Climate and monthly weather forecast
Marianna, PA

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Weather in January

January, the same as December, is a wintry winter month in Marianna, Pennsylvania, with an average temperature fluctuating between 34.3°F (1.3°C) and 21.2°F (-6°C). January is the coldest month of the year, registering average temperatures as high as 34.3°F (1.3°C) and as low as 21.2°F (-6°C). Weather in January »

Weather in February

February, the last month of the winter in Marianna, is another cold month, with an average temperature varying between 38.7°F (3.7°C) and 23.9°F (-4.5°C). As February takes hold, the average high-temperature is a still wintry 38.7°F (3.7°C), nearly mirroring that of the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Marianna, Pennsylvania, with an average temperature ranging between min 32°F (0°C) and max 48.2°F (9°C). Marianna's March weather brings a rise in high-temperatures, moving from a cold 38.7°F (3.7°C) in February to a frosty 48.2°F (9°C). Weather in March »

Weather in April

April in Marianna, Pennsylvania, is a comfortable spring month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 61.3°F (16.3°C). The arrival of April brings an increase in high-temperatures, moving from a chilly 48.2°F (9°C) in March to a refreshing 61.3°F (16.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Marianna, Pennsylvania, with an average temperature varying between 72.3°F (22.4°C) and 51.6°F (10.9°C). The commencement of May sees a shift in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in April to an agreeable 72.3°F (22.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Marianna, Pennsylvania, with an average temperature fluctuating between 58.1°F (14.5°C) and 79.3°F (26.3°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from a pleasant 72.3°F (22.4°C) to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Marianna, Pennsylvania, is another warm summer month, with an average temperature varying between 62.2°F (16.8°C) and 83.8°F (28.8°C). The warmest month is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 62.2°F (16.8°C). The heat index for July is appraised at a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Marianna, Pennsylvania, with an average temperature ranging between max 82°F (27.8°C) and min 60.4°F (15.8°C). The advent of August sees the average high-temperature at a still moderately hot 82°F (27.8°C), subtly shifted from July's 83.8°F (28.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Marianna, is also a moderately hot month, with an average temperature ranging between min 55.2°F (12.9°C) and max 76.1°F (24.5°C). The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Marianna, Pennsylvania, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 45.1°F (7.3°C). A shift in the average high-temperature occurs in October, reducing from a warm 76.1°F (24.5°C) in September to an enjoyable 62.6°F (17°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Marianna, Pennsylvania, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 49.8°F (9.9°C). The shift from October to November involves a decrease in the average high-temperature, from a comfortable 62.6°F (17°C) to a chilly 49.8°F (9.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Marianna, Pennsylvania, with an average temperature varying between 28.9°F (-1.7°C) and 40.1°F (4.5°C). In the transition to December, Marianna observes a drop in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in November to a wintry 40.1°F (4.5°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Marianna?

January is the coldest month of the year, registering average temperatures as high as 34.3°F (1.3°C) and as low as 21.2°F (-6°C).

What is the most humid month in Marianna?

January and February, with an average relative humidity of 84%, are most humid months in Marianna, Pennsylvania.

How much does it rain in Marianna?

Throughout the year, in Marianna, there are 170.8 rainfall days, and 25.2" (640mm) of precipitation is accumulated.

When does it snow in Marianna?

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

How many days does it snow in Marianna?

In Marianna, during the entire year, snow falls for 54.5 days and aggregates up to 14.41" (366mm) of snow.

What is the month with the least sunshine in Marianna?

With an average of 3h of sunshine, January has the least sunshine of the year in Marianna, Pennsylvania.

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

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

When does it snow the most in Marianna?

The month with the most snowfall is February, when snow falls for 12.3 days and typically aggregates up to 3.66" (93mm) of snow.

When is Daylight Saving Time (DST) in Marianna?

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 least humid month in Marianna?

April, July and August, with an average relative humidity of 76%, are the least humid months in Marianna.

What is the wettest month in Marianna?

May is the month with the most rainfall in Marianna, Pennsylvania. Rain falls for 19.7 days and accumulates 2.91" (74mm) of precipitation.

When it does not snow in Marianna?

May through September are months without snowfall in Marianna, Pennsylvania.

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

May through July, with an average maximum UV index of 6, are months with the highest UV index in Marianna.

When are the longest days in Marianna?

With an average of 15h and 0min of daylight, June has the longest days of the year in Marianna.

What is the hottest time of year in Marianna?

With average high and low temperatures of 83.8°F (28.8°C) and 62.2°F (16.8°C) respectively, July is Marianna's warmest month.

What month has the most sunshine in Marianna?

The month with the most sunshine in Marianna, Pennsylvania, is August, with an average of 10.2h of sunshine.

What is the driest month in Marianna?

The month with the least rainfall is November, when the rain falls for 11.4 days and typically collects 1.54" (39mm) of precipitation.

What is the month with the shortest days in Marianna?

The month with the shortest days in Marianna, Pennsylvania, is December, with an average of 9h and 24min of daylight.

Average temperature
Marianna, PA

Average temperature - Marianna, PA

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°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 (21.2°F).

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Average pressure
Marianna, PA

Average pressure - Marianna, PA

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Marianna, PA

Average wind speed - Marianna, PA

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity
Marianna, PA

Average humidity - Marianna, PA

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (76%).

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Average rainfall
Marianna, PA

Average rainfall - Marianna, PA

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.54").

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Average rainfall days
Marianna, PA

Average rainfall days - Marianna, PA

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall
Marianna, PA

Average snowfall - Marianna, PA

The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Marianna, PA

Average snowfall days - Marianna, PA

The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Marianna, PA

Average daylight / Average sunshine - Marianna, PA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days
Marianna, PA

Average sunshine days - Marianna, PA

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (8.2 days).

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Average UV index
Marianna, PA

Average UV index - Marianna, PA

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Marianna, PA

Average visibility - Marianna, PA

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

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Marianna, Pennsylvania, USA

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