Weather on December 18
Vista, CA
55 Years of Data
Avg High
67°F
Avg Low
46°F
Warmest
1985
68°F avg
Coldest
1984
48°F avg
About This Date
December 18th in Vista, CA typically brings mild winter weather, with average highs around 67°F and lows near 46°F. Over 55 years of records, the warmest December 18th was in 1985 (68°F average), while the coldest was 1984 (48°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 18th dates historically, with the wettest December 18th recording 1.24" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 18th in Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 51° | 62° | — | — |
| 2024 | 75° | 48° | 62° | — | — |
| 2023 | 75° | 61° | 68° | 0.05" | — |
| 2022 | 62° | 45° | 53° | — | — |
| 2021 | 67° | 42° | 54° | — | — |
| 2020 | 67° | 49° | 58° | — | — |
| 2019 | 62° | 43° | 52° | — | — |
| 2018 | 65° | 52° | 58° | — | — |
| 2017 | 68° | 49° | 58° | — | — |
| 2016 | 61° | 40° | 50° | — | — |
| 2015 | 68° | 44° | 56° | — | — |
| 2014 | 64° | 52° | 58° | — | — |
| 2013 | 68° | 55° | 62° | — | — |
| 2012 | 60° | 48° | 54° | 0.38" | — |
| 2011 | 62° | 49° | 55° | — | — |
| 2010 | 63° | 58° | 60° | 0.25" | — |
| 2009 | 73° | 49° | 61° | — | — |
| 2008 | 56° | 44° | 50° | 0.03" | — |
| 2007 | 61° | 46° | 53° | 0.43" | — |
| 2006 | 59° | 41° | 50° | — | — |
| 2005 | 60° | 49° | 54° | — | — |
| 2004 | 78° | 48° | 63° | — | — |
| 2003 | 73° | 48° | 61° | — | — |
| 2002 | 57° | 45° | 51° | — | — |
| 2001 | 60° | 42° | 51° | — | — |
| 2000 | 80° | 54° | 67° | — | — |
| 1999 | 72° | 49° | 60° | — | — |
| 1998 | 60° | 54° | 57° | — | — |
| 1997 | 66° | 47° | 56° | 0.64" | — |
| 1996 | 71° | 49° | 60° | — | — |
| 1995 | 69° | 39° | 54° | — | — |
| 1994 | 70° | 40° | 55° | — | — |
| 1993 | 65° | 39° | 52° | — | — |
| 1992 | 60° | 46° | 53° | 0.94" | — |
| 1991 | 67° | 53° | 60° | 0.23" | — |
| 1990 | 62° | 39° | 51° | — | — |
| 1989 | 62° | 43° | 52° | — | — |
| 1988 | 57° | 44° | 51° | 1.14" | — |
| 1987 | 63° | 46° | 54° | 0.23" | — |
| 1986 | 70° | 43° | 56° | — | — |
| 1985warmest | 83° | 54° | 68° | — | — |
| 1984coldest | 56° | 41° | 48° | 0.53" | — |
| 1983 | 69° | 43° | 56° | — | — |
| 1982 | 71° | 40° | 55° | — | — |
| 1981 | 75° | 44° | 60° | — | — |
| 1980 | 75° | 43° | 59° | — | — |
| 1979 | 80° | 48° | 64° | — | — |
| 1978 | 59° | 47° | 53° | 1.17" | — |
| 1977 | 65° | 53° | 59° | 1.24" | — |
| 1976 | 69° | 43° | 56° | — | — |
| 1975 | 70° | 37° | 53° | — | — |
| 1974 | 75° | 45° | 60° | — | — |
| 1973 | 70° | 49° | 59° | — | — |
| 1972 | 75° | 45° | 60° | — | — |
| 1971 | 59° | 39° | 49° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP