San Diego
California, USA
December Weather Details
🌡️ Temperature
Mild and cloudy with a feels-like temperature of 16°C (61°F) .
🌧️ Rainfall
December rainfall patterns vary by location. Check local forecasts for specific precipitation amounts.
💧 Humidity
Humidity levels affect how the temperature feels. Higher humidity makes warm temperatures feel hotter.
☀️ Sunshine
December days are shorter in the northern hemisphere. Plan activities accordingly.
🌊 Ocean & Beaches
Pacific Ocean beaches are cool but perfect for surfing and coastal walks
Temperature, humidity and rainfall are December averages for 2015–2024 (water temperature: Decembers 2022–2024) from Open-Meteo (ERA5 reanalysis), licensed CC BY 4.0.
🎯 Popular Activities
Activities
- Beach activities
- Food tours
- Cultural experiences
- Shopping
- Historic tours
Attractions
- Balboa Park
- San Diego Zoo
- Gaslamp Quarter
- La Jolla Cove
- USS Midway Museum
💰 Cost of Living
📶 Internet Speed
📊 Quick Facts
✅ December Summary
December in San Diego offers mild and cloudy weather with temperatures ranging from 9°C (48°F) to 18°C (64°F). The humidity is around 70% and you can expect 7-8 hours daily. Popular activities include Beach activities, Food tours, Cultural experiences and more. For digital nomads, the cost of living is approximately $3,500 per month and internet speeds average 65 Mbps.