Climate and monthly weather forecast
Rio, WI

Weather in January

January, the same as December, in Rio, Wisconsin, is a freezing cold winter month, with temperature in the range of an average high of 22.6°F (-5.2°C) and an average low of 10.6°F (-11.9°C). January is the coldest month, with an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 10.6°F (-11.9°C). Weather in January »

Weather in February

February, the last month of the winter in Rio, is another freezing cold month, with an average temperature varying between 13.5°F (-10.3°C) and 26.1°F (-3.3°C). In Rio, the average high-temperature in February is essentially the same as in January - a still subzero cold 26.1°F (-3.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Rio, Wisconsin, with an average temperature ranging between min 26.1°F (-3.3°C) and max 40.6°F (4.8°C). In Rio, the average high-temperature in March soars, from a freezing cold 26.1°F (-3.3°C) in February, to a cold 40.6°F (4.8°C). Weather in March »

Weather in April

April in Rio, Wisconsin, is a cool spring month, with an average temperature fluctuating between 36.7°F (2.6°C) and 53.2°F (11.8°C). In Rio, the average high-temperature in April rises from a wintry 40.6°F (4.8°C) in March to a fresh 53.2°F (11.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Rio, Wisconsin, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 47.7°F (8.7°C). In May, the average high-temperature rises from a cool 53.2°F (11.8°C) in April to an enjoyable 65.8°F (18.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Rio, Wisconsin, with an average temperature ranging between min 56.7°F (13.7°C) and max 74.5°F (23.6°C). In June, the average high-temperature marginally rises from an enjoyable 65.8°F (18.8°C) in May to a moderately hot 74.5°F (23.6°C). Weather in June »

Weather in July

July, like June, in Rio, Wisconsin, is a moderately hot summer month, with an average temperature ranging between max 78.6°F (25.9°C) and min 61.2°F (16.2°C). The warmest month is July, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 61.2°F (16.2°C). Weather in July »

Weather in August

August, the last month of the summer in Rio, is also a moderately hot month, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 77.4°F (25.2°C). In Rio, the average high-temperature in August is relatively the same as in July - a still warm 77.4°F (25.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Rio, Wisconsin, with an average temperature fluctuating between 71.1°F (21.7°C) and 51.3°F (10.7°C). In September, the average high-temperature slightly decreases from a warm 77.4°F (25.2°C) in August to an agreeable 71.1°F (21.7°C). Weather in September »

Weather in October

October, the same as September, in Rio, Wisconsin, is a moderate autumn month, with an average temperature fluctuating between 41.4°F (5.2°C) and 56.5°F (13.6°C). In October, the average high-temperature significantly decreases from an agreeable 71.1°F (21.7°C) in September to a mild 56.5°F (13.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Rio, Wisconsin, with an average temperature ranging between max 41.9°F (5.5°C) and min 29.7°F (-1.3°C). In November, the average high-temperature significantly decreases from a moderate 56.5°F (13.6°C) in October to a cold 41.9°F (5.5°C). Weather in November »

Weather in December

December, the first month of the winter in Rio, is also a subzero cold month, with an average temperature varying between 19.2°F (-7.1°C) and 29.1°F (-1.6°C). In December, the average high-temperature drops from a cold 41.9°F (5.5°C) in November to a subzero cold 29.1°F (-1.6°C). Weather in December »
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FAQ

What is the coldest month in Rio?

The coldest month in Rio is January, with an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 10.6°F (-11.9°C).

What is the most humid month in Rio?

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

How many days does it rain in Rio?

In Rio, during the entire year, the rain falls for 134.5 days and collects up to 26.97" (685mm) of precipitation.

When does it snow in Rio?

Months with snowfall are January through May, October through December.

What is the snowiest month in Rio?

The month with the most snowfall in Rio is January, when snow falls for 14.4 days and typically aggregates up to 5.16" (131mm) of snow.

How many days does it snow in Rio?

In Rio, during the entire year, snow falls for 54.7 days and aggregates up to 19.06" (484mm) of snow.

What is the month with the least sunshine in Rio?

January has the least sunshine of the year, with an average of 3.2h of sunshine.

What are the months with the lowest UV index in Rio?

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

What is the driest month in Rio?

February is the month with the least rainfall. Rain falls for 4.2 days and accumulates 1.1" (28mm) of precipitation.

When is Daylight Saving Time (DST) in Rio?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Rio?

The least humid month in Rio, Wisconsin, is April, with an average relative humidity of 76%.

What is the wettest month in Rio?

The month with the most rainfall in Rio is June, when the rain falls for 17.2 days and typically aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Rio?

June through September are months without snowfall.

When are the longest days in Rio?

June has the longest days of the year, with an average of 15h and 22min of daylight.

What is the warmest month in Rio?

The warmest month in Rio is July, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 61.2°F (16.2°C).

What month has the most sunshine in Rio?

The month with the most sunshine in Rio is July, with an average of 9.9h of sunshine.

What is the month with the highest UV index in Rio?

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

What is the month with the shortest days in Rio?

With an average of 9h and 1min of daylight, December has the shortest days of the year.

Average temperature
Rio, WI

Average temperature - Rio, WI

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).

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).

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Average pressure
Rio, WI

Average pressure - Rio, WI

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).

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Average wind speed
Rio, WI

Average wind speed - Rio, WI

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).

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Average rainfall
Rio, WI

Average rainfall - Rio, WI

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days
Rio, WI

Average rainfall days - Rio, WI

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).

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Average snowfall
Rio, WI

Average snowfall - Rio, WI

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Rio, WI

Average snowfall days - Rio, WI

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).

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Average daylight / Average sunshine
Rio, WI

Average daylight / Average sunshine - Rio, WI

The month with the longest days is June (Average daylight: 15h and 22min).
The month with the shortest days is December (Average daylight: 9h 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).

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Average sunshine days
Rio, WI

Average sunshine days - Rio, WI

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (10.8 days).

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Average visibility
Rio, WI

Average visibility - Rio, WI

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).

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