October weather forecast
Duck Key, FL

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Weather in October

October, the same as September, is another warm autumn month in Duck Key, Florida, with an average temperature fluctuating between 79.3°F (26.3°C) and 82.2°F (27.9°C).

Temperature

At the start of October, Duck Key's average high-temperature reaches a still warm 82.2°F (27.9°C), subtly different from the preceding month. The October nights show a slight decrease to a mean low-temperature of 79.3°F (26.3°C).

Heat index

For most parts of October, the heat index is appraised at a hot 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The average relative humidity in October is 75%.

Rainfall

In Duck Key, during October, the rain falls for 18.5 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, there are 186.2 rainfall days, and 24.45" (621mm) of precipitation is accumulated.

Ocean temperature

In October, the average ocean temperature is 82.9°F (28.3°C).
Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.

Daylight

The average length of the day in October is 11h and 34min.
On the first day of the month, sunrise is at 7:15 am and sunset at 7:10 pm. On the last day of October, sunrise is at 7:30 am and sunset at 6:43 pm EDT.

Sunshine

The average sunshine in October is 7.3h.

UV index

The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, a daily maximum UV index of 7 leads to the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. 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. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

Duck Key in October has an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 79.3°F (26.3°C). In October, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 87.8°F (31°C).

What is the average humidity in October?

The average relative humidity in October is 75%.

How many days does it rain in October?

In October, the rain falls for 18.5 days. Throughout October, 3.27" (83mm) of precipitation is accumulated.

What is the ocean temperature in October?

In Duck Key, in October, the average water temperature is 82.9°F (28.3°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in October?

In October, the average day length is 11h and 34min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:15 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 6:43 pm EDT.

How long on average sun shines in October?

In October, the average sunshine duration in Duck Key is 7.3h.

What are the months with the highest UV index?

April through October, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in October?

In Duck Key, the average daily maximum UV index in October is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in October
Duck Key, FL

Average temperature in October - Duck Key, FL
  • Average high temperature in October: 82.2°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).

  • Average low temperature in October: 79.3°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).

Average pressure in October
Duck Key, FL

Average pressure in October - Duck Key, FL
  • Average pressure in October: 29.94"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).

Average wind speed in October
Duck Key, FL

Average wind speed in October - Duck Key, FL
  • Average wind speed in October: 12.8mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).

Average humidity in October
Duck Key, FL

Average humidity in October - Duck Key, FL
  • Average humidity in October: 75%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).

Average rainfall in October
Duck Key, FL

Average rainfall in October - Duck Key, FL
  • Average rainfall in October: 3.27"

The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days in October
Duck Key, FL

Average rainfall days in October - Duck Key, FL
  • Average rainfall days in October: 18.5 days

The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).

Average sea temperature in October
Duck Key, FL

Average sea temperature in October - Duck Key, FL
  • Average sea temperature in October: 82.9°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest months (with the lowest average sea temperature) are January and February (73.9°F).

Average daylight in October /
Average sunshine in October
Duck Key, FL

Average daylight in October / Average sunshine in October - Duck Key, FL
  • Average daylight in October: 11h and 4min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in October: 7h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in October
Duck Key, FL

Average sunshine days in October - Duck Key, FL
  • Average sunshine days in October: 8.9 days

The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).

Average UV index in October
Duck Key, FL

Average UV index in October - Duck Key, FL
  • Average UV index in October: 7

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).

Average cloud cover in October
Duck Key, FL

Average cloud cover in October - Duck Key, FL
  • Average cloud cover in October: 32

The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).

Average visibility in October
Duck Key, FL

Average visibility in October - Duck Key, FL
  • 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).

Duck Key, Florida, USA

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