October weather forecast
Harbor Isles, TN

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Weather in October

October, the same as September, in Harbor Isles, Tennessee, is an agreeable autumn month, with an average temperature fluctuating between 70°F (21.1°C) and 50.7°F (10.4°C).

Temperature

Harbor Isles in October experiences a subtle temperature decline, with average high-temperatures reducing from a moderately hot 81.9°F (27.7°C) in September to an agreeable 70°F (21.1°C). Harbor Isles records a mean low-temperature of 50.7°F (10.4°C) in October.

Humidity

The months with the lowest humidity in Harbor Isles are June, August and October, with an average relative humidity of 73%.

Rainfall

In Harbor Isles, in October, during 9.6 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 150.1 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

In Harbor Isles, snow does not fall in May through October.

Daylight

In Harbor Isles, the average length of the day in October is 11h and 16min.
On the first day of the month, sunrise is at 6:41 am and sunset at 6:29 pm. On the last day of October, sunrise is at 7:08 am and sunset at 5:50 pm CDT.

Sunshine

In October, the average sunshine is 6.9h.

UV index

In October, the average daily maximum UV index in Harbor Isles is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In October, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

During October, Harbor Isles experiences an average high-temperature of 70°F (21.1°C) and a low-temperature of 50.7°F (10.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in September is appraised at 87.8°F (31°C).

What is the least humid month?

The months with the lowest humidity are June, August and October, with an average relative humidity of 73%.

What is the average humidity in October?

In October, the average relative humidity in Harbor Isles is 73%.

How much does it rain in October?

In October, the rain falls for 9.6 days. Throughout October, 1.65" (42mm) of precipitation is accumulated.

When it does not snow?

In Harbor Isles, snow does not fall in May through October.

Does it snow in Harbor Isles in October?

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

How many hours of daylight does Harbor Isles have in October?

The average day length in October is 11h and 16min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:41 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:50 pm CDT.

How many hours of sunshine does Harbor Isles have in October?

The average sunshine duration in October is 6.9h.

What is the UV index intensity in October?

In Harbor Isles, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Harbor Isles, TN

Average temperature in October - Harbor Isles, TN
  • Average high temperature in October: 70°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in October: 50.7°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in October
Harbor Isles, TN

Average pressure in October - Harbor Isles, TN
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in October
Harbor Isles, TN

Average wind speed in October - Harbor Isles, TN
  • Average wind speed in October: 6.2mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in October
Harbor Isles, TN

Average humidity in October - Harbor Isles, TN
  • Average humidity in October: 73%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).

Average rainfall in October
Harbor Isles, TN

Average rainfall in October - Harbor Isles, TN
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in October
Harbor Isles, TN

Average rainfall days in October - Harbor Isles, TN
  • Average rainfall days in October: 9.6 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in October
Harbor Isles, TN

Average snowfall in October - Harbor Isles, TN
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Harbor Isles, TN

Average snowfall days in October - Harbor Isles, TN
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Harbor Isles, TN

Average daylight in October / Average sunshine in October - Harbor Isles, 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 48min).

  • Average sunshine in October: 6h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in October
Harbor Isles, TN

Average sunshine days in October - Harbor Isles, TN
  • Average sunshine days in October: 18.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in October
Harbor Isles, TN

Average UV index in October - Harbor Isles, TN
  • Average UV index in October: 4

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

Average cloud cover in October
Harbor Isles, TN

Average cloud cover in October - Harbor Isles, TN
  • Average cloud cover in October: 36

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in October
Harbor Isles, TN

Average visibility in October - Harbor Isles, TN
  • 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).

Harbor Isles, Tennessee, USA

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