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

The onset of October comes with a shift in the average high-temperature, falling from a warm 77.5°F (25.3°C) in September to an enjoyable 65.8°F (18.8°C). During October, the nighttime temperature in Johnson City, Tennessee, averages to a frosty 45.3°F (7.4°C).

Humidity

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

Rainfall

In Johnson City, in October, during 12 rainfall days, 2.44" (62mm) 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" (832mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Johnson City. Throughout October, in the average 0.7 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, in Johnson City, there are 32.1 snowfall days, and 13.31" (338mm) 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 7:25 am and sunset at 7:12 pm. On the last day of October, in Johnson City, sunrise is at 7:52 am and sunset at 6:33 pm EDT.

Sunshine

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

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In October, an average UV index of 3 transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the temperature in October in Johnson City?

In October, in Johnson City, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 45.3°F (7.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 89.6°F (32°C).

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, Tennessee, in October, during 12 rainfall days, 2.44" (62mm) 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, Tennessee. Throughout October, in the average 0.7 snowfall days, it receives 0.51" (13mm) of snow.

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

The average day length in October in Johnson City is 11h and 15min.

When are sunrise and sunset in October in Johnson City?

On the first day of October in Johnson City, sunrise is at 7:25 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 6:33 pm EDT.

How many hours of sunshine does Johnson City have in October?

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

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

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
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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