American Samoa: where to swim in December?
American Samoa, in December: the sea is at 29.0 °C on average along the coast, from 28.9 °C to 29.1 °C depending on the spot. Where the water is warmest (29.1 °C), it is very warm. Almost lukewarm: you can get in without any cold shock.
Sea temperature, month by month
| Month | Average temperature | Depending on the spot | Where it is warmest |
|---|---|---|---|
| January | 29.2 °C | 29.1 °C – 29.3 °C | very warm |
| February | 29.2 °C | 29.2 °C – 29.3 °C | very warm |
| March | 29.6 °C | 29.5 °C – 29.7 °C | very warm |
| April | 29.7 °C | 29.6 °C – 29.8 °C | very warm |
| May | 29.1 °C | 29.0 °C – 29.3 °C | very warm |
| June | 28.7 °C | 28.5 °C – 28.9 °C | very warm |
| July | 28.2 °C | 28.0 °C – 28.4 °C | very warm |
| August | 27.9 °C | 27.7 °C – 28.0 °C | very warm |
| September | 28.0 °C | 27.8 °C – 28.2 °C | very warm |
| October | 28.4 °C | 28.2 °C – 28.5 °C | very warm |
| November | 28.9 °C | 28.8 °C – 29.0 °C | very warm |
| December | 29.0 °C | 28.9 °C – 29.1 °C | very warm |
Compared with November, the water hardly changes in December. The warmest month: April (29.7 °C). The coldest: August (27.9 °C).
Nearby, in December
- Marshall Islands 29.0 °C · very warm
- Federated States of Micronesia 29.2 °C · very warm
- Australia 23.7 °C · very warm
- Palau 29.4 °C · very warm
- South Korea 14.9 °C · cool
- Taiwan 23.9 °C · warm
- Mexico 24.2 °C · very warm
- United States 16.1 °C · warm
- People's Republic of China 15.3 °C · warm
- Canada -0.4 °C · very cold
And right now?
For the temperature measured right now, station by station and to the hour: American Samoa: water temperature
Frequently asked questions
What is the sea temperature in December?
American Samoa, in December: 29.0 °C on average along the coast, from 28.9 °C in the coolest waters to 29.1 °C in the warmest (average of the years 2011 to 2025).
Can you swim in December?
Where the water is warmest (29.1 °C), it is very warm. Almost lukewarm: you can get in without any cold shock.
What is the best month for swimming?
The water is warmest in April (29.7 °C on average) and coldest in August (27.9 °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 December?
The warmest in December: Marshall Islands (29.0 °C), Federated States of Micronesia (29.2 °C), Australia (23.7 °C). The coolest: Canada (-0.4 °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.