Monthly weather forecast and climate
Marietta, NY

January, like December, is a freezing cold winter month in Marietta, New York, with average temperature varying between 27.9°F (-2.3°C) and 16.9°F (-8.4°C). January is the coldest month, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.9°F (-8.4°C). Weather in January »

February, the last month of the winter, in Marietta, is another freezing cold month, with average temperature varying between 18.5°F (-7.5°C) and 30.7°F (-0.7°C). In Marietta, the average high-temperature is relatively the same as in January - a still freezing cold 30.7°F (-0.7°C). Weather in February »

March, the first month of the spring, in Marietta, is a cold month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 39.6°F (4.2°C). In March, the average high-temperature marginally rises, from a subzero cold 30.7°F (-0.7°C) in February, to a cold 39.6°F (4.2°C). Weather in March »

April in Marietta, New York, is a fresh spring month, with average temperature varying between 36°F (2.2°C) and 52.5°F (11.4°C). In April, the average high-temperature increases, from a cold 39.6°F (4.2°C) in March, to a cool 52.5°F (11.4°C). Weather in April »

May, the last month of the spring, in Marietta, is an enjoyable month, with average temperature varying between 66.4°F (19.1°C) and 46.9°F (8.3°C). In May, the average high-temperature increases, from a fresh 52.5°F (11.4°C) in April, to a comfortable 66.4°F (19.1°C). Weather in May »

June, the first month of the summer, in Marietta, is an agreeable month, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 72.3°F (22.4°C). In June, the average high-temperature slightly increases, from an enjoyable 66.4°F (19.1°C) in May, to a pleasant 72.3°F (22.4°C). Weather in June »

July in Marietta, New York, is a moderately hot summer month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 59°F (15°C). July is the warmest month, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 59°F (15°C). Weather in July »

The last month of the summer, August, is another warm month in Marietta, New York, with average temperature ranging between min 57.7°F (14.3°C) and max 76.5°F (24.7°C). In Marietta, the average high-temperature in August is almost the same as in July - a still warm 76.5°F (24.7°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Marietta, New York, with average temperature fluctuating between 70.2°F (21.2°C) and 51.6°F (10.9°C). In Marietta, the average high-temperature marginally drops, from a warm 76.5°F (24.7°C) in August, to a pleasant 70.2°F (21.2°C). Weather in September »

October, like September, is a moderate autumn month in Marietta, New York, with average temperature varying between 43.2°F (6.2°C) and 57.4°F (14.1°C). In October, the average high-temperature decreases, from a pleasant 70.2°F (21.2°C) in September, to a moderate 57.4°F (14.1°C). Weather in October »

The last month of the autumn, November, is another chilly month in Marietta, New York, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 44.6°F (7°C). In Marietta, New York, the average high-temperature in November decreases, from a moderate 57.4°F (14.1°C) in October, to a frosty 44.6°F (7°C). Weather in November »

December, the first month of the winter, in Marietta, is also a wintry month, with average temperature fluctuating between 34.3°F (1.3°C) and 25.3°F (-3.7°C). In December, the average high-temperature decreases, from a chilly 44.6°F (7°C) in November, to a cold 34.3°F (1.3°C). Weather in December »

What is the coldest month in Marietta?

With an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.9°F (-8.4°C), January is the coldest month.

How many days does it rain in Marietta?

In Marietta, New York, during the entire year, the rain falls for 137.8 days and collects up to 13.74" (349mm) of precipitation.

When does it snow in Marietta?

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

How many days does it snow in Marietta?

In Marietta, during the entire year, snow falls for 76.2 days, and aggregates up to 16.93" (430mm) of snow.

What is the most humid month in Marietta?

With an average relative humidity of 88%, February is the most humid month.

When does it snow the most in Marietta?

February is the month with the most snowfall in Marietta, New York. Snow falls for 17.3 days and accumulates 3.74" (95mm) of snow.

What is the month with the least sunshine in Marietta?

February has the least sunshine of the year in Marietta, with an average of 2.5h of sunshine.

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

February and December, with an average maximum UV index of 1, are months with the lowest UV index in Marietta.

What are the least humid months in Marietta?

Months with the lowest humidity in Marietta, New York, are April and May, with an average relative humidity of 79%.

What is the wettest month in Marietta?

May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 1.5" (38mm) of precipitation.

When is the highest UV index in Marietta?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

When it does not snow in Marietta?

In Marietta, New York, snow does not fall in June through September.

When are the longest days in Marietta?

With an average of 15.3h of daylight, June has the longest days of the year in Marietta.

What is the warmest month in Marietta?

With an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 59°F (15°C), July is the warmest month.

What month has the most sunshine in Marietta?

The month with the most sunshine in Marietta, New York, is July, with an average of 10.4h of sunshine.

What is the driest month in Marietta?

The month with the least rainfall in Marietta, New York, is September when the rain falls for 10.5 days and typically collects 0.67" (17mm) of precipitation.

What is the month with the shortest days in Marietta?

The month with the shortest days is December, with an average of 9.1h of daylight.
Average temperature - Marietta, NY
Average pressure - Marietta, NY

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed - Marietta, NY

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity - Marietta, NY
Average rainfall - Marietta, NY
Average rainfall days - Marietta, NY

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (6.7 days).

Average snowfall - Marietta, NY
Average snowfall days - Marietta, NY

The month with the highest number of snowfall days is January (18.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Marietta, NY

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 2.5h).

Average sunshine days - Marietta, NY

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is February (7.9 days).

Average visibility - Marietta, NY

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