Weather on June 21
San Diego, CA
55 Years of Data
About This Date
June 21st in San Diego, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 63°F. Over 55 years of records, the warmest June 21st was in 2008 (80°F average), while the coldest was 1999 (60°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 4% of June 21st dates historically. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in San Diego, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 62° | 65° | — | — |
| 2024 | 73° | 64° | 69° | — | — |
| 2023 | 73° | 60° | 67° | — | — |
| 2022 | 73° | 65° | 69° | — | — |
| 2021 | 75° | 65° | 70° | — | — |
| 2020 | 69° | 65° | 67° | — | — |
| 2019 | 69° | 61° | 65° | 0.03" | — |
| 2018 | 70° | 63° | 66° | — | — |
| 2017 | 74° | 63° | 68° | — | — |
| 2016 | 75° | 66° | 71° | — | — |
| 2015 | 75° | 65° | 70° | — | — |
| 2014 | 73° | 64° | 69° | — | — |
| 2013 | 70° | 64° | 67° | — | — |
| 2012 | 70° | 63° | 66° | — | — |
| 2011 | 73° | 63° | 68° | — | — |
| 2010 | 65° | 58° | 61° | — | — |
| 2009 | 70° | 62° | 66° | — | — |
| 2008warmest | 92° | 68° | 80° | — | — |
| 2007 | 70° | 61° | 65° | — | — |
| 2006 | 74° | 67° | 70° | — | — |
| 2005 | 76° | 64° | 70° | — | — |
| 2004 | 68° | 64° | 66° | — | — |
| 2003 | 64° | 60° | 62° | — | — |
| 2002 | 68° | 61° | 64° | — | — |
| 2001 | 74° | 65° | 69° | — | — |
| 2000 | 71° | 66° | 69° | — | — |
| 1999coldest | 63° | 58° | 60° | — | — |
| 1998 | 72° | 63° | 67° | — | — |
| 1997 | 71° | 63° | 67° | — | — |
| 1996 | 70° | 64° | 67° | — | — |
| 1995 | 69° | 59° | 64° | — | — |
| 1994 | 75° | 63° | 69° | — | — |
| 1993 | 74° | 65° | 69° | — | — |
| 1992 | 73° | 62° | 68° | — | — |
| 1991 | 68° | 59° | 64° | — | — |
| 1990 | 72° | 63° | 67° | — | — |
| 1989 | 72° | 63° | 67° | — | — |
| 1988 | 72° | 58° | 65° | — | — |
| 1987 | 69° | 62° | 66° | — | — |
| 1986 | 71° | 62° | 67° | — | — |
| 1985 | 72° | 66° | 69° | — | — |
| 1984 | 71° | 66° | 69° | — | — |
| 1983 | 72° | 66° | 69° | — | — |
| 1982 | 67° | 63° | 65° | 0.03" | — |
| 1981 | 79° | 69° | 74° | — | — |
| 1980 | 73° | 60° | 67° | — | — |
| 1979 | 72° | 63° | 67° | — | — |
| 1978 | 85° | 67° | 76° | — | — |
| 1977 | 67° | 61° | 64° | — | — |
| 1976 | 74° | 65° | 69° | — | — |
| 1975 | 71° | 59° | 65° | — | — |
| 1974 | 71° | 61° | 66° | — | — |
| 1973 | 88° | 68° | 78° | — | — |
| 1972 | 70° | 64° | 67° | — | — |
| 1971 | 70° | 62° | 66° | — | — |
San Diego, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Diego, CA Monthly Precipitation
Average rainfall per month, in inches.
San Diego, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Diego, CA
Most pleasant months in San Diego, CA: June.