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Conditions at Nuevo Vallarta in December
December: High Season Peaks With Offshore Winds
December owns the highest percentage of ideal offshore wind in the calendar at 70 percent, making it the go-to month for clean conditions. The average swell height is 1.0m (3.3ft) and the average period is 13.4s. The swell rose is dominated by WNW at 62.8 percent, with W adding 25.1 percent and NW 6.3 percent. While that means a lot of waves are angled for this west-southwest-oriented stretch of coast, the strong W component and long period ensure plenty of rideable, lined-up surf. Around 42 percent of the readings fall in the 1-1.5m (3-5ft) band, with a scattering of 1.5-2m (5-6.5ft) sets.
The winter 'Norte' pattern brings cooler, drier air, an average temperature of 19.7°C and minimal rainfall of 0.47mm/day. Water temperature sits at 26.3°C. Light E/ENE offshore winds groom the morning surf regularly, and while NW winds can increase later in the day, December consistently delivers the best combination of clean, long-period waves in Nuevo Vallarta.
Average Spot conditions at Nuevo Vallarta in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Nuevo Vallarta during December. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Nuevo Vallarta for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Nuevo Vallarta for December. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Nuevo Vallarta.