Climate and monthly weather forecast
Marietta, OK

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Weather in January

January, the same as December, is a cool winter month in Marietta, Oklahoma, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 52.2°F (11.2°C). January is the month when Marietta experiences its coldest temperatures, averaging a high of 52.2°F (11.2°C) and a low of 36°F (2.2°C). Weather in January »

Weather in February

The last month of the winter, February, is a moderate month in Marietta, Oklahoma, with temperature in the range of an average high of 55.8°F (13.2°C) and an average low of 38.8°F (3.8°C). Marietta marks the arrival of February with an average high-temperature of a moderate 55.8°F (13.2°C), hardly different from January's 52.2°F (11.2°C). Weather in February »

Weather in March

March, the first month of the spring in Marietta, is an enjoyable month, with an average temperature fluctuating between 47.8°F (8.8°C) and 65.5°F (18.6°C). The shift from February to March brings an increase in the average high-temperature, moving from a refreshing 55.8°F (13.2°C) to an enjoyable 65.5°F (18.6°C). Weather in March »

Weather in April

April is an agreeable spring month in Marietta, Oklahoma, with an average temperature fluctuating between 53.6°F (12°C) and 72.9°F (22.7°C). The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from an enjoyable 65.5°F (18.6°C) in March to a pleasant 72.9°F (22.7°C). Weather in April »

Weather in May

May, the last month of the spring in Marietta, is a warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 61.5°F (16.4°C). The average high-temperature mildly increases in May, edging from an agreeable 72.9°F (22.7°C) in April to a moderately hot 79.3°F (26.3°C). Weather in May »

Weather in June

June, the first month of the summer in Marietta, is a tropical month, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 89.1°F (31.7°C). Marietta's transition into June brings a rise in the average high-temperature, moving from a moderately hot 79.3°F (26.3°C) in May to a tropical 89.1°F (31.7°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Marietta, Oklahoma, with an average temperature fluctuating between 73.9°F (23.3°C) and 93.9°F (34.4°C). June's transformation into July witnesses an average high-temperature of a still hot 93.9°F (34.4°C), noting a minor change from the preceding month. Weather in July »

Weather in August

August, the last month of the summer in Marietta, is another tropical month, with an average temperature fluctuating between 94.8°F (34.9°C) and 73.8°F (23.2°C). In Marietta, Oklahoma, August is the month with the highest recorded average temperatures, measuring a high of 94.8°F (34.9°C) and a low of 73.8°F (23.2°C). For most parts of August, the heat index is evaluated at a blistering 111.2°F (44°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Marietta, Oklahoma, with an average temperature fluctuating between 67.3°F (19.6°C) and 86°F (30°C). September's onset introduces a mild reduction in the average high-temperature, from a hot 94.8°F (34.9°C) in August to a still tropical 86°F (30°C). Weather in September »

Weather in October

October, like September, in Marietta, Oklahoma, is another warm autumn month, with an average temperature fluctuating between 55.8°F (13.2°C) and 73.8°F (23.2°C). The move into October indicates a reduction in the average high-temperature, down from September's tropical 86°F (30°C) to a warm 73.8°F (23.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Marietta, is another refreshing month, with an average temperature fluctuating between 45.5°F (7.5°C) and 62.6°F (17°C). During the transition into November, Marietta observes a decrease in the average high-temperature, falling from a moderately hot 73.8°F (23.2°C) in October to a comfortable 62.6°F (17°C). Weather in November »

Weather in December

December, the first month of the winter in Marietta, is also a fresh month, with an average temperature fluctuating between 37.8°F (3.2°C) and 52.7°F (11.5°C). Onset of December comes with a temperature decline, the average high falling from a refreshing 62.6°F (17°C) in November to a fresh 52.7°F (11.5°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Marietta?

With average high and low temperatures of 52.2°F (11.2°C) and 36°F (2.2°C) respectively, January is Marietta's coldest month.

What is the driest month in Marietta?

The months with the least rainfall are January and December Rain falls for 6.4 days and accumulates 1.42" (36mm) of rain.

How much does it rain in Marietta?

Throughout the year, in Marietta, there are 126.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

When does it snow in Marietta?

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

How many days does it snow in Marietta?

Throughout the year, there are 3.8 snowfall days, and 2.09" (53mm) of snow is accumulated.

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

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

When does it snow the most in Marietta?

February is the month with the most snowfall in Marietta. Snow falls for 1.7 days and accumulates 1.22" (31mm) 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, Oklahoma, 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?

In Marietta, Oklahoma, snow does not fall in April through October.

What is the most humid month in Marietta?

With an average relative humidity of 76%, May is the most humid month.

What is the rainiest month in Marietta?

The month with the most rainfall in Marietta, Oklahoma, is May, when the rain falls for 14.6 days and typically aggregates up to 3.86" (98mm) of precipitation.

When are the longest days in Marietta?

The month with the longest days in Marietta, Oklahoma, is June, with an average of 14h and 24min of daylight.

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

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

What time of the year is the hottest in Marietta?

In Marietta, August is the month with the highest recorded average temperatures, measuring a high of 94.8°F (34.9°C) and a low of 73.8°F (23.2°C).

What is the least humid month in Marietta?

August is the least humid month, with an average relative humidity of 58%.

What month has the most sunshine in Marietta?

The month with the most sunshine is August, with an average of 11.1h of sunshine.

What is the month with the shortest days in Marietta?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Marietta, Oklahoma.

What is the month with the least sunshine in Marietta?

With an average of 5.7h of sunshine, December has the least sunshine of the year in Marietta.

Average temperature
Marietta, OK

Average temperature - Marietta, OK

The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (52.2°F).

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).

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Average pressure
Marietta, OK

Average pressure - Marietta, OK

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed
Marietta, OK

Average wind speed - Marietta, OK

The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).

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Average rainfall
Marietta, OK

Average rainfall - Marietta, OK

The wettest month (with the highest rainfall) is May (3.86").
The driest months (with the least rainfall) are January and December (1.42").

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Average rainfall days
Marietta, OK

Average rainfall days - Marietta, OK

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.4 days).

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Average snowfall
Marietta, OK

Average snowfall - Marietta, OK

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Marietta, OK

Average snowfall days - Marietta, OK

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Marietta, OK

Average daylight / Average sunshine - Marietta, OK

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days
Marietta, OK

Average sunshine days - Marietta, OK

The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is May (15 days).

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Average UV index
Marietta, OK

Average UV index - Marietta, OK

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).

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Average visibility
Marietta, OK

Average visibility - Marietta, OK

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).

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Marietta, Oklahoma, USA

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