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 comes with an increase, with the average high-temperature moving from an icy 40.6°F (4.8°C) in March to a fresh 53.2°F (11.8°C). During April, Rio experiences an average low-temperature of 36.7°F (2.6°C) at night.Humidity
With an average relative humidity of 76%, April is the least humid month.Rainfall
In Rio, in April, during 14.5 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 134.5 rainfall days, and 26.97" (685mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rio, during April, snow falls for 3.3 days and regularly aggregates up to 2.2" (56mm) of snow. In Rio, during the entire year, snow falls for 54.7 days and aggregates up to 19.06" (484mm) of snow.Daylight
In April, the average length of the day is 13h and 27min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:24 pm. On the last day of April, sunrise is at 5:49 am and sunset at 7:58 pm CDT.
Sunshine
In Rio, the average sunshine in April is 7.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Rio have in April?
What is the UV index intensity in April?
Average temperature in April
Rio, WI
- Average high temperature in April: 53.2°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in April: 36.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in April
Rio, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Rio, WI
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Rio, WI
- Average humidity in April: 76%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Rio, WI
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in April
Rio, WI
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in April
Rio, WI
- Average snowfall in April: 2.2"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rio, WI
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rio, WI
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in April
Rio, WI
- Average sunshine days in April: 12 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in April
Rio, WI
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Rio, WI
- Average cloud cover in April: 53
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in April
Rio, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Rio, Wisconsin, USA
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