October weather forecast
Marietta, PA

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Weather in October

October, the same as September, is another enjoyable autumn month in Marietta, Pennsylvania, with an average temperature varying between 63°F (17.2°C) and 47.1°F (8.4°C).

Temperature

Marietta observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 75°F (23.9°C) to an enjoyable 63°F (17.2°C). October is noted for a mean low-temperature of 47.1°F (8.4°C).

Humidity

In October, the average relative humidity is 80%.

Rainfall

In Marietta, in October, during 10.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Marietta, during the entire year, the rain falls for 130.2 days and collects up to 16.22" (412mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In October, the average length of the day is 11h and 8min.
On the first day of October, sunrise is at 7:03 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:04 pm EDT.

Sunshine

In Marietta, the average sunshine in October is 5.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 3 in October suggests the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the usual temperature for Marietta in October?

In Marietta, 63°F (17.2°C) is the average high-temperature and 47.1°F (8.4°C) is the average low-temperature during October. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 86°F (30°C).

What is the average humidity in October?

The average relative humidity in October is 80%.

How much does it rain in October?

In October, the rain falls for 10.4 days. Throughout October, 1.46" (37mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in Marietta in October?

In Marietta, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Marietta have in October?

In Marietta, the average day length in October is 11h and 8min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:04 pm EDT.

How long on average sun shines in October?

The average sunshine duration in October in Marietta, Pennsylvania, is 5.3h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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 October
Marietta, PA

Average temperature in October - Marietta, PA
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in October: 47.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in October
Marietta, PA

Average pressure in October - Marietta, PA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in October
Marietta, PA

Average wind speed in October - Marietta, PA
  • Average wind speed in October: 7.1mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in October
Marietta, PA

Average humidity in October - Marietta, PA
  • Average humidity in October: 80%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in October
Marietta, PA

Average rainfall in October - Marietta, PA
  • Average rainfall in October: 1.46"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in October
Marietta, PA

Average rainfall days in October - Marietta, PA
  • Average rainfall days in October: 10.4 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in October
Marietta, PA

Average snowfall in October - Marietta, PA
  • Average snowfall in October: 0"

The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Marietta, PA

Average snowfall days in October - Marietta, PA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Marietta, PA

Average daylight in October / Average sunshine in October - Marietta, PA
  • Average daylight in October: 11h and 1min

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 October: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in October
Marietta, PA

Average sunshine days in October - Marietta, PA
  • Average sunshine days in October: 18 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.2 days).

Average UV index in October
Marietta, PA

Average UV index in October - Marietta, PA
  • Average UV index in October: 3

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, November and December (UV index 2).

Average cloud cover in October
Marietta, PA

Average cloud cover in October - Marietta, PA
  • Average cloud cover in October: 42

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in October
Marietta, PA

Average visibility in October - Marietta, PA
  • Average visibility in October: 6mi

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

Marietta, Pennsylvania, USA

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