October weather forecast
Marietta, IN

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Weather in October

October, like September, in Marietta, Indiana, is another enjoyable autumn month, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 47.3°F (8.5°C).

Temperature

A shift in the average high-temperature occurs in October, reducing from a warm 76.5°F (24.7°C) in September to a refreshing 64.4°F (18°C). An average low-temperature of 47.3°F (8.5°C) is noted during the nights in October.

Humidity

With an average relative humidity of 74%, October is the least humid month.

Rainfall

In October, the rain falls for 11.6 days. Throughout October, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 149.3 rainfall days, and 25.83" (656mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Marietta. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Marietta, during the entire year, snow falls for 28.6 days and aggregates up to 8.15" (207mm) of snow.

Daylight

In Marietta, the average length of the day in October is 11h and 9min.
On the first day of the month, sunrise is at 7:40 am and sunset at 7:25 pm. On the last day of October, sunrise is at 8:11 am and sunset at 6:42 pm EDT.

Sunshine

In October, the average sunshine is 6.9h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Marietta. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 2 in October translates into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in October in Marietta?

The high-temperature, in October, in Marietta, records 64.4°F (18°C), while the low-temperature is 47.3°F (8.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the least humid month in Marietta?

October is the least humid month, with an average relative humidity of 74%.

What is the average humidity in October in Marietta?

In Marietta, the average relative humidity in October is 74%.

How much does it rain in Marietta in October?

In October, in Marietta, Indiana, the rain falls for 11.6 days. Throughout October, 1.89" (48mm) of precipitation is accumulated.

When does it start snowing in Marietta?

October is the first month it typically snows in Marietta. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Marietta have in October?

In Marietta, Indiana, the average day length in October is 11h and 9min.

When is the sunrise / sunset in October in Marietta?

On the first day of October, sunrise is at 7:40 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 6:42 pm EDT.

How many hours of sunshine does Marietta have in October?

In October, the average sunshine duration in Marietta, Indiana, is 6.9h.

What is the month with the lowest UV index in Marietta?

The months with the lowest UV index in Marietta, Indiana, are January, February, October through December, with an average maximum UV index of 2.

What is the UV index intensity in October in Marietta?

The average daily maximum UV index in October in Marietta is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Marietta, IN

Average temperature in October - Marietta, IN
  • Average high temperature in October: 64.4°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in October
Marietta, IN

Average pressure in October - Marietta, IN
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Marietta, IN

Average wind speed in October - Marietta, IN
  • Average wind speed in October: 7.6mph

The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in October
Marietta, IN

Average humidity in October - Marietta, IN
  • Average humidity in October: 74%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in October
Marietta, IN

Average rainfall in October - Marietta, IN
  • Average rainfall in October: 1.89"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in October
Marietta, IN

Average rainfall days in October - Marietta, IN
  • Average rainfall days in October: 11.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in October
Marietta, IN

Average snowfall in October - Marietta, IN
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Marietta, IN

Average snowfall days in October - Marietta, IN
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in October
Marietta, IN

Average sunshine days in October - Marietta, IN
  • Average sunshine days in October: 17.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in October
Marietta, IN

Average UV index in October - Marietta, IN
  • Average UV index in October: 2

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

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Average cloud cover in October
Marietta, IN

Average cloud cover in October - Marietta, IN
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in October
Marietta, IN

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

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

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Marietta, Indiana, USA

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