October weather forecast
Sullivan, KY

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Weather in October

October, like September, in Sullivan, Kentucky, is another enjoyable autumn month, with an average temperature varying between 50.2°F (10.1°C) and 67.8°F (19.9°C).

Temperature

October comes with a decrease in the average high-temperature, falling from a warm 80.1°F (26.7°C) in September to a comfortable 67.8°F (19.9°C). Throughout the month of October, Sullivan witnesses an average low-temperature of 50.2°F (10.1°C).

Humidity

October is the least humid month, with an average relative humidity of 71%.

Rainfall

In Sullivan, in October, during 9.2 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Sullivan, there are 136.4 rainfall days, and 20" (508mm) of precipitation is accumulated.

Snowfall

In Sullivan, snow does not fall in May through October.

Daylight

The average length of the day in October in Sullivan is 11h and 13min.
On the first day of October, sunrise is at 6:47 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:54 pm CDT.

Sunshine

The average sunshine in October is 6.9h.

UV index

In Sullivan, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during October leads to these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the average October temperature in Sullivan?

The average high-temperature, in October, in Sullivan, is 67.8°F (19.9°C), while the average low-temperature is 50.2°F (10.1°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 95°F (35°C).

What is the least humid month in Sullivan?

With an average relative humidity of 71%, October is the least humid month in Sullivan.

What is the average humidity in October in Sullivan?

In Sullivan, the average relative humidity in October is 71%.

How much does it rain in Sullivan in October?

In Sullivan, Kentucky, in October, it is raining for 9.2 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Sullivan?

May through October are months without snowfall in Sullivan, Kentucky.

Does it snow in Sullivan in October?

In Sullivan, in October, it doesn't snow. In November, it regularly snows.

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

In October, the average day length in Sullivan, Kentucky, is 11h and 13min.

What time are sunrise and sunset in October in Sullivan?

In October, on the first day of the month, sunrise is at 6:47 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:54 pm CDT.

How long on average sun shines in October in Sullivan?

The average sunshine duration in October in Sullivan, Kentucky, is 6.9h.

What is the UV index intensity in October in Sullivan?

The average daily maximum UV index in October in Sullivan is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Sullivan, KY

Average temperature in October - Sullivan, KY
  • Average high temperature in October: 67.8°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in October: 50.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in October
Sullivan, KY

Average pressure in October - Sullivan, KY
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in October
Sullivan, KY

Average wind speed in October - Sullivan, KY
  • Average wind speed in October: 8.3mph

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in October
Sullivan, KY

Average humidity in October - Sullivan, KY
  • Average humidity in October: 71%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Sullivan, KY

Average rainfall in October - Sullivan, KY
  • Average rainfall in October: 1.54"

The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in October
Sullivan, KY

Average rainfall days in October - Sullivan, KY
  • Average rainfall days in October: 9.2 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in October
Sullivan, KY

Average snowfall in October - Sullivan, KY
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Sullivan, KY

Average snowfall days in October - Sullivan, KY
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (4.4 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
Sullivan, KY

Average daylight in October / Average sunshine in October - Sullivan, KY
  • Average daylight in October: 11h and 1min

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

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in October
Sullivan, KY

Average sunshine days in October - Sullivan, KY
  • Average sunshine days in October: 20.7 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).

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Average UV index in October
Sullivan, KY

Average UV index in October - Sullivan, KY
  • Average UV index in October: 3

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
Sullivan, KY

Average cloud cover in October - Sullivan, KY
  • Average cloud cover in October: 32

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in October
Sullivan, KY

Average visibility in October - Sullivan, KY
  • Average visibility in October: 6mi

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

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Sullivan, Kentucky, USA

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