Key West
Florida, USA
Long-term weather forecast
Long-term weather forecast

October 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
October is prone to thunderstorms and hurricanes that make their way from the Atlantic Ocean. The temperatures drop down to an average of 76°F (24.4°C) to 85°F (29.4°C), but it is rainy with 12 days of rain during the month. The daily sunshine is 8 hours, and it is mostly sunny when the rain is absent.
A traveler with interest in history is bound to find the Harry Truman Little White House to be one of the better places in Key West in October.

What is the temperature in Octubre in Key West?

The average high-temperature, in Octubre, in Key West, Florida, is 84.6°F (29.2°C), while the average low-temperature is 75.9°F (24.4°C). In Octubre, the average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, is evaluated at 93.6°F (34.2°C).

What is the average humidity in Octubre in Key West?

In Key West, the average relative humidity in Octubre is 75.1%.

How much does it rain in Key West in Octubre?

In Key West, Florida, during Octubre, the rain falls for 11.3 days and regularly aggregates up to 4.53" (115mm) of precipitation.

What is the water temperature in Octubre in Key West?

In Key West, in Octubre, 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 Octubre in Key West?

In Key West, Florida, the average length of the day in Octubre is 11.6h.

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

In Octubre, the average sunshine in Key West is 8.2h.

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

In Octubre, the average daily maximum UV index in Key West, Florida, is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV radiation.
Average temperature in October - Key West, FL
  • Average high temperature in October: 84.5°F

The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is January (74.3°F).

  • Average low temperature in October: 76°F

The month with the highest average low temperature is July (79.8°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).

Average humidity in October - Key West, FL
  • Average humidity in October: 75.1%

The month with the highest relative humidity is December (76.2%).
The month with the lowest relative humidity is April (70.1%).

Average rainfall in October - Key West, FL
  • Average rainfall in October: 4.5"

The wettest month (with the highest rainfall) is September (6.5").
The driest month (with the lowest rainfall) is March (1.6").

Average rainfall days in October - Key West, FL
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is September (16.2 days).
The month with the lowest number of rainy days is April (4.5 days).

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

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

Average daylight in October / Average sunshine in October - Key West, FL
  • Average daylight in October: 11.6h

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

  • Average sunshine in October: 8.2h

The month with most sunshine is May (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 7.6h).

Average UV index in October - Key West, FL
  • Average UV index in October: 9

Months with the highest UV index are April, May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 6).