October weather forecast
Johnson City, TN

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The front entrance to the Public Library in Johnson City, Tennessee
The front entrance to the Public Library in Johnson City, Tennessee

Weather in October

Come October, Johnson City embraces the heart of autumn with a downshift in temperature and a burst of colorful foliage. Temperature changes establish the arrival of brisk weather, suggestive of the impending winter season. The wind gathers momentum, whipping up crisp leaves and heralding the change in season. Subtle changes in daylight, coupled with intermittent showers, craft a unique autumn ambiance. The sporadic sunny days are an invitation to witness the surrounding landscapes cloaked in russet hues.

Temperature

A change in temperatures is noted as September gives way to October, with average highs reducing from a warm 77.5°F to a refreshing 65.8°F. Throughout October, the temperature tends to fall to a consistent average low of 45.3°F.

Humidity

The average relative humidity in October in Johnson City is 76%.

Rainfall

In Johnson City, in October, during 12 rainfall days, 2.44" of precipitation is typically accumulated. In Johnson City, during the entire year, the rain falls for 187.8 days and collects up to 32.76" of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.51" of snow. Throughout the year, there are 32.1 snowfall days, and 13.31" of snow is accumulated.

Daylight

In Johnson City, the average length of the day in October is 11h and 15min.
On the first day of the month, sunrise is at 7:24 am and sunset at 7:13 pm. On the last day of October, sunrise is at 7:51 am and sunset at 6:34 pm EDT.

Sunshine

In October, the average sunshine in Johnson City is 6.8h.

UV index

The average daily maximum UV index in October in Johnson City is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the UV index of 3 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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FAQ

What is the temperature in October in Johnson City?

The high-temperature in Johnson City, Tennessee, during October is 65.8°F and the low-temperature is 45.3°F. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 89.6°F.

What is the average humidity in October in Johnson City?

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

How much does it rain in Johnson City in October?

In Johnson City, in October, during 12 rainfall days, 2.44" of precipitation is typically accumulated.

When does it start to snow in Johnson City?

October is the first month it typically snows in Johnson City. Throughout October, in the average 0.7 snowfall days, it receives 0.51" of snow.

What is the average length of the day in October in Johnson City?

In October, the average day length in Johnson City, Tennessee, is 11h and 15min.

When are sunrise and sunset in October in Johnson City?

On the first day of October in Johnson City, Tennessee, sunrise is at 7:24 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:34 pm EDT.

How long on average sun shines in October in Johnson City?

In October, the average sunshine duration in Johnson City, Tennessee, is 6.8h.

How high is the UV index in October in Johnson City?

The average daily maximum UV index in October in Johnson City, Tennessee, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Johnson City, TN

Average temperature in October - Johnson City, TN
  • Average high temperature in October: 65.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in October: 45.3°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in October
Johnson City, TN

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

The month with the highest atmospheric pressure is 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
Johnson City, TN

Average wind speed in October - Johnson City, TN
  • Average wind speed in October: 4.9mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in October
Johnson City, TN

Average humidity in October - Johnson City, TN
  • Average humidity in October: 76%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in October
Johnson City, TN

Average rainfall in October - Johnson City, TN
  • Average rainfall in October: 2.44"

The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in October
Johnson City, TN

Average rainfall days in October - Johnson City, TN
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (11.2 days).

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Average snowfall in October
Johnson City, TN

Average snowfall in October - Johnson City, TN
  • Average snowfall in October: 0.51"

The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Johnson City, TN

Average snowfall days in October - Johnson City, TN
  • Average snowfall days in October: 0.7 days

The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Johnson City, TN

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days in October
Johnson City, TN

Average sunshine days in October - Johnson City, TN
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (8.3 days).

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Average UV index in October
Johnson City, TN

Average UV index in October - Johnson City, TN
  • Average UV index in October: 3

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 and December (UV index 2).

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Average cloud cover in October
Johnson City, TN

Average cloud cover in October - Johnson City, TN
  • Average cloud cover in October: 34

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 31).

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Average visibility in October
Johnson City, TN

Average visibility in October - Johnson City, TN
  • Average visibility in October: 6mi

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

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Johnson City, Tennessee, USA

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