Where is the sea coldest in Mexico in December?

Médano Beach in Mexico has the coldest sea in Mexico in December, averaging about 19.0 °C. Chileno Beach (19.0 °C) and Palmilla Beach are the next coolest.

How many beaches in Mexico are warm enough to swim in December?

15 of the top 25 ranked beaches in Mexico average 22 °C or more in December, which most swimmers find comfortable without a wetsuit.

How are these December sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical December rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in Mexico in December

Where the sea is coolest across Mexico during December, ranked by long-term monthly average water temperature. Médano Beach (Baja California, Mexico) is the coolest at around 19°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Médano Beach
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
2
Chileno Beach
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
3
Palmilla Beach
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
4
Los Cerritos
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
5
Balandra Beach
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
6
Playa Las Gaviotas
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
7
Rosarito Beach
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
8
San Felipe Beach
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
9
Bahía Concepción
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
10
Loreto Beach
Baja California · Mexico · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
December average
11
Playa Brujas Mazatlan
Sinaloa · Mexico · Pacific Ocean
Warm — comfortable swimming
25°C
December average
12
Bahia Maguey
Oaxaca · Mexico · Pacific Ocean
Warm — comfortable swimming
25°C
December average
13
Playa Madera
Guerrero · Mexico · Pacific Ocean
Warm — comfortable swimming
25°C
December average
14
Playa Principal Ixtapa
Guerrero · Mexico · Pacific Ocean
Warm — comfortable swimming
25°C
December average
15
Playa Marlin
Cancun · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
16
Playa Centro Isla Mujeres
Cancun · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
17
Playa Palancar
Cozumel · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
18
Playa Fundadores
Riviera Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
19
Playa Yal-Ku
Riviera Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
20
Playa Kantenah
Riviera Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
21
Playa Ruinas
Riviera Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
22
Playa Sian Kaan
Riviera Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
23
Playa Punta Allen
Riviera Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
24
Bacalar Lagoon
Costa Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average
25
Playa Xcalak
Costa Maya · Mexico · Caribbean Sea
Warm — comfortable swimming
25°C
December average

Coldest sea in December elsewhere

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Mexico in December — frequently asked questions

Where is the sea coldest in Mexico in December?: Médano Beach in Mexico has the coldest sea in Mexico in December, averaging about 19.0 °C. Chileno Beach (19.0 °C) and Palmilla Beach are the next coolest.
How many beaches in Mexico are warm enough to swim in December?: 15 of the top 25 ranked beaches in Mexico average 22 °C or more in December, which most swimmers find comfortable without a wetsuit.
How are these December sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical December rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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