United States: where to swim in November?
United States, in November: the sea is at 18.2 °C on average along the coast, from 11.5 °C to 25.6 °C depending on the spot. Where the water is warmest (25.6 °C), it is warm. Ideal for long swims and for being in the water all day.
Sea temperature, month by month
| Month | Average temperature | Depending on the spot | Where it is warmest |
|---|---|---|---|
| January | 14.4 °C | 7.1 °C – 22.1 °C | pleasant |
| February | 13.8 °C | 5.4 °C – 21.7 °C | pleasant |
| March | 14.5 °C | 5.6 °C – 22.4 °C | pleasant |
| April | 16.1 °C | 7.5 °C – 24.2 °C | warm |
| May | 18.5 °C | 11.0 °C – 26.0 °C | warm |
| June | 21.2 °C | 12.5 °C – 28.8 °C | very warm |
| July | 23.2 °C | 13.8 °C – 29.9 °C | very warm |
| August | 23.8 °C | 14.7 °C – 30.4 °C | very warm |
| September | 23.0 °C | 14.5 °C – 29.4 °C | very warm |
| October | 21.2 °C | 13.5 °C – 28.2 °C | very warm |
| November | 18.2 °C | 11.5 °C – 25.6 °C | warm |
| December | 16.1 °C | 9.2 °C – 23.7 °C | warm |
Compared with October, the water cools down by 3.0 °C in November. The warmest month: August (23.8 °C). The coldest: February (13.8 °C).
Where the water is warmest in November
- Hawaii 26.4 °C · warm
- Florida 24.8 °C · very warm
- Texas 23.3 °C · warm
- Alabama 22.3 °C · warm
- Louisiana 21.9 °C · warm
- South Carolina 21.8 °C · warm
- Georgia 21.0 °C · warm
- North Carolina 20.6 °C · warm
- California 15.3 °C · cool
- Virginia 15.0 °C · cool
- New Jersey 14.3 °C · cool
- New York 14.1 °C · cool
- Maryland 13.6 °C · cool
- Oregon 12.2 °C · cold
- Massachusetts 12.1 °C · cold
- Washington 11.3 °C · cold
- Maine 10.7 °C · cold
- Alaska 4.3 °C · very cold
And right now?
For the temperature measured right now, station by station and to the hour: United States: water temperature
Frequently asked questions
What is the sea temperature in November?
United States, in November: 18.2 °C on average along the coast, from 11.5 °C in the coolest waters to 25.6 °C in the warmest (average of the years 2011 to 2025).
Can you swim in November?
Where the water is warmest (25.6 °C), it is warm. Ideal for long swims and for being in the water all day.
What is the best month for swimming?
The water is warmest in August (23.8 °C on average) and coldest in February (13.8 °C). Where the water is warmest, it goes above 20 °C in these months: January, February, March, April, May, June, July, August, September, October, November, December.
Where is the water warmest in November?
The warmest in November: Hawaii (26.4 °C), Florida (24.8 °C), Texas (23.3 °C). The coolest: Alaska (4.3 °C).
Where do these temperatures come from?
These are averages of the sea surface temperature from 2011 to 2025, computed from NOAA satellite images (OISST, one value about every 50 km), in a 100 km strip along the coasts of the main country: distant territories (overseas, remote islands) are not counted. It is an estimate, not a measurement taken at the beach: lakes and rivers are not included.