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San Diego weather in December 2021
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- 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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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The December weather guide for San Diego, California 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.
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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.
Metric (°C / mm) | Imperial (°F / inches)
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San Diego sunrise & sunset times for December 2021
Browse the sunrise & sunset times for San Diego in December 2021. Select a month to view San Diego sunrise & sunset times for the next twelve months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st December 2021 | 06:33 | 16:42 |
Thursday, 16th December 2021 | 06:44 | 16:45 |
Friday, 31st December 2021 | 06:51 | 16:53 |
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Where is hot in California in December for 2021/2022?
Below are average maximum temperatures at popular destinations in California in December. Select a destination to see more weather parameters.
- Los Angeles
- Beverly Hills
- San Diego
- Santa Monica
- Death Valley
- Santa Barbara
- San Francisco
- Big Sur
- Napa
- Palm Springs
- Lake Tahoe
- Yosemite
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