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
Arnold's transition into April sees a rise in the average high-temperature, advancing from a chilly 44.1°F (6.7°C) in March to a moderate 56.8°F (13.8°C). During the month of April, an average temperature of 41°F (5°C) is noted during the nights.Humidity
In Arnold, the average relative humidity in April is 69%.Rainfall
In Arnold, in April, during 14.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Arnold, during the entire year, the rain falls for 130.6 days and collects up to 25" (635mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Arnold, during April, snow falls for 2 days and regularly aggregates up to 1.18" (30mm) of snow. In Arnold, during the entire year, snow falls for 41.2 days and aggregates up to 18.11" (460mm) of snow.Daylight
In Arnold, the average length of the day in April is 13h and 25min.On the first day of April, sunrise is at 6:57 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:16 pm CDT.
Sunshine
In April, the average sunshine is 8h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during April translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. 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
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Arnold have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Arnold have in April?
How high is the UV index in April?
Average temperature in April
Arnold, IA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in April: 41°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in April
Arnold, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Arnold, IA
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in April
Arnold, IA
- Average humidity in April: 69%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Arnold, IA
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in April
Arnold, IA
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in April
Arnold, IA
- Average snowfall in April: 1.18"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Arnold, IA
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Arnold, 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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Arnold, IA
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in April
Arnold, 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, February, November and December (UV index 2).
Average cloud cover in April
Arnold, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in April
Arnold, 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).
Arnold, Iowa, USA
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