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Conditions at San Pedrito in December
December: Winter's Peak Window
December brings the best statistical combination of swell and wind of the entire year at San Pedrito. The average height is 4-5ft (1.2-1.5m), and the 13.8s period signals serious long-period energy. WNW (43 percent) and W (29 percent) groundswell dominate, while WSW (12 percent) and SW (6 percent) add a smaller but valuable favorable component. The wind is the real highlight: a 70 percent ideal rating backed by NNW (30 percent), NW (15 percent), N (12 percent), NNE (15 percent) and NE (4 percent) gives you clean, groomed faces on a regular basis. Air temperature averages 20.1°C, water temperature is 24.1°C, and rainfall is low. This is the month to plan a trip around if you want winter power without the summer wind drama.
Average Spot conditions at San Pedrito in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at San Pedrito 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 San Pedrito for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at San Pedrito 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 San Pedrito.