August weather forecast
Marianna, PA

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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).

Temperature

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). In August, the temperature sees a substantial plunge from daytime highs to a low average of 60.4°F (15.8°C).

Heat index

For most parts of August, the heat index is appraised at a tropical 87.8°F (31°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

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

Rainfall

In Marianna, during August, the rain falls for 16.3 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Marianna, during the entire year, the rain falls for 170.8 days and collects up to 25.2" (640mm) of precipitation.

Snowfall

In Marianna, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 42min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year.

UV index

In Marianna, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during August translates into the following guidance:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What are the temperatures in Marianna in August?

The high-temperature, in August, in Marianna, records 82°F (27.8°C), while the low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 87.8°F (31°C).

What is the least humid month?

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

What is the average humidity in August?

In Marianna, the average relative humidity in August is 76%.

How much does it rain in Marianna in August?

In Marianna, during August, the rain falls for 16.3 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 42min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:19 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does Marianna have in August?

The average sunshine duration in August is 10.2h.

What is the UV index intensity in August?

In Marianna, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Marianna, PA

Average temperature in August - Marianna, PA
  • Average high temperature in August: 82°F

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).

  • Average low temperature in August: 60.4°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 in August
Marianna, PA

Average pressure in August - Marianna, PA
  • Average pressure in August: 30"Hg

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 in August
Marianna, PA

Average wind speed in August - Marianna, PA
  • Average wind speed in August: 4.5mph

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 in August
Marianna, PA

Average humidity in August - Marianna, PA
  • Average humidity in August: 76%

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 in August
Marianna, PA

Average rainfall in August - Marianna, PA
  • Average rainfall in August: 1.89"

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 in August
Marianna, PA

Average rainfall days in August - Marianna, PA
  • Average rainfall days in August: 16.3 days

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 in August
Marianna, PA

Average snowfall in August - Marianna, PA
  • Average snowfall in August: 0"

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 in August
Marianna, PA

Average snowfall days in August - Marianna, PA
  • Average snowfall days in August: 0 days

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 in August /
Average sunshine in August
Marianna, PA

Average daylight in August / Average sunshine in August - Marianna, PA
  • Average daylight in August: 13h and 4min

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).

  • Average sunshine in August: 10h and 1min

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 in August
Marianna, PA

Average sunshine days in August - Marianna, PA
  • Average sunshine days in August: 13 days

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 in August
Marianna, PA

Average UV index in August - Marianna, PA
  • Average UV index in August: 5

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 cloud cover in August
Marianna, PA

Average cloud cover in August - Marianna, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Marianna, PA

Average visibility in August - Marianna, PA
  • Average visibility in August: 6mi

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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