This page presents a long range weather forecast for San Diego in December as well as other months. You can quickly get a brief overview of the weather to expect in December on a daily basis.
The San Diego extended forecast data provided is based on the average values of previous years.
Select a month and click on a day for more information:
Sunday
Dec 1
19° / 15°
Monday
Dec 2
20° / 15°
Tuesday
Dec 3
20° / 14°
Wednesday
Dec 4
19° / 15°
Thursday
Dec 5
20° / 14°
Friday
Dec 6
19° / 14°
Saturday
Dec 7
18° / 14°
Sunday
Dec 8
19° / 13°
Monday
Dec 9
18° / 13°
Tuesday
Dec 10
18° / 13°
Wednesday
Dec 11
17° / 13°
Thursday
Dec 12
17° / 13°
Friday
Dec 13
17° / 13°
Saturday
Dec 14
17° / 13°
Sunday
Dec 15
17° / 12°
Monday
Dec 16
18° / 13°
Tuesday
Dec 17
18° / 13°
Wednesday
Dec 18
18° / 13°
Thursday
Dec 19
19° / 14°
Friday
Dec 20
19° / 13°
Saturday
Dec 21
20° / 15°
Sunday
Dec 22
18° / 15°
Monday
Dec 23
18° / 14°
Tuesday
Dec 24
18° / 14°
Wednesday
Dec 25
18° / 14°
Thursday
Dec 26
17° / 13°
Friday
Dec 27
16° / 13°
Saturday
Dec 28
16° / 12°
Sunday
Dec 29
15° / 13°
Monday
Dec 30
16° / 13°
Tuesday
Dec 31
17° / 13°
San Diego 30 days weather forecast
Check out our estimated 30 days weather forecast for San Diego, this data is based on the average weather in San Diego in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for San Diego next to the desired date.