November weather forecast and climate
Key West, FL

A beach pier in Key West, Florida, with palm trees in the background
A beach pier in Key West, Florida, with palm trees in the background

Weather in November

The last month of the autumn, November, is also a moderately hot month in Key West, Florida, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 74.8°F (23.8°C).

Temperature

In Key West, the average high-temperature in November is almost the same as in October - a still warm 77.9°F (25.5°C). In Key West, the average low-temperature is 74.8°F (23.8°C).

Humidity

The average relative humidity is 75%.

Rainfall

In Key West, Florida, during November, the rain falls for 14.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Key West, during the entire year, the rain falls for 199.2 days and collects up to 31.61" (803mm) of precipitation.

Ocean temperature

In Key West, the average seawater temperature in November is 78.4°F (25.8°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

The average length of the day in November is 11h.

Sunshine

In November, the average sunshine is 6.6h.

UV index

In Key West, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in November in Key West?

In November, the average relative humidity is 75%.

How much does it rain in Key West in November?

In Key West, Florida, in November, during 14.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

What is the water temperature in November in Key West?

In Key West, in November, the average water temperature is 78.4°F (25.8°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.

How many hours of daylight does Key West have in November?

In November, the average length of the day in Key West, Florida, is 11h.

How many hours of sunshine does Key West have in November?

In Key West, Florida, the average sunshine in November is 6.6h.

What is the UV index intensity in November in Key West?

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

Average temperature in November
Key West, FL

Average temperature in November - Key West, FL
  • Average high temperature in November: 77.9°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 November: 74.8°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 (68.5°F).

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Average pressure in November
Key West, FL

Average pressure in November - Key West, FL
  • Average pressure in November: 30.01"

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

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Average wind speed in November
Key West, FL

Average wind speed in November - Key West, FL
  • Average wind speed in November: 14.4mph

The windiest months (with the highest average wind speed) are January and November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).

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Average humidity in November
Key West, FL

Average humidity in November - Key West, FL
  • Average humidity in November: 75%

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

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Average rainfall in November
Key West, FL

Average rainfall in November - Key West, FL
  • Average rainfall in November: 1.46"

The wettest month (with the highest rainfall) is September (5.12").
The driest month (with the least rainfall) is March (0.67").

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Average rainfall days in November
Key West, FL

Average rainfall days in November - Key West, FL
  • Average rainfall days in November: 14.4 days

Months with the highest number of rainy days are August and September (23.1 days).
The month with the least rainy days is February (11 days).

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Average sea temperature in November
Key West, FL

Average sea temperature in November - Key West, FL
  • Average sea temperature in November: 78.5°F

The best month for swimming (with the highest average sea temperature) is August (86.9°F).
The coldest months (with the lowest average sea temperature) are January and February (71.2°F).

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Average daylight in November /
Average sunshine in November
Key West, FL

Average daylight in November / Average sunshine in November - Key West, FL
  • Average daylight in November: 11h

The month with the longest days is June (Average daylight: 13.6h).
The month with the shortest days is December (Average daylight: 10.6h).

  • Average sunshine in November: 6.6h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6.3h).

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Average sunshine days in November
Key West, FL

Average sunshine days in November - Key West, FL
  • Average sunshine days in November: 11.8 days

The month with the most sunshine days is March (17 days).
The month with the least sunshine days is September (4.5 days).

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Average UV index in November
Key West, FL

Average UV index in November - Key West, FL
  • Average UV index in November: 6

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 November
Key West, FL

Average cloud cover in November - Key West, FL
  • Average cloud cover in November: 31

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

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Average visibility in November
Key West, FL

Average visibility in November - Key West, FL
  • Average visibility in November: 6mi

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

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