Climate and monthly weather forecast
Marietta, MN

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Weather in January

January, the same as December, in Marietta, Minnesota, is a freezing cold winter month, with temperature in the range of an average low of 6.3°F (-14.3°C) and an average high of 20.3°F (-6.5°C). January is the coldest month, exhibiting average temperatures of 20.3°F (-6.5°C) at the peak and 6.3°F (-14.3°C) at the base. Weather in January »

Weather in February

February, the last month of the winter in Marietta, is also a subzero cold month, with an average temperature varying between 9.5°F (-12.5°C) and 23.5°F (-4.7°C). On the advent of February, Marietta's average high-temperature exhibits a minor adjustment to a still subzero cold 23.5°F (-4.7°C) from January's 20.3°F (-6.5°C). Weather in February »

Weather in March

March, the first month of the spring in Marietta, is a cold month, with an average temperature ranging between max 39.2°F (4°C) and min 24.8°F (-4°C). As Marietta transitions into March, a noticeable rise in the average high-temperature is observed, soaring from a subzero cold 23.5°F (-4.7°C) in February to a cold 39.2°F (4°C). Weather in March »

Weather in April

April is a cool spring month in Marietta, Minnesota, with an average temperature fluctuating between 37.8°F (3.2°C) and 53.6°F (12°C). April's arrival signals a distinct temperature shift, escalating from a wintry 39.2°F (4°C) in March to a fresh 53.6°F (12°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Marietta, Minnesota, with an average temperature varying between 67.1°F (19.5°C) and 49.6°F (9.8°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a fresh 53.6°F (12°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Marietta, Minnesota, with an average temperature ranging between min 58.6°F (14.8°C) and max 76.6°F (24.8°C). An increase in the average high-temperature marks June, moving from May's enjoyable 67.1°F (19.5°C) to a moderately hot 76.6°F (24.8°C). Weather in June »

Weather in July

July, like June, in Marietta, Minnesota, is another warm summer month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.7°F (27.6°C). July stands out as Marietta's warmest month, with temperatures ranging between an average high of 81.7°F (27.6°C) and a low of 62.2°F (16.8°C). The heat index for July is evaluated at a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Marietta, Minnesota, with an average temperature fluctuating between 80.6°F (27°C) and 59.4°F (15.2°C). Marietta's shift into August is marked by a subtle change to a still moderately hot 80.6°F (27°C) from July's 81.7°F (27.6°C) in temperature. Weather in August »

Weather in September

September, the first month of the autumn in Marietta, is still a pleasant month, with an average temperature varying between 73°F (22.8°C) and 52.7°F (11.5°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 80.6°F (27°C) in August to a pleasant 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, in Marietta, Minnesota, is another mild autumn month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 56.5°F (13.6°C). As Marietta transitions into October, a marked decrease in the average high-temperature is observed, dropping from an agreeable 73°F (22.8°C) in September to a refreshing 56.5°F (13.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Marietta, is another cold month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 41.2°F (5.1°C). November is marked by a distinct decrease in the average high-temperature, falling from a mild 56.5°F (13.6°C) in October to a cold 41.2°F (5.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Marietta, Minnesota, with an average temperature fluctuating between 25.2°F (-3.8°C) and 14°F (-10°C). With the onset of December, Marietta's weather experiences a distinct temperature drop, moving from a wintry 41.2°F (5.1°C) in November to a freezing cold 25.2°F (-3.8°C). Weather in December »
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Frequently asked questions

What is the coldest month in Marietta?

January, noted for its average high-temperature of 20.3°F (-6.5°C) and an average low-temperature of 6.3°F (-14.3°C), is considered the coldest month.

What is the most humid month in Marietta?

With an average relative humidity of 89%, January is the most humid month.

What is the driest month in Marietta?

The month with the least rainfall in Marietta is January, when the rain falls for 2.2 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in Marietta?

Throughout the year, in Marietta, there are 99.9 rainfall days, and 19.65" (499mm) of precipitation is accumulated.

When does it snow in Marietta?

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

How much does it snow in Marietta?

Throughout the year, in Marietta, there are 47 snowfall days, and 20.35" (517mm) of snow is accumulated.

What is the month with the least sunshine in Marietta?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

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

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

What is the snowiest month in Marietta?

The month with the most snowfall is February, when snow falls for 10.3 days and typically aggregates up to 4.53" (115mm) of snow.

When is Daylight Saving Time (DST) in Marietta?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Marietta, 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 Marietta?

June through September are months without snowfall.

When are the longest days in Marietta?

With an average of 15h and 36min of daylight, June has the longest days of the year.

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

June and July, with an average maximum UV index of 6, are months with the highest UV index in Marietta.

What are the warmest months in Marietta?

July, recognised by an average high temperature of 81.7°F (27.6°C) and a low of 62.2°F (16.8°C), is Marietta's warmest month.

What is the rainiest month in Marietta?

July is the month with the most rainfall. Rain falls for 12.8 days and accumulates 3.35" (85mm) of precipitation.

What month has the most sunshine in Marietta?

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

What is the least humid month in Marietta?

With an average relative humidity of 66%, October is the least humid month in Marietta, Minnesota.

What is the month with the shortest days in Marietta?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Marietta, Minnesota.

Average temperature
Marietta, MN

Average temperature - Marietta, MN

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (20.3°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure
Marietta, MN

Average pressure - Marietta, MN

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed
Marietta, MN

Average wind speed - Marietta, MN

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average rainfall
Marietta, MN

Average rainfall - Marietta, MN

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days
Marietta, MN

Average rainfall days - Marietta, MN

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall
Marietta, MN

Average snowfall - Marietta, MN

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Marietta, MN

Average snowfall days - Marietta, MN

The months with the highest number of snowfall days are January and December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Marietta, MN

Average daylight / Average sunshine - Marietta, MN

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days
Marietta, MN

Average sunshine days - Marietta, MN

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (12.6 days).

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Average visibility
Marietta, MN

Average visibility - Marietta, MN

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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Marietta, Minnesota, USA

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