April weather forecast
Sioux, WI

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Weather in April

April is a chilly spring month in Sioux, Wisconsin, with an average temperature varying between 43.9°F (6.6°C) and 32.7°F (0.4°C).

Temperature

Sioux's weather in April shows a rise in the average high-temperature, moving up from March's cold 34.2°F (1.2°C) to a frosty 43.9°F (6.6°C). April generally records an average low-temperature of 32.7°F (0.4°C).

Humidity

The average relative humidity in April is 78%.

Rainfall

In April, in Sioux, Wisconsin, 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

January through May, October through December are months with snowfall. In Sioux, in April, during 7.3 snowfall days, 3.39" (86mm) of snow is typically accumulated. Throughout the year, there are 95.5 snowfall days, and 33.54" (852mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 37min.
On the first day of April in Sioux, 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

The average sunshine in April is 7.2h.

UV index

In Sioux, Wisconsin, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 3 during April morphs into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

How cold does it get in Sioux in April?

In Sioux, in April, the average high-temperature is 43.9°F (6.6°C), and the average low-temperature is 32.7°F (0.4°C).

What is the average humidity in April in Sioux?

In Sioux, Wisconsin, the average relative humidity in April is 78%.

How many days does it rain in April in Sioux?

In Sioux, in April, it is raining for 12.4 days, with typically 2.2" (56mm) of accumulated precipitation.

How many days does it snow in April in Sioux?

In Sioux, Wisconsin, during April, snow falls for 7.3 days and regularly aggregates up to 3.39" (86mm) of snow.

What is the average length of the day in April in Sioux?

In April, the average day length is 13h and 37min.

When are sunrise and sunset in April in Sioux?

On the first day of April in Sioux, Wisconsin, 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.

How long on average sun shines in April in Sioux?

In April, the average sunshine duration in Sioux is 7.2h.

What is the UV index intensity in April in Sioux?

In Sioux, Wisconsin, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Sioux, WI

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).

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Average pressure in April
Sioux, WI

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).

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Average wind speed in April
Sioux, WI

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).

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Average humidity in April
Sioux, WI

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%).

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Average rainfall in April
Sioux, WI

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").

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Average rainfall days in April
Sioux, WI

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).

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Average snowfall in April
Sioux, WI

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").

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Average snowfall days in April
Sioux, WI

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).

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Average daylight in April /
Average sunshine in April
Sioux, WI

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).

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Average sunshine days in April
Sioux, WI

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).

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Average UV index in April
Sioux, WI

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).

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Average cloud cover in April
Sioux, WI

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).

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Average visibility in April
Sioux, WI

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).

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Sioux, Wisconsin, USA

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