Weather on May 18
Carlsbad, CA
55 Years of Data
Avg High
67°F
Avg Low
57°F
Warmest
2008
74°F avg
Coldest
1974
53°F avg
About This Date
May 18th in Carlsbad, CA typically brings mild spring weather, with average highs around 67°F and lows near 57°F. Over 55 years of records, the warmest May 18th was in 2008 (74°F average), while the coldest was 1974 (53°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 18th dates historically, with the wettest May 18th recording 1.14" 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 May 18th in Carlsbad, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 57° | 61° | — | — |
| 2024 | 66° | 58° | 62° | — | — |
| 2023 | 66° | 58° | 62° | — | — |
| 2022 | 65° | 58° | 61° | — | — |
| 2021 | 66° | 59° | 63° | — | — |
| 2020 | 71° | 62° | 67° | 0.03" | — |
| 2019 | 68° | 54° | 61° | — | — |
| 2018 | 64° | 58° | 61° | — | — |
| 2017 | 67° | 55° | 61° | — | — |
| 2016 | 68° | 61° | 64° | — | — |
| 2015 | 66° | 59° | 63° | — | — |
| 2014 | 69° | 62° | 66° | — | — |
| 2013 | 69° | 62° | 66° | — | — |
| 2012 | 68° | 59° | 64° | — | — |
| 2011 | 66° | 57° | 62° | 1.14" | — |
| 2010 | 65° | 55° | 60° | — | — |
| 2009 | 69° | 60° | 65° | — | — |
| 2008warmest | 84° | 65° | 74° | — | — |
| 2007 | 64° | 58° | 61° | — | — |
| 2006 | 66° | 61° | 63° | — | — |
| 2005 | 69° | 57° | 63° | — | — |
| 2004 | 69° | 60° | 65° | — | — |
| 2003 | 65° | 56° | 60° | — | — |
| 2002 | 60° | 57° | 59° | — | — |
| 2001 | 68° | 59° | 64° | — | — |
| 2000 | 68° | 54° | 61° | — | — |
| 1999 | 64° | 54° | 59° | — | — |
| 1998 | 69° | 52° | 60° | 0.03" | — |
| 1997 | 66° | 64° | 65° | — | — |
| 1996 | 70° | 58° | 64° | — | — |
| 1995 | 62° | 54° | 58° | — | — |
| 1994 | 51° | 61° | 56° | — | — |
| 1993 | 65° | 60° | 62° | — | — |
| 1992 | 65° | 61° | 63° | — | — |
| 1991 | 64° | 50° | 57° | — | — |
| 1990 | 63° | 59° | 61° | — | — |
| 1989 | 65° | 58° | 61° | — | — |
| 1988 | 64° | 58° | 61° | — | — |
| 1987 | 66° | 61° | 63° | — | — |
| 1986 | 66° | 57° | 62° | — | — |
| 1985 | 62° | 49° | 55° | — | — |
| 1984 | 70° | 51° | 60° | — | — |
| 1983 | 74° | 58° | 66° | — | — |
| 1982 | 68° | 60° | 64° | — | — |
| 1981 | 72° | 54° | 63° | — | — |
| 1980 | 69° | 60° | 65° | — | — |
| 1979 | 65° | 53° | 59° | — | — |
| 1978 | 74° | 52° | 63° | — | — |
| 1977 | 64° | 47° | 55° | — | — |
| 1976 | 70° | 46° | 58° | — | — |
| 1975 | 70° | 56° | 63° | — | — |
| 1974coldest | 69° | 38° | 53° | — | — |
| 1973 | 66° | 56° | 61° | — | — |
| 1972 | 68° | 57° | 63° | — | — |
| 1971 | 78° | 50° | 64° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP