October weather forecast
Cudjoe Key, FL

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Weather in October

October, like September, in Cudjoe Key, Florida, is a moderately hot autumn month, with an average temperature ranging between max 82°F (27.8°C) and min 79.7°F (26.5°C).

Temperature

The transition from September to October sees average high-temperatures adjusting to a still moderately hot 82°F (27.8°C), from a not significantly different 84.4°F (29.1°C). A mean low-temperature of 79.7°F (26.5°C) is anticipated during the month of October, a slight step down from the daytime high.

Heat index

For most parts of October, the heat index is calculated to be a tropical 87.8°F (31°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

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

Rainfall

In Cudjoe Key, in October, it is raining for 18 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 171.1 rainfall days, and 21.54" (547mm) of precipitation is accumulated.

Ocean temperature

In Cudjoe Key, Florida, in October, the average water temperature is 82.8°F (28.2°C).
Note: Surface water temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

In Cudjoe Key, the average length of the day in October is 11h and 34min.
On the first day of October, sunrise is at 7:18 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:46 pm EDT.

Sunshine

In October, the average sunshine is 7.4h.

UV index

April through October, with an average maximum UV index of 7, are months with the highest UV index. 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: The maximum daily UV index, 7 in October, converts into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

An average high-temperature, in October, in Cudjoe Key, is 82°F (27.8°C) and the average low-temperature is 79.7°F (26.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in October is calculated to be 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 days. Throughout October, 2.95" (75mm) of precipitation is accumulated.

How warm is the water in October?

In Cudjoe Key, the average seawater temperature in October is 82.8°F (28.2°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in October?

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

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 7:18 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:46 pm EDT.

How long on average sun shines in October?

The average sunshine duration in October is 7.4h.

What is the month 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 intensity in October?

The average daily maximum UV index in October is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Average temperature in October
Cudjoe Key, FL

Average temperature in October - Cudjoe Key, FL
  • Average high temperature in October: 82°F

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).

  • Average low temperature in October: 79.7°F

The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).

Average pressure in October
Cudjoe Key, FL

Average pressure in October - Cudjoe Key, FL
  • Average pressure in October: 29.93"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).

Average wind speed in October
Cudjoe Key, FL

Average wind speed in October - Cudjoe Key, FL
  • Average wind speed in October: 13.7mph

The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).

Average humidity in October
Cudjoe Key, FL

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

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).

Average rainfall in October
Cudjoe Key, FL

Average rainfall in October - Cudjoe Key, FL
  • Average rainfall in October: 2.95"

The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days in October
Cudjoe Key, FL

Average rainfall days in October - Cudjoe Key, FL
  • Average rainfall days in October: 18 days

The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).

Average sea temperature in October
Cudjoe Key, FL

Average sea temperature in October - Cudjoe Key, FL
  • Average sea temperature in October: 82.8°F

The best month for swimming (with the highest average sea temperature) is August (86.8°F).
The coldest month (with the lowest average sea temperature) is February (72.1°F).

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

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

The month with the longest days is June (Average daylight: 13h and 36min).
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 30min).

Average sunshine days in October
Cudjoe Key, FL

Average sunshine days in October - Cudjoe Key, FL
  • Average sunshine days in October: 10.8 days

The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).

Average UV index in October
Cudjoe Key, FL

Average UV index in October - Cudjoe 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
Cudjoe Key, FL

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

The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).

Average visibility in October
Cudjoe Key, FL

Average visibility in October - Cudjoe 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).

Cudjoe Key, Florida, USA

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