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
April brings a rise in the average high-temperature, transitioning from March's chilly 43.3°F (6.3°C) to a refreshing 56.3°F (13.5°C). Allison records an average temperature drop to a cold 39.9°F (4.4°C) in April.Humidity
The average relative humidity in April is 73%.Rainfall
In April, in Allison, the rain falls for 15.9 days. Throughout April, 3.43" (87mm) of precipitation is accumulated. In Allison, Iowa, during the entire year, the rain falls for 148.3 days and collects up to 31.02" (788mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Allison. In Allison, during April, snow falls for 2.3 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, in Allison, there are 53.2 snowfall days, and 22.4" (569mm) of snow is accumulated.Daylight
The average length of the day in April in Allison is 13h and 25min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:37 pm. On the last day of April, in Allison, Iowa, sunrise is at 6:05 am and sunset at 8:11 pm CDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In Allison, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 3 in April translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. To guard against the harmful effects of the Sun, minimize exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Allison?
What is the average humidity in April in Allison?
How much does it rain in Allison in April?
How much does it snow in Allison in April?
How many hours of daylight does Allison have in April?
What time are sunrise and sunset in April in Allison?
How long on average sun shines in April in Allison?
How high is the UV index in April in Allison?
Average temperature in April
Allison, IA
- Average high temperature in April: 56.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in April
Allison, IA
- Average pressure in April: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Allison, IA
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Allison, IA
- Average humidity in April: 73%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Allison, IA
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in April
Allison, IA
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in April
Allison, IA
- Average snowfall in April: 2.01"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Allison, IA
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Allison, 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 6min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Allison, IA
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in April
Allison, IA
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Allison, IA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in April
Allison, IA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Allison, Iowa, USA
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