April weather forecastAlta, IA
April
Weather in April
April is a mild spring month in Alta, Iowa, with an average temperature varying between 57.2°F (14°C) and 41.2°F (5.1°C).Temperature
As March transitions into April, a change in temperatures is observed, with average highs moving from a chilly 44.6°F (7°C) to a mild 57.2°F (14°C). In April, Alta experiences an average nighttime temperature of 41.2°F (5.1°C).Humidity
April and October, with an average relative humidity of 68%, are the least humid months.Rainfall
In Alta, during April, the rain falls for 14.8 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Alta, during the entire year, the rain falls for 135.1 days and collects up to 26.73" (679mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Alta, during April, snow falls for 2.3 days and regularly aggregates up to 1.77" (45mm) of snow. In Alta, during the entire year, snow falls for 50 days and aggregates up to 20.04" (509mm) of snow.Daylight
In Alta, the average length of the day in April is 13h and 25min.On the first day of April, sunrise is at 7:01 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:20 pm CDT.
Sunshine
The average sunshine in April is 8h.UV index
In April, the average daily maximum UV index in Alta is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in April translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Alta, IA
- Average high temperature in April: 57.2°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 (24.6°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in April
Alta, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Alta, IA
- Average wind speed in April: 11.2mph
The windiest months (with the highest average wind speed) are January and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in April
Alta, IA
- Average humidity in April: 68%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in April
Alta, IA
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in April
Alta, IA
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in April
Alta, IA
- Average snowfall in April: 1.77"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Alta, IA
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Alta, 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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Alta, IA
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in April
Alta, IA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in April
Alta, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Alta, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
