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 beginning of April marks a shift in the average high-temperature, moving from March's frosty 44.2°F (6.8°C) to a refreshing 56.8°F (13.8°C). During April, Onawa Junction records a consistent average nighttime temperature of 40.3°F (4.6°C).Humidity
April and October, with an average relative humidity of 68%, are the least humid months in Onawa Junction.Rainfall
In Onawa Junction, during April, the rain falls for 13.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Onawa Junction, during the entire year, the rain falls for 117 days and collects up to 19.84" (504mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Onawa Junction, during April, snow falls for 1.6 days and regularly aggregates up to 0.67" (17mm) of snow. In Onawa Junction, Iowa, during the entire year, snow falls for 36.4 days and aggregates up to 10.67" (271mm) of snow.Daylight
In April, the average length of the day in Onawa Junction is 13h and 25min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:48 pm. On the last day of April, in Onawa Junction, sunrise is at 6:16 am and sunset at 8:22 pm CDT.
Sunshine
The average sunshine in April in Onawa Junction is 8h.UV index
In Onawa Junction, Iowa, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average UV index of 4 in April transforms into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are the temperatures in Onawa Junction in April?
What are the least humid months in Onawa Junction?
What is the average humidity in April in Onawa Junction?
How many days does it rain in April in Onawa Junction?
How much does it snow in Onawa Junction in April?
How many hours of daylight does Onawa Junction have in April?
When is the sunrise / sunset in April in Onawa Junction?
How long on average sun shines in April in Onawa Junction?
How high is the UV index in April in Onawa Junction?
Average temperature in April
Onawa Junction, IA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in April: 40.3°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°F).
Average pressure in April
Onawa Junction, 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
Onawa Junction, IA
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in April
Onawa Junction, IA
- Average humidity in April: 68%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in April
Onawa Junction, IA
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Onawa Junction, IA
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in April
Onawa Junction, IA
- Average snowfall in April: 0.67"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Onawa Junction, IA
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Onawa Junction, 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Onawa Junction, IA
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Onawa Junction, IA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Onawa Junction, IA
- Average cloud cover in April: 44
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
Onawa Junction, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Onawa Junction, Iowa, USA
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