Water temperature in Key West (FL) in November
Is it warm enough to swim in Key West in November? Average water temperature in Key West in November is 79.7°F and therefore suitable for comfortable swimming. The warmest sea in Key West in November is 83.7°F, and the coldest is 75.6°F. Average high air temperature in Key West in November is 80°F, and average low temperature is 72°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Key West
Changes water temperature in Key West in November 2025, 2024
To get an accurate forecast for the water temperature in Key West for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Key West, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of November.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| November 1 | 81.7°F | 78.1°F | 83.7°F | |
| November 2 | 81.1°F | 77.4°F | 83.7°F | |
| November 3 | 81.7°F | 77.7°F | 83.5°F | |
| November 4 | 81.5°F | 78.4°F | 83.5°F | |
| November 5 | 81°F | 78.1°F | 83.7°F | |
| November 6 | 81°F | 77°F | 83.3°F | |
| November 7 | 80.8°F | 77.4°F | 82.8°F | |
| November 8 | 82°F | 77.4°F | 82.6°F | |
| November 9 | 81.9°F | 77.4°F | 82.9°F | |
| November 10 | 81.9°F | 77°F | 82.4°F | |
| November 11 | 81.7°F | 76.8°F | 82.6°F | |
| November 12 | 81.5°F | 77.2°F | 82.4°F | |
| November 13 | 82°F | 76.5°F | 82.2°F | |
| November 14 | 82.8°F | 77.2°F | 82.8°F | |
| November 15 | 82.2°F | 77.4°F | 82.2°F |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| November 16 | 81.5°F | 77.4°F | 81.7°F | |
| November 17 | 81.9°F | 77.2°F | 81.9°F | |
| November 18 | 81°F | 77.2°F | 81.7°F | |
| November 19 | 81.1°F | 77.2°F | 81.5°F | |
| November 20 | 80.8°F | 75.9°F | 81°F | |
| November 21 | 79.5°F | 76.5°F | 80.8°F | |
| November 22 | 80.2°F | 76.5°F | 81°F | |
| November 23 | 79.5°F | 76.5°F | 81.1°F | |
| November 24 | 79.2°F | 76.1°F | 81.3°F | |
| November 25 | 79°F | 76.1°F | 81.1°F | |
| November 26 | 79.2°F | 75.6°F | 81.3°F | |
| November 27 | 78.6°F | 76.1°F | 80.8°F | |
| November 28 | 78.6°F | 76.8°F | 81.1°F | |
| November 29 | 78.6°F | 76.3°F | 80.6°F | |
| November 30 | 78.4°F | 75.9°F | 80.6°F |
Average water temperature in Key West in November over a decade
| 2015 | 2016 | 2017 | 2018 | 2019 |
| 81.1°F | 79.7°F | 79.5°F | 80.8°F | 81.7°F |
| 2020 | 2021 | 2022 | 2023 | 2024 |
| 81°F | 79.7°F | 81.1°F | 81°F | 80.8°F |
Key West sea state in November
Chart comparing the height of waves in Key West in November over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.
Weather and climate in Key West in November
This data display average monthly climate indicators in Key West in November based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
- Average HIGH temperature80°F
- Average LOW temperature72°F
- Average humidity
76 - Average rainfall days7 days
- Average rainfall51mm/2''
- Average daylight11h
- Average sunshine7.7h
- Average UV index7
Key West water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
