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Conditions at Kleinmond in December
December: Summer Lull and the Doctor's Reign
December is classic summer sing-along: average swell 2.2m (7ft) at 11.1s, but ideal wind at just 14%. The south-easterly trades dominate - ESE (19%), SE (16%) and SSE (12%) - leaving most days choppy and raggedy. Swell direction still favors SW (30%) and SSW (17%), so there's plenty of ocean movement, but the onshore flow is relentless. Occasional early mornings can get glassy under light NNE or NW winds, and those are the magic windows to find a clean 6-8ft wave. Water is at a warm 18.4°C, air temps reach 19°C, and the beaches are full of holidaymakers. For surfers, it's a month of patience and dawn patrols.
Average Spot conditions at Kleinmond in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Kleinmond 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 Kleinmond for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Kleinmond 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 Kleinmond.