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 arrival of April brings an increase in high-temperatures, moving from a frosty 47.8°F (8.8°C) in March to a refreshing 60.1°F (15.6°C). Throughout the month of April, Oakville witnesses an average low-temperature of 43.2°F (6.2°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In Oakville, in April, it is raining for 15.2 days, with typically 3.23" (82mm) of accumulated precipitation. In Oakville, during the entire year, the rain falls for 146.3 days and collects up to 30.31" (770mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Oakville. During 0.9 snowfall days, in April, Oakville aggregates 1.02" (26mm) of snow. In Oakville, during the entire year, snow falls for 34.1 days and aggregates up to 14.69" (373mm) of snow.Daylight
In April, the average length of the day in Oakville is 13h and 20min.On the first day of April, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:00 pm CDT.
Sunshine
In Oakville, the average sunshine in April is 8h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in April transforms into this advice:
Act with care - The need to guard against sun damage is communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April in Oakville?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April in Oakville?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Oakville, IA
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in April: 43.2°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 (16.7°F).
Average pressure in April
Oakville, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Oakville, IA
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Oakville, IA
- Average humidity in April: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Oakville, IA
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days in April
Oakville, IA
- Average rainfall days in April: 15.2 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in April
Oakville, IA
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Oakville, IA
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (10.1 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
Oakville, 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 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 18min).
Average sunshine days in April
Oakville, IA
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in April
Oakville, 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
Oakville, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Oakville, 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).
Oakville, Iowa, USA
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