November weather forecastKey West, FL

November
Weather in November
November is the precursor to the winter season for Key West, and the temperatures are noticeably cooler. A perceptible change in the weather, November is dominated by pleasantly mild weather with lower levels of rainfall. This month signals an end to hurricane season and marks the onset of "Florida's winter". As well, November brings the shortest daylight hours of 11 hours, signifying the impending arrival of the winter months.Temperature
The arrival of November brings an average high-temperature of a still moderately hot 77.9°F (25.5°C), closely following the temperature pattern of October. An average nighttime temperature of 74.8°F (23.8°C) marks November.Humidity
In Key West, the average relative humidity in November is 75%.Rainfall
In Key West, in November, during 14.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 199.2 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Ocean temperature
In Key West, the average seawater temperature in November is 78.4°F (25.8°C).Note: For water activities like swimming, diving, and more, temperatures ranging between 77°F (25°C) and 84.2°F (29°C) offer superior comfort and enjoyment for lengthy durations.
Daylight
The average length of the day in November is 10h and 58min.On the first day of November, sunrise is at 7:34 am and sunset at 6:46 pm EDT. On the last day of the month, sunrise is at 6:54 am and sunset at 5:38 pm EST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from EDT to EST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from EST to EDT.
Sunshine
In November, the average sunshine in Key West is 6.6h.UV index
In November, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in November translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in November
Key West, FL
- Average pressure in November: 30.01"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 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).
Average humidity in November
Key West, FL
- Average humidity in November: 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 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").
Average rainfall days in November
Key West, FL
- Average rainfall days in November: 14.4 days
The 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).
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).
Average daylight in November /
Average sunshine in November
Key West, FL
- Average daylight in November: 11h and 0min
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 November: 6h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
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).
Average UV index in November
Key West, FL
- Average UV index in November: 6
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 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).
Average visibility in November
Key West, FL
- Average visibility in November: 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).





