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 shift from March to April in Oskaloosa, Iowa, brings an increase in the average high-temperature, moving from a frosty 47.5°F (8.6°C) to a refreshing 59.5°F (15.3°C). Oskaloosa experiences a mean temperature of 42.4°F (5.8°C) during April nights.Humidity
In April, the average relative humidity in Oskaloosa is 74%.Rainfall
In Oskaloosa, during April, the rain falls for 14.5 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 141.1 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
Months with snowfall in Oskaloosa are January through May, October through December. In Oskaloosa, Iowa, in April, during 1.1 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, there are 32.1 snowfall days, and 15.28" (388mm) of snow is accumulated.Daylight
The average length of the day in April in Oskaloosa is 13h and 21min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:36 pm. On the last day of April, in Oskaloosa, sunrise is at 6:08 am and sunset at 8:07 pm CDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index in Oskaloosa is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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 is the usual temperature for Oskaloosa in April?
What is the average humidity in April in Oskaloosa?
How much does it rain in Oskaloosa in April?
How much does it snow in Oskaloosa in April?
What is the average length of the day in April in Oskaloosa?
When is the sunrise / sunset in April in Oskaloosa?
How many hours of sunshine does Oskaloosa have in April?
How high is the UV index in April in Oskaloosa?
Average temperature in April
Oskaloosa, IA
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in April
Oskaloosa, 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 (29.89"Hg).
Average wind speed in April
Oskaloosa, IA
- Average wind speed in April: 10.5mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in April
Oskaloosa, IA
- Average humidity in April: 74%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Oskaloosa, IA
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in April
Oskaloosa, IA
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in April
Oskaloosa, IA
- Average snowfall in April: 0.87"
The month with the highest snowfall is February (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Oskaloosa, IA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Oskaloosa, 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 18min).
- Average sunshine in April: 8h and 1min
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 12min).
Average sunshine days in April
Oskaloosa, IA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9 days).
Average UV index in April
Oskaloosa, 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
Oskaloosa, IA
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in April
Oskaloosa, 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).
Oskaloosa, Iowa, USA
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