December is a popular month to ask about Playa Coronado because conditions can shift week to week along this coast. Expect the water near 25.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Sea of Cortez.
Playa Coronado sea temperature in December — averages 25.0°C
The sea at Playa Coronado in Mexico averages 25.0°C during December, based on long-run climatology for the Sea of Cortez. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · December
25.0°C
hot · Excellent
Live water now
…
Recommended wetsuit
No wetsuit
At 25.0°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Monthly comparison
Yes — ideal swimming weather · Playa Coronado
Can you swim at Playa Coronado in July? — 29.0°C water29.0°CCan you swim at Playa Coronado in August? — 29.0°C water29.0°CCan you swim at Playa Coronado in September? — 29.0°C water29.0°CCan you swim at Playa Coronado in October? — 28.0°C water28.0°CCan you swim at Playa Coronado in November? — 27.0°C water27.0°CCan you swim at Playa Coronado in December? — 25.0°C water25.0°C
Frequently asked questions
What is the average sea temperature at Playa Coronado in December?
Playa Coronado averages 25.0°C in December, based on long-run climatology for the Sea of Cortez.
Is the sea warm enough to swim at Playa Coronado in December?
Yes, most swimmers find 25.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Playa Coronado in December?
No wetsuit needed.