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
The onset of April brings a temperature shift, with the average high-temperature moving from a chilly 43.3°F (6.3°C) in March to a mild 55.9°F (13.3°C). Julien records a steady low-temperature average of 38.8°F (3.8°C) during April.Humidity
The average relative humidity in April is 77%.Rainfall
In Julien, during April, the rain falls for 15.1 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Julien, during the entire year, the rain falls for 135.3 days and collects up to 27.4" (696mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2 snowfall days, in April, Julien aggregates 1.22" (31mm) of snow. Throughout the year, in Julien, there are 43.9 snowfall days, and 17.09" (434mm) of snow is accumulated.Daylight
The average length of the day in April in Julien is 13h and 25min.On the first day of April, sunrise is at 6:43 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:02 pm CDT.
Sunshine
The average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Julien in April?
What is the average humidity in April in Julien?
How much does it rain in Julien in April?
What is the last month it snows in Julien?
How many hours of daylight does Julien have in April?
When is the sunrise / sunset in April in Julien?
How long on average sun shines in April in Julien?
What is the UV index intensity in April in Julien?
Average temperature in April
Julien, IA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in April
Julien, IA
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Julien, IA
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Julien, IA
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Julien, IA
- Average rainfall in April: 2.91"
The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in April
Julien, IA
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in April
Julien, IA
- Average snowfall in April: 1.22"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Julien, IA
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Julien, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Julien, IA
- Average sunshine days in April: 11.8 days
The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Julien, 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, November and December (UV index 1).
Average cloud cover in April
Julien, IA
- Average cloud cover in April: 51
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
Julien, 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).
Julien, Iowa, USA
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