Normal weather in San Diego in December
The weather in San Diego in December has an average temperature of around 31°C during the day. On average, December sees 35 mm of rain in San Diego. The wind speed is 3 Beaufort and mainly comes from East.
After November, December in San Diego starts with a temperature of 32°C and ends around January at 30°C.
The hurricane season in San Diego lasts from early June to late November.
December averages for San Diego
![]() | 31°C |
![]() | 32°C |
![]() | 30°C |
![]() | 35 mm |
![]() | 14 days |
Temperature per day in December in San Diego
This graph shows the average daily maximum temperatures in December in San Diego, indicated in degrees Celsius.
Rainfall per day in December in San Diego
This graph shows the average daily rainfall in December in San Diego, indicated in millimeters.
UV index per day in December in San Diego
This graph shows the average daily UV index in December in San Diego.
Yearly temperature in December in San Diego
This graph shows the average yearly temperature in December in San Diego, measured in degrees Celsius, over the past years.
Yearly total rainfall in December in San Diego
This graph shows the average yearly rainfall in millimeters in December in San Diego, over the past years.
Average daily weather in December
Click on a day to get more information about the average weather on that day.
Experiences with the weather in December in San Diego
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Average weather in San Diego per month
Click on a month below to see in detail how the weather typically is in San Diego and what to expect. Based on the historical weather data of San Diego, you can view the average temperature, rainfall, wind, and UV index for each day of the month.