Weather on December 18
Carlsbad, CA
55 Years of Data
Avg High
66°F
Avg Low
47°F
Warmest
2023
68°F avg
Coldest
1989
47°F avg
About This Date
December 18th in Carlsbad, CA typically brings mild winter weather, with average highs around 66°F and lows near 47°F. Over 55 years of records, the warmest December 18th was in 2023 (68°F average), while the coldest was 1989 (47°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 18th dates historically, with the wettest December 18th recording 1.17" 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 Carlsbad, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 51° | 62° | — | — |
| 2024 | 75° | 48° | 62° | — | — |
| 2023warmest | 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 | 64° | 46° | 55° | 0.84" | — |
| 1996 | 74° | 40° | 57° | — | — |
| 1995 | 63° | 40° | 51° | — | — |
| 1994 | 60° | 37° | 49° | — | — |
| 1993 | 64° | 38° | 51° | — | — |
| 1992 | 58° | 51° | 54° | 0.28" | — |
| 1991 | 62° | 54° | 58° | 0.13" | — |
| 1990 | 60° | 40° | 50° | — | — |
| 1989coldest | 51° | 42° | 47° | — | — |
| 1988 | 59° | 45° | 52° | 0.41" | — |
| 1987 | 65° | 45° | 55° | — | — |
| 1986 | 70° | 43° | 56° | — | — |
| 1985 | 68° | 48° | 58° | — | — |
| 1984 | 58° | 44° | 51° | 0.38" | — |
| 1983 | 66° | 45° | 55° | — | — |
| 1982 | 63° | 40° | 51° | — | — |
| 1981 | 63° | 44° | 53° | — | — |
| 1980 | 67° | 48° | 57° | — | — |
| 1979 | 68° | 45° | 56° | — | — |
| 1978 | 59° | 47° | 53° | 1.17" | — |
| 1977 | 78° | 56° | 67° | 0.61" | — |
| 1976 | 72° | 44° | 58° | — | — |
| 1975 | 65° | 38° | 51° | — | — |
| 1974 | 73° | 49° | 61° | — | — |
| 1973 | 67° | 46° | 56° | — | — |
| 1972 | 74° | 47° | 60° | — | — |
| 1971 | 63° | 41° | 52° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP