Weather on April 20
San Diego, CA
55 Years of Data
Avg High
70°F
Avg Low
57°F
Warmest
2009
80°F avg
Coldest
2007
55°F avg
About This Date
April 20th in San Diego, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 57°F. Over 55 years of records, the warmest April 20th was in 2009 (80°F average), while the coldest was 2007 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 11% of April 20th dates historically, with the wettest April 20th recording 3.61" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in San Diego, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 54° | 61° | — | — |
| 2024 | 68° | 60° | 64° | — | — |
| 2023 | 74° | 51° | 62° | — | — |
| 2022 | 67° | 56° | 61° | — | — |
| 2021 | 66° | 59° | 63° | — | — |
| 2020 | 70° | 62° | 66° | — | — |
| 2019 | 66° | 60° | 63° | — | — |
| 2018 | 68° | 53° | 61° | — | — |
| 2017 | 71° | 58° | 64° | — | — |
| 2016 | 83° | 60° | 71° | — | — |
| 2015 | 68° | 61° | 64° | — | — |
| 2014 | 69° | 61° | 65° | — | — |
| 2013 | 77° | 55° | 66° | — | — |
| 2012 | 66° | 57° | 62° | — | — |
| 2011 | 67° | 60° | 63° | — | — |
| 2010 | 68° | 57° | 63° | 0.03" | — |
| 2009warmest | 98° | 63° | 80° | — | — |
| 2008 | 62° | 54° | 58° | — | — |
| 2007coldest | 59° | 51° | 55° | 0.97" | — |
| 2006 | 72° | 57° | 64° | — | — |
| 2005 | 67° | 52° | 59° | — | — |
| 2004 | 68° | 59° | 64° | — | — |
| 2003 | 69° | 54° | 61° | — | — |
| 2002 | 64° | 54° | 59° | — | — |
| 2001 | 62° | 54° | 58° | 0.2" | — |
| 2000 | 69° | 55° | 62° | — | — |
| 1999 | 67° | 57° | 62° | — | — |
| 1998 | 71° | 54° | 62° | — | — |
| 1997 | 71° | 61° | 66° | — | — |
| 1996 | 66° | 54° | 60° | — | — |
| 1995 | 62° | 50° | 56° | — | — |
| 1994 | 64° | 57° | 61° | — | — |
| 1993 | 80° | 58° | 69° | — | — |
| 1992 | 80° | 59° | 70° | — | — |
| 1991 | 65° | 57° | 61° | — | — |
| 1990 | 66° | 60° | 63° | — | — |
| 1989 | 71° | 60° | 66° | — | — |
| 1988 | 62° | 53° | 58° | 3.61" | — |
| 1987 | 78° | 53° | 66° | — | — |
| 1986 | 86° | 57° | 72° | — | — |
| 1985 | 64° | 58° | 61° | — | — |
| 1984 | 68° | 61° | 64° | — | — |
| 1983 | 67° | 57° | 62° | 0.99" | — |
| 1982 | 74° | 57° | 65° | — | — |
| 1981 | 68° | 57° | 63° | 0.03" | — |
| 1980 | 70° | 63° | 66° | — | — |
| 1979 | 72° | 56° | 64° | — | — |
| 1978 | 70° | 60° | 65° | — | — |
| 1977 | 71° | 58° | 64° | — | — |
| 1976 | 75° | 57° | 66° | — | — |
| 1975 | 67° | 51° | 59° | — | — |
| 1974 | 66° | 54° | 60° | — | — |
| 1973 | 67° | 54° | 60° | — | — |
| 1972 | 67° | 48° | 57° | — | — |
| 1971 | 62° | 54° | 58° | — | — |
55 years of data from SAN DIEGO INTL AP