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San Diego weather in December 2023
Expect 19°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Diego in December. Check more long-term weather averages for San Diego in December before you book your next holiday to California in 2023/2024.
- 19°C max day temperature
19
- 8 hours of sunshine per day
- 5 days with some rainfall
5
- 8°C min night temperature
8
- 10 hours of daylight per day
10
- No heat & humidity
0
- 37 mm of monthly rainfall
37
- 3 (Moderate) UV index
3
- 15°C sea temperature
15
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Recommended for San Diego
The December weather guide for California (San Diego) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about California
How hot is it in San Diego in December?
Daytime temperatures usually reach 19°C in San Diego in December, falling to 8°C at night.
How sunny is it in San Diego in December?
There are normally 8 hours of bright sunshine each day in San Diego in December - that's 75% of daylight hours.
How warm is the sea around San Diego in December?
The average sea temperature around San Diego in December is 15°C.
Does it rain in San Diego in December?
There are usually 5 days with some rain in San Diego in December and the average monthly rainfall is 37mm.
San Diego December sunrise & sunset times
Browse the sunrise and sunset times for San Diego in December 2023. Select a month to view San Diego sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st December 2023 | 06:33 | 16:42 |
Saturday, 16th December 2023 | 06:44 | 16:45 |
Sunday, 31st December 2023 | 06:51 | 16:53 |
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