October weather forecast and climate
Johnson City, TN

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

October, the same as September, is another comfortable autumn month in Johnson City, Tennessee, with average temperature ranging between max 65.8°F (18.8°C) and min 45.3°F (7.4°C).

Temperature

In Johnson City, the average high-temperature drops, from a warm 77.5°F (25.3°C) in September, to an enjoyable 65.8°F (18.8°C). In October, the average low-temperature is 45.3°F (7.4°C).

Humidity

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

Rainfall

In October, in Johnson City, the rain falls for 12 days. Throughout October, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 187.8 rainfall days, and 32.76" (832mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Johnson City, Tennessee. 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. In Johnson City, during the entire year, snow falls for 32.1 days, and aggregates up to 13.31" (338mm) of snow.

Daylight

The average length of the day in Johnson City is 11.2h.

Sunshine

The average sunshine is 6.8h.

UV index

In October, the average daily maximum UV index in Johnson City is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Johnson City?

The average high-temperature, in October, in Johnson City, is 65.8°F (18.8°C), while the average low-temperature is 45.3°F (7.4°C).

What is the average humidity in October in Johnson City?

The average relative humidity in October is 76%.

How many days does it rain in October in Johnson City?

In Johnson City, Tennessee, during October, the rain falls for 12 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When does it start snowing in Johnson City?

October is the first month it typically snows. 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?

In Johnson City, the average length of the day in October is 11.2h.

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

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

What is the UV index reading in October in Johnson City?

The average daily maximum UV index in October in Johnson City, Tennessee, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in October
Johnson City, TN

Average temperature in October - Johnson City, TN
  • Average high temperature in October: 18.8°C

The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in October: 7.4°C

The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

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Average pressure in October
Johnson City, TN

Average pressure in October - Johnson City, TN
  • Average pressure in October: 1018.1mbar

The month with the highest atmospheric pressure is November (1021.3mbar).
The month with the lowest atmospheric pressure is June (1015.7mbar).

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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: 7.9km/h

The windiest month (with the highest average wind speed) is April (10.6km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

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Average humidity in October
Johnson City, TN

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

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: 62mm

The wettest month (with the highest rainfall) is February (83mm).
The driest month (with the least rainfall) is September (45mm).

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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: 13mm

The month with the highest snowfall is December (95mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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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).
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: 11.2h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in October: 6.8h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 5h).

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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

Months with the highest UV index are June, July and August (UV index 6).
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).
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: 9km

Months with the highest visibility are April, June, July, October and November (9km).
Months with the lowest visibility are January, February, March, May, August, September and December (8km).

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