Weather on December 17
San Diego, CA
55 Years of Data
Avg High
66°F
Avg Low
49°F
Warmest
2004
65°F avg
Coldest
1984
51°F avg
About This Date
December 17th in San Diego, CA typically brings mild winter weather, with average highs around 66°F and lows near 49°F. Over 55 years of records, the warmest December 17th was in 2004 (65°F average), while the coldest was 1984 (51°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 20% of December 17th dates historically, with the wettest December 17th recording 4.06" of rain. The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
Planning for December 17th in San Diego, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 52° | 58° | — | — |
| 2024 | 69° | 45° | 57° | — | — |
| 2023 | 74° | 46° | 60° | — | — |
| 2022 | 65° | 39° | 52° | — | — |
| 2021 | 64° | 48° | 56° | 0.03" | — |
| 2020 | 64° | 45° | 54° | — | — |
| 2019 | 67° | 41° | 54° | — | — |
| 2018 | 69° | 49° | 59° | — | — |
| 2017 | 71° | 50° | 61° | — | — |
| 2016 | 60° | 48° | 54° | — | — |
| 2015 | 65° | 45° | 55° | — | — |
| 2014 | 66° | 55° | 61° | 1.04" | — |
| 2013 | 75° | 56° | 65° | — | — |
| 2012 | 63° | 56° | 59° | 0.08" | — |
| 2011 | 62° | 48° | 55° | — | — |
| 2010 | 63° | 53° | 58° | 0.08" | — |
| 2009 | 70° | 47° | 58° | — | — |
| 2008 | 56° | 50° | 53° | 4.06" | — |
| 2007 | 60° | 46° | 53° | — | — |
| 2006 | 58° | 48° | 53° | 0.58" | — |
| 2005 | 61° | 52° | 56° | — | — |
| 2004warmest | 77° | 54° | 65° | — | — |
| 2003 | 73° | 43° | 58° | — | — |
| 2002 | 61° | 56° | 58° | 0.13" | — |
| 2001 | 62° | 42° | 52° | — | — |
| 2000 | 75° | 49° | 62° | — | — |
| 1999 | 73° | 48° | 61° | — | — |
| 1998 | 69° | 50° | 60° | — | — |
| 1997 | 68° | 47° | 57° | — | — |
| 1996 | 78° | 47° | 62° | — | — |
| 1995 | 64° | 45° | 54° | — | — |
| 1994 | 68° | 42° | 55° | — | — |
| 1993 | 62° | 44° | 53° | — | — |
| 1992 | 61° | 44° | 52° | — | — |
| 1991 | 62° | 55° | 59° | 0.86" | — |
| 1990 | 63° | 46° | 54° | — | — |
| 1989 | 65° | 44° | 54° | — | — |
| 1988 | 62° | 48° | 55° | — | — |
| 1987 | 61° | 51° | 56° | 0.48" | — |
| 1986 | 68° | 53° | 61° | — | — |
| 1985 | 76° | 45° | 60° | — | — |
| 1984coldest | 59° | 43° | 51° | — | — |
| 1983 | 64° | 56° | 60° | — | — |
| 1982 | 68° | 47° | 57° | — | — |
| 1981 | 67° | 55° | 61° | — | — |
| 1980 | 70° | 56° | 63° | — | — |
| 1979 | 82° | 46° | 64° | — | — |
| 1978 | 62° | 54° | 58° | 3.35" | — |
| 1977 | 67° | 53° | 60° | 0.1" | — |
| 1976 | 69° | 49° | 59° | — | — |
| 1975 | 67° | 44° | 55° | — | — |
| 1974 | 70° | 52° | 61° | — | — |
| 1973 | 65° | 49° | 57° | — | — |
| 1972 | 68° | 53° | 61° | — | — |
| 1971 | 63° | 42° | 52° | — | — |
55 years of data from SAN DIEGO INTL AP