October weather forecast
McHarg, TN

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Weather in October

October, like September, is an agreeable autumn month in McHarg, Tennessee, with an average temperature varying between 68.5°F (20.3°C) and 48.4°F (9.1°C).

Temperature

With October's arrival, McHarg's weather changes as the average high-temperature falls from a warm 79.3°F (26.3°C) in September to an agreeable 68.5°F (20.3°C). October witnesses an average nighttime temperature of 48.4°F (9.1°C) in McHarg.

Humidity

The months with the lowest humidity are October and November, with an average relative humidity of 76%.

Rainfall

In October, in McHarg, the rain falls for 12.1 days. Throughout October, 3.15" (80mm) of precipitation is accumulated. Throughout the year, in McHarg, there are 190.7 rainfall days, and 47.32" (1202mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in McHarg. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in McHarg, there are 14.7 snowfall days, and 6.38" (162mm) of snow is accumulated.

Daylight

In McHarg, the average length of the day in October is 11h and 17min.
On the first day of the month, sunrise is at 7:32 am and sunset at 7:21 pm. On the last day of October, in McHarg, sunrise is at 7:58 am and sunset at 6:44 pm EDT.

Sunshine

The average sunshine in October is 7h.

UV index

In McHarg, Tennessee, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In October, a regular UV index of 4 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What are the temperatures in McHarg in October?

An average high-temperature, in October, in McHarg, is 68.5°F (20.3°C) and the average low-temperature is 48.4°F (9.1°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 95°F (35°C).

What is the least humid month in McHarg?

October and November, with an average relative humidity of 76%, are the least humid months in McHarg, Tennessee.

What is the average humidity in October in McHarg?

In October, the average relative humidity in McHarg, Tennessee, is 76%.

How many days does it rain in October in McHarg?

In McHarg, in October, it is raining for 12.1 days, with typically 3.15" (80mm) of accumulated precipitation.

When does it start snowing in McHarg?

October is the first month it typically snows in McHarg. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in October in McHarg?

The average day length in October is 11h and 17min.

When are sunrise and sunset in October in McHarg?

On the first day of October in McHarg, sunrise is at 7:32 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 6:44 pm EDT.

How long on average sun shines in October in McHarg?

In October, the average sunshine duration in McHarg, Tennessee, is 7h.

What is the UV index intensity in October in McHarg?

In October, the average daily maximum UV index in McHarg is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
McHarg, TN

Average temperature in October - McHarg, TN
  • Average high temperature in October: 68.5°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in October: 48.4°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in October
McHarg, TN

Average pressure in October - McHarg, TN
  • Average pressure in October: 30.06"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in October
McHarg, TN

Average wind speed in October - McHarg, TN
  • Average wind speed in October: 5mph

The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in October
McHarg, TN

Average humidity in October - McHarg, TN
  • Average humidity in October: 76%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (76%).

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Average rainfall in October
McHarg, TN

Average rainfall in October - McHarg, TN
  • Average rainfall in October: 3.15"

The wettest month (with the highest rainfall) is December (4.8").
The driest month (with the least rainfall) is September (2.91").

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Average rainfall days in October
McHarg, TN

Average rainfall days in October - McHarg, TN
  • Average rainfall days in October: 12.1 days

The months with the highest number of rainy days are June and July (19.8 days).
The month with the least rainy days is November (11.3 days).

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Average snowfall in October
McHarg, TN

Average snowfall in October - McHarg, TN
  • Average snowfall in October: 0.2"

The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
McHarg, TN

Average snowfall days in October - McHarg, TN
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (4.5 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
McHarg, TN

Average daylight in October / Average sunshine in October - McHarg, TN
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in October
McHarg, TN

Average sunshine days in October - McHarg, TN
  • Average sunshine days in October: 17.4 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8 days).

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Average UV index in October
McHarg, TN

Average UV index in October - McHarg, TN
  • Average UV index in October: 4

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

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Average cloud cover in October
McHarg, TN

Average cloud cover in October - McHarg, TN
  • Average cloud cover in October: 35

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

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Average visibility in October
McHarg, TN

Average visibility in October - McHarg, TN
  • Average visibility in October: 5mi

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

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McHarg, Tennessee, USA

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