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 commencement of April sees a shift in the average high-temperature, moving from an icy 34.2°F (1.2°C) in March to a chilly 43.9°F (6.6°C). In the month of April, the nighttime temperature dips to a steady average of 32.7°F (0.4°C).Humidity
In Sioux, the average relative humidity in April is 78%.Rainfall
In April, the rain falls for 12.4 days. Throughout April, 2.2" (56mm) of precipitation is accumulated. In Sioux, during the entire year, the rain falls for 127.9 days and collects up to 22.56" (573mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sioux, during April, snow falls for 7.3 days and regularly aggregates up to 3.39" (86mm) of snow. In Sioux, during the entire year, snow falls for 95.5 days and aggregates up to 33.54" (852mm) of snow.Daylight
In Sioux, the average length of the day in April is 13h and 37min.On the first day of April, sunrise is at 6:41 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:12 pm CDT.
Sunshine
In Sioux, the average sunshine in April is 7.2h.UV index
In Sioux, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April in Sioux?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Sioux, WI
- Average high temperature in April: 43.9°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in April: 32.7°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in April
Sioux, WI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Sioux, WI
- Average wind speed in April: 9.2mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in April
Sioux, WI
- Average humidity in April: 78%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in April
Sioux, WI
- Average rainfall in April: 2.2"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in April
Sioux, WI
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in April
Sioux, WI
- Average snowfall in April: 3.39"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sioux, WI
- Average snowfall days in April: 7.3 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sioux, WI
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in April
Sioux, WI
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in April
Sioux, 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
Sioux, WI
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Sioux, WI
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Sioux, Wisconsin, USA
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