Climate and monthly weather forecast
Marianna, PA

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Weather in January

January, the same as December, is an icy winter month in Marianna, Pennsylvania, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 34.3°F (1.3°C). Marianna's coldest temperatures are experienced in January, with average high temperatures of 34.3°F (1.3°C) and lows of 21.2°F (-6°C). Weather in January »

Weather in February

February, the last month of the winter in Marianna, is also a wintry month, with an average temperature varying between 38.7°F (3.7°C) and 23.9°F (-4.5°C). Marianna notes an average high-temperature of a still cold 38.7°F (3.7°C) in February, displaying minor variation from January. Weather in February »

Weather in March

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

Weather in April

April is an enjoyable spring month in Marianna, Pennsylvania, with an average temperature fluctuating between 41.4°F (5.2°C) and 61.3°F (16.3°C). The shift into April is marked by a rise in the average high-temperature, moving from March's frosty 48.2°F (9°C) to a refreshing 61.3°F (16.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Marianna, Pennsylvania, with an average temperature ranging between max 72.3°F (22.4°C) and min 51.6°F (10.9°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's comfortable 61.3°F (16.3°C) to an agreeable 72.3°F (22.4°C). Weather in May »

Weather in June

June, the first month of the summer in Marianna, is a warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 58.1°F (14.5°C). June marks a minor ascent in the average high-temperature, adjusting from May's agreeable 72.3°F (22.4°C) to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Marianna, Pennsylvania, with an average temperature ranging between max 83.8°F (28.8°C) and min 62.2°F (16.8°C). In Marianna, July is the month with the highest recorded average temperatures, measuring a high of 83.8°F (28.8°C) and a low of 62.2°F (16.8°C). The heat index in July is appraised at a hot 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 temperature in the range of an average high of 82°F (27.8°C) and an average low of 60.4°F (15.8°C). August brings an average high-temperature of a still moderately hot 82°F (27.8°C), showing a slight difference from July's 83.8°F (28.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Marianna, Pennsylvania, with an average temperature varying between 55.2°F (12.9°C) and 76.1°F (24.5°C). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from 82°F (27.8°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Marianna, Pennsylvania, with an average temperature fluctuating between 62.6°F (17°C) and 45.1°F (7.3°C). As September transitions to October, the average high-temperature falls from a moderately hot 76.1°F (24.5°C) to an enjoyable 62.6°F (17°C). Weather in October »

Weather in November

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

Weather in December

December, the first month of the winter in Marianna, is also a wintry month, with an average temperature ranging between max 40.1°F (4.5°C) and min 28.9°F (-1.7°C). Marianna in December experiences a subtle temperature decline, with average high-temperatures reducing from a frosty 49.8°F (9.9°C) in November to a wintry 40.1°F (4.5°C). Weather in December »

Frequently asked questions

What part of the year is the coldest?

In Marianna, January records the average lowest temperatures, peaking at 34.3°F (1.3°C) and reaching a low of 21.2°F (-6°C).

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 84%.

How many days does it rain?

In Marianna, during the entire year, the rain falls for 170.8 days and collects up to 25.2" (640mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 54.5 snowfall days, and 14.41" (366mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3h of sunshine.

When is the lowest UV index?

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

What is the snowiest month in Marianna?

The month with the most snowfall in Marianna 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)?

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 are the least humid months?

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

What is the rainiest month in Marianna?

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

When it does not snow?

May through September are months without snowfall.

When is the highest UV index?

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

When are the longest days?

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

What part of the year is the hottest?

In Marianna, temperatures reach their average annual highs in July, measuring 83.8°F (28.8°C) and a minimum average of 62.2°F (16.8°C).

What month has the most sunshine?

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

What is the driest month?

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?

The month with the shortest days 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

Marianna, Pennsylvania, USA

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