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's arrival sees a rise in the average high-temperature, jumping from March's chilly 48.2°F (9°C) to a moderate 59.9°F (15.5°C). During April, the average low-temperature is a wintry 42.4°F (5.8°C).Humidity
In Walnut, the average relative humidity in April is 69%.Rainfall
In Walnut, in April, it is raining for 14.2 days, with typically 2.4" (61mm) of accumulated precipitation. In Walnut, during the entire year, the rain falls for 127.7 days and collects up to 26.57" (675mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Walnut, in April, snow falls for 1.3 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, there are 35.8 snowfall days, and 13.82" (351mm) of snow is accumulated.Daylight
In Walnut, the average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 7:02 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:18 pm CDT.
Sunshine
In April, the average sunshine in Walnut is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Act with care - The need to guard against sun damage is communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Walnut in April?
What is the average humidity in April in Walnut?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Walnut, IA
- Average high temperature in April: 59.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in April
Walnut, IA
- Average pressure in April: 29.92"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
Walnut, IA
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in April
Walnut, IA
- Average humidity in April: 69%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Walnut, IA
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in April
Walnut, IA
- Average rainfall days in April: 14.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in April
Walnut, IA
- Average snowfall in April: 0.91"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Walnut, IA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Walnut, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Walnut, IA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in April
Walnut, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Walnut, IA
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Walnut, 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).
Walnut, Iowa, USA
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