Mexico: where to swim in October?
Mexico, in October: the sea is at 27.8 °C on average along the coast, from 21.6 °C to 30.0 °C depending on the spot. Where the water is warmest (30.0 °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 | 22.6 °C | 17.1 °C – 28.0 °C | very warm |
| February | 22.3 °C | 16.8 °C – 27.7 °C | very warm |
| March | 22.5 °C | 16.8 °C – 27.6 °C | very warm |
| April | 23.1 °C | 16.8 °C – 28.1 °C | very warm |
| May | 24.5 °C | 17.3 °C – 29.3 °C | very warm |
| June | 25.8 °C | 17.9 °C – 29.9 °C | very warm |
| July | 27.4 °C | 19.7 °C – 30.1 °C | very warm |
| August | 28.3 °C | 21.2 °C – 30.5 °C | very warm |
| September | 28.3 °C | 22.1 °C – 30.3 °C | very warm |
| October | 27.8 °C | 21.6 °C – 30.0 °C | very warm |
| November | 26.0 °C | 20.3 °C – 29.3 °C | very warm |
| December | 24.2 °C | 18.7 °C – 28.8 °C | very warm |
Compared with September, the water cools down by 0.5 °C in October. The warmest month: August (28.3 °C). The coldest: February (22.3 °C).
Nearby, in October
- United States 21.2 °C · very warm
- Puerto Rico 29.3 °C · very warm
- United States Virgin Islands 29.2 °C · very warm
- Canada 2.1 °C · very cold
- Brazil 24.8 °C · very warm
- Ireland 13.7 °C · cold
- United Kingdom 12.9 °C · cool
- American Samoa 28.4 °C · very warm
- Portugal 19.6 °C · pleasant
- Sweden 10.5 °C · cold
And right now?
At sea, 30.1 °C on average across 3 stations, from 28.8 °C (BAY OF CAMPECHE - 214 NM NE of Veracruz, MX) to 31.8 °C (Punto de recaudación de data 2 (Mexico)). Mexico: water temperature
Frequently asked questions
What is the sea temperature in October?
Mexico, in October: 27.8 °C on average along the coast, from 21.6 °C in the coolest waters to 30.0 °C in the warmest (average of the years 2011 to 2025).
Can you swim in October?
Where the water is warmest (30.0 °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 August (28.3 °C on average) and coldest in February (22.3 °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 October?
The warmest in October: United States (21.2 °C), Puerto Rico (29.3 °C), United States Virgin Islands (29.2 °C). The coolest: Sweden (10.5 °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.