Weather at Mexico Beaches in December

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This page pulls together weather information for December at popular resort beaches in Mexico.

You can compare this month's averages for temperature, total rainfall and ocean temperature at vacation spots along the Pacific Ocean and the Caribbean Sea.

The temperatures here are in degrees Fahrenheit and Celsius. Total rainfall is given in days, inches and millimetres.

December serves up excellent beach weather in Mexico, particularly along the Pacific Ocean. Temperatures are warm and the weather's dry all along the Pacific coast.

While slightly wetter conditions prevail on Caribbean beaches, it's usually not enough rain to dampen a vacation.

Temperature

Average December temperatures
High °F Low °F Beach High °C Low °C
Pacific Beaches
81 56 Cabo San Lucas 27 14
77 63 Mazatlán 25 17
80 57 Puerto Vallarta 27 14
86 71 Manzanillo 30 22
90 71 Zihuatanejo 32 22
88 75 Acapulco 31 24
93 66 Huatulco 34 19
Caribbean Beaches
84 69 Cancun 29 21
83 69 Cozumel 29 20
86 65 Tulum 30 18

Rainfall

Total average December precipitation
Days Beach Inches Millimetres
Pacific Beaches
  1 Cabo San Lucas 0.6   15
  2 Mazatlán 0.7   19
  2 Puerto Vallarta 0.8   21
  2 Manzanillo 0.6   16
  1 Zihuatanejo 0.3     7
  1 Acapulco 0.5   12
  0 Huatulco 0.3     7
Caribbean Beaches
10 Cancun 3.5   90
10 Cozumel 4.2 107
  6 Tulum 2.4   61

Ocean Temperature

Average water temperature in December at beaches in Mexico
Beach °F °C
Pacific Beaches
Cabo San Lucas 76 25
Mazatlán 77 25
Puerto Vallarta 80 27
Manzanillo 82 28
Zihuatanejo 83 29
Acapulco 84 29
Huatulco 81 27
Caribbean Beaches
Cancun 80 27
Cozumel 80 27
Tulum 80 27
References

CONAGUA. Comisión Nacional Del Agua. Servicio Meteorológico Nacional, México. Normales Climatológicas por Estación

NOAA. National Oceanographic Data Center. Ocean Climate Laboratory. World Ocean Atlas 2009.

NOAA. National Weather Service. National Hurricane Center.

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Average Weather

Mexico Beaches

WEATHER AVERAGES
Weather Extremes