December in San Diego, CA: peak season for golf — great conditions and a wide playing window. Best tee times: late morning to early afternoon after dew burns off.
| Average December Weather | |
|---|---|
| Avg daily high | 64°F |
| Avg daily low | 48°F |
| Rainy days | 7 / mo |
| Avg peak wind | 9.9 mph |
Based on 10 years of climate data (2015–2024), December in San Diego, CA averages 64°F highs and 48°F lows. Expect about 7 days with measurable precipitation and peak winds averaging 9.9 mph. Our playability scoring treats wind under 8 mph as ideal, temperatures of 60–80°F as optimal, and rain probability below 20% as a green light — use these averages to gauge how often December hits those thresholds.
For San Diego in December, plan to late morning to early afternoon after dew burns off. Wind typically rises through the afternoon as thermal mixing builds, so earlier rounds tend to score higher on our playability scale.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for San Diego, CA for the current playability rating, hourly wind, temperature, and the recommended tee time window.
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