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Conditions at Conchalio in December
December: A Christmas Present of Offshore Trades
December is the peak of dry-season reliability. Ideal wind sits at 67%, the highest of the entire year, driven by strong NNE flow at 32%, N at 11%, and NNW at 11%. The daily pattern is predictable: glassy offshore mornings, light afternoon breezes, and a virtually rain-free environment with just 0.30mm per day. Swell is slightly smaller but very consistent -- average height 1.0m (3ft) and period 12.2s -- with SSW at 63%, S at 23%, and SW at 6%. Most waves arrive in the 0.5-1m (2-3ft) and 1-1.5m (3-5ft) categories, perfect for performance surfing at Conchalio. Air temperatures settle around 26.1°C and water temperature is 28.4°C. For a surfer looking for clean, manageable and long-period waves, December is hard to beat.
Average Spot conditions at Conchalio in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Conchalio 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 Conchalio for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Conchalio 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 Conchalio.