Weather at Mexico Beaches in December

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