October weather forecast
Harlan, KY

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Weather in October

October, like September, in Harlan, Kentucky, is another refreshing autumn month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 65.8°F (18.8°C).

Temperature

The commencement of October involves a temperature shift, with the average high-temperature dropping from a warm 77.9°F (25.5°C) in September to an enjoyable 65.8°F (18.8°C). The nighttime temperature dips to a frosty 46°F (7.8°C) on average during October.

Humidity

The average relative humidity in October is 78%.

Rainfall

In Harlan, during October, the rain falls for 13.6 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Harlan, Kentucky, during the entire year, the rain falls for 190.4 days and collects up to 40.28" (1023mm) of precipitation.

Snowfall

Months with snowfall in Harlan are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 34 snowfall days, and 15.71" (399mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 14min.
On the first day of the month, sunrise is at 7:29 am and sunset at 7:16 pm. On the last day of October, in Harlan, sunrise is at 7:56 am and sunset at 6:36 pm EDT.

Sunshine

The average sunshine in October is 6.6h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the average October temperature in Harlan?

The high-temperature, in October, in Harlan, records 65.8°F (18.8°C), while the low-temperature is 46°F (7.8°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 estimated at 91.4°F (33°C).

What is the average humidity in October in Harlan?

In Harlan, Kentucky, the average relative humidity in October is 78%.

How much does it rain in Harlan in October?

In Harlan, in October, during 13.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When does it start snowing in Harlan?

October is the first month it typically snows in Harlan, Kentucky. Throughout October, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow.

How many hours of daylight does Harlan have in October?

In Harlan, Kentucky, the average day length in October is 11h and 14min.

When are sunrise and sunset in October in Harlan?

In October, on the first day of the month, sunrise is at 7:29 am and sunset at 7:16 pm. On the last day of the month, in Harlan, sunrise is at 7:56 am and sunset at 6:36 pm EDT.

How long on average sun shines in October in Harlan?

The average sunshine duration in October in Harlan, Kentucky, is 6.6h.

What is the UV index intensity in October in Harlan?

In October, the average daily maximum UV index in Harlan, Kentucky, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Harlan, KY

Average temperature in October - Harlan, KY
  • Average high temperature in October: 65.8°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in October: 46°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in October
Harlan, KY

Average pressure in October - Harlan, KY
  • 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 (29.98"Hg).

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Average wind speed in October
Harlan, KY

Average wind speed in October - Harlan, KY
  • 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 (3.8mph).

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Average humidity in October
Harlan, KY

Average humidity in October - Harlan, KY
  • Average humidity in October: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, August and November (77%).

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Average rainfall in October
Harlan, KY

Average rainfall in October - Harlan, KY
  • Average rainfall in October: 2.91"

The wettest month (with the highest rainfall) is February (4.57").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in October
Harlan, KY

Average rainfall days in October - Harlan, KY
  • Average rainfall days in October: 13.6 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (11.5 days).

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Average snowfall in October
Harlan, KY

Average snowfall in October - Harlan, KY
  • Average snowfall in October: 0.47"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Harlan, KY

Average snowfall days in October - Harlan, KY
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (10 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
Harlan, KY

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

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 4min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in October
Harlan, KY

Average sunshine days in October - Harlan, KY
  • Average sunshine days in October: 15.8 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is May (9.1 days).

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Average UV index in October
Harlan, KY

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

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

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Average cloud cover in October
Harlan, KY

Average cloud cover in October - Harlan, KY
  • Average cloud cover in October: 38

The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in October
Harlan, KY

Average visibility in October - Harlan, KY
  • Average visibility in October: 5mi

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

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Harlan, Kentucky, USA

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