Climate and monthly weather forecast
Sioux, WI

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Weather in January

January, the same as December, in Sioux, Wisconsin, is a freezing cold winter month, with an average temperature fluctuating between 10.8°F (-11.8°C) and 20.3°F (-6.5°C). Sioux records the coldest temperatures in January, averaging a high of 20.3°F (-6.5°C) and a low of 10.8°F (-11.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Sioux, Wisconsin, with an average temperature ranging between min 12.6°F (-10.8°C) and max 22.6°F (-5.2°C). The shift from January to February is characterized by an average high-temperature of a still subzero cold 22.6°F (-5.2°C), not significantly different from the 20.3°F (-6.5°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Sioux, Wisconsin, with an average temperature fluctuating between 24.1°F (-4.4°C) and 34.2°F (1.2°C). March brings a temperature increase, with average high-temperatures moving from February's freezing cold 22.6°F (-5.2°C) to a cold 34.2°F (1.2°C). Weather in March »

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). 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). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Sioux, Wisconsin, with an average temperature fluctuating between 41.9°F (5.5°C) and 56.5°F (13.6°C). In May, the meteorological conditions change with the average high-temperature moving from a chilly 43.9°F (6.6°C) in April to a moderate 56.5°F (13.6°C). Weather in May »

Weather in June

June, the first month of the summer in Sioux, is a refreshing month, with an average temperature fluctuating between 64.8°F (18.2°C) and 49.8°F (9.9°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a moderate 56.5°F (13.6°C) to an enjoyable 64.8°F (18.2°C). Weather in June »

Weather in July

July in Sioux, Wisconsin, is a pleasant summer month, with an average temperature varying between 72.3°F (22.4°C) and 57.6°F (14.2°C). In July, the average high-temperature marginally rises from a refreshing 64.8°F (18.2°C) in June to an agreeable 72.3°F (22.4°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Sioux, Wisconsin, with an average temperature varying between 57.9°F (14.4°C) and 72.5°F (22.5°C). The warmest period is August, when temperatures fluctuate between an average high of 72.5°F (22.5°C) and a low of 57.9°F (14.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Sioux, is still a refreshing month, with an average temperature ranging between max 65.3°F (18.5°C) and min 52.5°F (11.4°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a pleasant 72.5°F (22.5°C) in August to an enjoyable 65.3°F (18.5°C). Weather in September »

Weather in October

October, like September, in Sioux, Wisconsin, is a cool autumn month, with an average temperature varying between 50.7°F (10.4°C) and 41.7°F (5.4°C). With the onset of October, Sioux's average high-temperature experiences a noticeable drop, receding from September's refreshing 65.3°F (18.5°C) to a cool 50.7°F (10.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Sioux, is also a wintry month, with an average temperature varying between 37.6°F (3.1°C) and 29.3°F (-1.5°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's cool 50.7°F (10.4°C) to an icy 37.6°F (3.1°C). Weather in November »

Weather in December

December, the first month of the winter in Sioux, is still a freezing cold month, with an average temperature varying between 18°F (-7.8°C) and 25.3°F (-3.7°C). Sioux in December experiences a subtle temperature decline, with average high-temperatures reducing from a cold 37.6°F (3.1°C) in November to a subzero cold 25.3°F (-3.7°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Sioux?

Sioux's coldest temperatures are experienced in January, with average high temperatures of 20.3°F (-6.5°C) and lows of 10.8°F (-11.8°C).

What is the most humid month in Sioux?

The most humid month in Sioux, Wisconsin, is January, with an average relative humidity of 89%.

What is the driest month in Sioux?

January and February are months with the least rain when the rain falls for 4.2 days and typically aggregates up to 1.06" (27mm) of rain.

How many days does it rain in Sioux?

Throughout the year, in Sioux, there are 127.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

When does it snow in Sioux?

Months with snowfall in Sioux, Wisconsin, are January through May, October through December.

When does it snow the most in Sioux?

January is the month with the most snowfall in Sioux, Wisconsin. Snow falls for 22.3 days and accumulates 6.85" (174mm) of snow.

How many days does it snow in Sioux?

Throughout the year, in Sioux, there are 95.5 snowfall days, and 33.54" (852mm) of snow is accumulated.

What is the month with the least sunshine in Sioux?

With an average of 2.4h of sunshine, January has the least sunshine of the year in Sioux, Wisconsin.

What is the month with the lowest UV index in Sioux?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Sioux?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sioux, Wisconsin, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Sioux?

The least humid month in Sioux is May, with an average relative humidity of 75%.

What is the wettest month in Sioux?

The wettest months are May and July, with an average 2.56" (65mm) of rainfall.

When it does not snow in Sioux?

In Sioux, Wisconsin, snow does not fall in June through September.

When are the longest days in Sioux?

With an average of 15h and 48min of daylight, June has the longest days of the year in Sioux, Wisconsin.

What month has the most sunshine in Sioux?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

When is the highest UV index in Sioux?

The month with the highest UV index in Sioux, Wisconsin, is July, with an average maximum UV index of 6.

What is the warmest month in Sioux?

Sioux, Wisconsin, records the warmest temperatures in August, averaging a high of 72.5°F (22.5°C) and a low of 57.9°F (14.4°C).

What is the month with the shortest days in Sioux?

The month with the shortest days in Sioux, Wisconsin, is December, with an average of 8h and 36min of daylight.

Average temperature
Sioux, WI

Average temperature - Sioux, WI

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).

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
Sioux, WI

Average pressure - Sioux, WI

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
Sioux, WI

Average wind speed - Sioux, WI

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 rainfall
Sioux, WI

Average rainfall - Sioux, WI

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
Sioux, WI

Average rainfall days - Sioux, WI

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
Sioux, WI

Average snowfall - Sioux, WI

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
Sioux, WI

Average snowfall days - Sioux, WI

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 / Average sunshine
Sioux, WI

Average daylight / Average sunshine - Sioux, WI

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).

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
Sioux, WI

Average sunshine days - Sioux, WI

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 visibility
Sioux, WI

Average visibility - Sioux, WI

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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