Climate and monthly weather forecast
Winona, MI

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Weather in January

January, like December, is a freezing cold winter month in Winona, Michigan, with an average temperature fluctuating between 22.3°F (-5.4°C) and 14.4°F (-9.8°C). Winona's coldest temperatures are experienced in January, with average high temperatures of 22.3°F (-5.4°C) and lows of 14.4°F (-9.8°C). Weather in January »

Weather in February

February, the last month of the winter in Winona, is also a subzero cold month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 15.1°F (-9.4°C). Winona's weather in February displays an average high-temperature of a still freezing cold 23.4°F (-4.8°C), showing minor disparity from January's 22.3°F (-5.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Winona, Michigan, with an average temperature ranging between max 33.1°F (0.6°C) and min 23.4°F (-4.8°C). With the onset of March, Winona's average high-temperature sees a rise, moving from February's subzero cold 23.4°F (-4.8°C) to a wintry 33.1°F (0.6°C). Weather in March »

Weather in April

April, the same as March, is another cold spring month in Winona, Michigan, with an average temperature varying between 32.4°F (0.2°C) and 41.7°F (5.4°C). With the onset of April, the average high-temperature subtly transitions from 33.1°F (0.6°C) in March to a still cold 41.7°F (5.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a cool month in Winona, Michigan, with an average temperature ranging between min 41°F (5°C) and max 54.3°F (12.4°C). A rise in the average high-temperature is observed during May, moving from a wintry 41.7°F (5.4°C) in April to a fresh 54.3°F (12.4°C). Weather in May »

Weather in June

June, the first month of the summer in Winona, is an enjoyable month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 48.4°F (9.1°C). As June sets, the average high-temperature shows a slight increase, moving up from a fresh 54.3°F (12.4°C) in May to an enjoyable 61.5°F (16.4°C). Weather in June »

Weather in July

July in Winona, Michigan, is a pleasant summer month, with an average temperature varying between 68.2°F (20.1°C) and 55.9°F (13.3°C). The shift into July is accompanied by a modest temperature increase, with the average high-temperature edging up from an enjoyable 61.5°F (16.4°C) in June to a pleasant 68.2°F (20.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Winona, Michigan, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 58.1°F (14.5°C). August stands out as Winona's warmest month, with an average high-temperature of 69.4°F (20.8°C) and a low-temperature of 58.1°F (14.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Winona, is still a comfortable month, with an average temperature varying between 52.7°F (11.5°C) and 63.5°F (17.5°C). The advent of September brings a slight shift in average high-temperature, moving from a pleasant 69.4°F (20.8°C) in August to a refreshing 63.5°F (17.5°C). Weather in September »

Weather in October

October, like September, in Winona, Michigan, is another fresh autumn month, with an average temperature ranging between max 50.2°F (10.1°C) and min 42.3°F (5.7°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's enjoyable 63.5°F (17.5°C) to a cool 50.2°F (10.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Winona, is another cold month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 37.8°F (3.2°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's cool 50.2°F (10.1°C) to a wintry 37.8°F (3.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Winona, Michigan, with an average temperature fluctuating between 27.5°F (-2.5°C) and 21°F (-6.1°C). During the transition into December, Winona observes a decrease in the average high-temperature, falling from an icy 37.8°F (3.2°C) in November to a subzero cold 27.5°F (-2.5°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Winona?

Temperature readings in Winona, Michigan, reach their annual highs in January, averaging 22.3°F (-5.4°C) and a minimum average of 14.4°F (-9.8°C).

What is the most humid month in Winona?

The most humid month is January, with an average relative humidity of 88%.

How many days does it rain in Winona?

Throughout the year, in Winona, there are 122.6 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

When does it snow in Winona?

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

How many days does it snow in Winona?

Throughout the year, there are 100.8 snowfall days, and 33.98" (863mm) of snow is accumulated.

What is the month with the least sunshine in Winona?

January has the least sunshine of the year in Winona, Michigan, with an average of 1.6h of sunshine.

When is the lowest UV index in Winona?

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

What is the driest month in Winona?

The month with the least rainfall in Winona is February, when the rain falls for 2.5 days and typically collects 1.22" (31mm) of precipitation.

When is Daylight Saving Time (DST) in Winona?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest month in Winona?

The months with the most rainfall in Winona are April, June, August and October, with an average 2.28" (58mm) of precipitation.

What is the least humid month in Winona?

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

When it does not snow in Winona?

In Winona, snow does not fall in June through September.

When are the longest days in Winona?

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

What month has the most sunshine in Winona?

The month with the most sunshine is July, with an average of 10.3h of sunshine.

What are the months with the highest UV index in Winona?

July and August, with an average maximum UV index of 5, are months with the highest UV index in Winona.

What month is the hottest in Winona?

Winona records the warmest temperatures in August, averaging a high of 69.4°F (20.8°C) and a low of 58.1°F (14.5°C).

When does it snow the most in Winona?

December is the month with the most snowfall in Winona. Snow falls for 20.5 days and accumulates 6.65" (169mm) of snow.

What is the month with the shortest days in Winona?

December has the shortest days of the year in Winona, Michigan, with an average of 8h and 36min of daylight.

Average temperature
Winona, MI

Average temperature - Winona, MI

The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (22.3°F).

The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure
Winona, MI

Average pressure - Winona, MI

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Winona, MI

Average wind speed - Winona, MI

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).

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Average rainfall
Winona, MI

Average rainfall - Winona, MI

The wettest months (with the highest rainfall) are April, June, August and October (2.28").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days
Winona, MI

Average rainfall days - Winona, MI

The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.5 days).

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Average snowfall
Winona, MI

Average snowfall - Winona, MI

The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Winona, MI

Average snowfall days - Winona, MI

The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Winona, MI

Average daylight / Average sunshine - Winona, MI

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 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).

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Average sunshine days
Winona, MI

Average sunshine days - Winona, MI

The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (5.6 days).

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Average UV index
Winona, MI

Average UV index - Winona, MI

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

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Average visibility
Winona, MI

Average visibility - Winona, MI

The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).

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Winona, Michigan, USA

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