Weather on April 18
San Diego, CA
55 Years of Data
Avg High
69°F
Avg Low
57°F
Warmest
2016
75°F avg
Coldest
1995
53°F avg
About This Date
April 18th in San Diego, CA typically brings mild spring weather, with average highs around 69°F and lows near 57°F. Over 55 years of records, the warmest April 18th was in 2016 (75°F average), while the coldest was 1995 (53°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 22% of April 18th dates historically, with the wettest April 18th recording 1.07" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in San Diego, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 59° | 63° | — | — |
| 2024 | 72° | 58° | 65° | — | — |
| 2023 | 65° | 55° | 60° | 0.03" | — |
| 2022 | 69° | 57° | 63° | — | — |
| 2021 | 82° | 59° | 71° | — | — |
| 2020 | 68° | 59° | 64° | 0.08" | — |
| 2019 | 75° | 59° | 67° | — | — |
| 2018 | 65° | 54° | 59° | — | — |
| 2017 | 71° | 62° | 67° | — | — |
| 2016warmest | 87° | 62° | 75° | — | — |
| 2015 | 77° | 58° | 67° | — | — |
| 2014 | 68° | 62° | 65° | — | — |
| 2013 | 79° | 52° | 65° | — | — |
| 2012 | 67° | 54° | 60° | — | — |
| 2011 | 65° | 60° | 62° | — | — |
| 2010 | 69° | 58° | 63° | 0.05" | — |
| 2009 | 75° | 55° | 65° | — | — |
| 2008 | 72° | 56° | 64° | — | — |
| 2007 | 62° | 55° | 59° | — | — |
| 2006 | 69° | 53° | 61° | — | — |
| 2005 | 63° | 56° | 59° | 0.08" | — |
| 2004 | 66° | 56° | 61° | — | — |
| 2003 | 62° | 55° | 59° | — | — |
| 2002 | 64° | 53° | 59° | — | — |
| 2001 | 66° | 57° | 62° | — | — |
| 2000 | 65° | 56° | 60° | 0.2" | — |
| 1999 | 81° | 58° | 69° | — | — |
| 1998 | 74° | 52° | 63° | — | — |
| 1997 | 68° | 59° | 64° | — | — |
| 1996 | 65° | 59° | 62° | 0.79" | — |
| 1995coldest | 58° | 49° | 53° | 0.94" | — |
| 1994 | 71° | 57° | 64° | — | — |
| 1993 | 70° | 59° | 64° | — | — |
| 1992 | 73° | 62° | 68° | — | — |
| 1991 | 64° | 55° | 60° | — | — |
| 1990 | 67° | 59° | 63° | 0.03" | — |
| 1989 | 69° | 61° | 65° | — | — |
| 1988 | 66° | 56° | 61° | 0.18" | — |
| 1987 | 64° | 58° | 61° | — | — |
| 1986 | 72° | 54° | 63° | — | — |
| 1985 | 63° | 58° | 60° | — | — |
| 1984 | 67° | 60° | 63° | — | — |
| 1983 | 69° | 59° | 64° | 1.07" | — |
| 1982 | 70° | 60° | 65° | — | — |
| 1981 | 66° | 58° | 62° | 0.1" | — |
| 1980 | 73° | 58° | 65° | — | — |
| 1979 | 67° | 56° | 61° | — | — |
| 1978 | 74° | 56° | 65° | — | — |
| 1977 | 65° | 58° | 61° | — | — |
| 1976 | 66° | 51° | 59° | — | — |
| 1975 | 64° | 53° | 59° | — | — |
| 1974 | 67° | 56° | 61° | — | — |
| 1973 | 65° | 56° | 60° | 0.05" | — |
| 1972 | 61° | 56° | 58° | — | — |
| 1971 | 62° | 50° | 56° | — | — |
55 years of data from SAN DIEGO INTL AP