, IA
- Average daylight in April: 13h and 2min
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 0min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Alta Vista, IA
- Average sunshine days in April: 16.5 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in April
Alta Vista, IA
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Alta Vista, IA
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Alta Vista, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Alta Vista, Iowa, USA
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