Climate and monthly weather forecast
Winona, MS

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Weather in January

January, like December, in Winona, Mississippi, is a cool winter month, with an average temperature varying between 36°F (2.2°C) and 51.4°F (10.8°C). The month of January sees the lowest average temperatures, reaching 51.4°F (10.8°C) at the peak and 36°F (2.2°C) at the low. Weather in January »

Weather in February

The last month of the winter, February, is a mild month in Winona, Mississippi, with an average temperature varying between 55.9°F (13.3°C) and 40.1°F (4.5°C). February commences with an average high-temperature of a mild 55.9°F (13.3°C), showing little deviation from January's 51.4°F (10.8°C). Weather in February »

Weather in March

March, the first month of the spring in Winona, is a comfortable month, with an average temperature ranging between max 64.4°F (18°C) and min 46.9°F (8.3°C). In Winona, stepping into March brings a gentle temperature nudge, moving slightly up from February's mild 55.9°F (13.3°C) to a still refreshing 64.4°F (18°C). Weather in March »

Weather in April

April in Winona, Mississippi, is a warm spring month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 73.6°F (23.1°C). The start of April brings a shift in the average high-temperature, increasing from March's refreshing 64.4°F (18°C) to a warm 73.6°F (23.1°C). Weather in April »

Weather in May

May, the last month of the spring in Winona, is another warm month, with an average temperature fluctuating between 81.9°F (27.7°C) and 62.1°F (16.7°C). The shift into May is characterized by a subtle rise in the average high-temperature, transitioning from April's moderately hot 73.6°F (23.1°C) to a still warm 81.9°F (27.7°C). Weather in May »

Weather in June

June, the first month of the summer in Winona, is a tropical month, with an average temperature varying between 69.3°F (20.7°C) and 89.2°F (31.8°C). Winona observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's moderately hot 81.9°F (27.7°C) to a hot 89.2°F (31.8°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Winona, Mississippi, with temperature in the range of an average low of 71.6°F (22°C) and an average high of 90.9°F (32.7°C). Winona reaches its highest average temperatures in July, measuring 90.9°F (32.7°C) at the peak and 71.6°F (22°C) at the lowest. In July, the average heat index is computed to be a blazing hot 113°F (45°C). Weather in July »

Weather in August

August, the last month of the summer in Winona, is also a hot month, with an average temperature ranging between min 71.2°F (21.8°C) and max 90.3°F (32.4°C). The unfolding of August shows an average high-temperature of a still hot 90.3°F (32.4°C), indicating a slight variance from July's 90.9°F (32.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Winona, Mississippi, with an average temperature varying between 86°F (30°C) and 66.2°F (19°C). Winona records an average high-temperature of a still tropical 86°F (30°C) in September, maintaining a close correlation with August's 90.3°F (32.4°C). Weather in September »

Weather in October

October, like September, in Winona, Mississippi, is a moderately hot autumn month, with an average temperature ranging between max 74.8°F (23.8°C) and min 54.7°F (12.6°C). In Winona, the average high-temperature in October drops from a tropical 86°F (30°C) in September to a warm 74.8°F (23.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Winona, Mississippi, with an average temperature fluctuating between 45°F (7.2°C) and 62.1°F (16.7°C). The start of November signals a decrease in the average high-temperature, transitioning from a warm 74.8°F (23.8°C) in October to a refreshing 62.1°F (16.7°C). Weather in November »

Weather in December

December, the first month of the winter in Winona, is still a cool month, with an average temperature fluctuating between 40.5°F (4.7°C) and 54.3°F (12.4°C). December's onset introduces a mild reduction in the average high-temperature, from a comfortable 62.1°F (16.7°C) in November to a fresh 54.3°F (12.4°C). Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

The coldest temperatures occur during January, when averages reach a peak of 51.4°F (10.8°C) and a low of 36°F (2.2°C).

How much does it rain in Winona?

Throughout the year, there are 143.7 rainfall days, and 25.67" (652mm) of precipitation is accumulated.

When does it snow in Winona?

January through March, November and December are months with snowfall.

How much does it snow?

In Winona, during the entire year, snow falls for 3.6 days and aggregates up to 0.87" (22mm) of snow.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 1.3 days and typically aggregates up to 0.35" (9mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow?

In Winona, snow does not fall in April through October.

When are the longest days in Winona?

With an average of 14h and 18min of daylight, June has the longest days of the year.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.6h of sunshine.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What are the warmest months?

July, with its average high-temperature of 90.9°F (32.7°C) and an average low-temperature of 71.6°F (22°C), holds the record as the warmest month.

What is the wettest month?

The month with the most rainfall is July, when the rain falls for 17.8 days and typically aggregates up to 2.72" (69mm) of precipitation.

What is the least humid month?

With an average relative humidity of 70%, October is the least humid month.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 7.4 days and typically collects 1.26" (32mm) of precipitation.

What is the most humid month?

The most humid month is December, with an average relative humidity of 81%.

What is the month with the shortest days in Winona?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

Average temperature
Winona, MS

Average temperature - Winona, MS

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.4°F).

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (36°F).

Average pressure
Winona, MS

Average pressure - Winona, MS

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed
Winona, MS

Average wind speed - Winona, MS

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity
Winona, MS

Average humidity - Winona, MS

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall
Winona, MS

Average rainfall - Winona, MS

The wettest month (with the highest rainfall) is July (2.72").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days
Winona, MS

Average rainfall days - Winona, MS

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (7.4 days).

Average snowfall
Winona, MS

Average snowfall - Winona, MS

The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Winona, MS

Average snowfall days - Winona, MS

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Winona, MS

Average daylight / Average sunshine - Winona, MS

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days
Winona, MS

Average sunshine days - Winona, MS

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (10.6 days).

Average UV index
Winona, MS

Average UV index - Winona, MS

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover
Winona, MS

Average cloud cover - Winona, MS

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility
Winona, MS

Average visibility - Winona, MS

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

Winona, Mississippi, USA

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