October weather forecast
Duck Key, FL

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Weather in October

October, like September, in Duck Key, Florida, is a moderately hot autumn month, with an average temperature fluctuating between 82.2°F (27.9°C) and 79.3°F (26.3°C).

Temperature

The arrival of October brings an average high-temperature of a still warm 82.2°F (27.9°C), closely following the temperature pattern of September. In Duck Key, the nightly October temperatures experience a slight descent from daily highs to an average low of 79.3°F (26.3°C).

Heat index

For October, the heat index is estimated at a tropical 87.8°F (31°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in October is 75%.

Rainfall

In Duck Key, in October, during 18.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. In Duck Key, Florida, during the entire year, the rain falls for 186.2 days and collects up to 24.45" (621mm) of precipitation.

Ocean temperature

In October, the average ocean temperature in Duck Key is 82.9°F (28.3°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Duck Key, the average length of the day in October is 11h and 34min.
On the first day of October, 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.

Sunshine

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

UV index

The months with the highest UV index in Duck Key are April through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 7 during October translates into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heads up! UV intensity is amplified by reflections from water and sand.
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Frequently asked questions

What is the usual temperature for Duck Key in October?

The high-temperature in Duck Key, Florida, during October is 82.2°F (27.9°C) and the low-temperature is 79.3°F (26.3°C). In October, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in October in Duck Key?

In Duck Key, the average relative humidity in October is 75%.

How much does it rain in Duck Key in October?

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

How warm is the water in October in Duck Key?

In Duck Key, Florida, the average seawater temperature in October is 82.9°F (28.3°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Duck Key have in October?

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

When is the sunrise / sunset in October in Duck Key?

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 many hours of sunshine does Duck Key have in October?

The average sunshine duration in October is 7.3h.

When is the highest UV index in Duck Key?

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

What is the UV index intensity in October in Duck Key?

In October, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Duck Key, Florida, USA

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