Weather on April 21
Chula Vista, CA
55 Years of Data
Avg High
69°F
Avg Low
53°F
Warmest
2009
75°F avg
Coldest
2001
51°F avg
About This Date
April 21st in Chula Vista, CA typically brings mild spring weather, with average highs around 69°F and lows near 53°F. Over 55 years of records, the warmest April 21st was in 2009 (75°F average), while the coldest was 2001 (51°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 13% of April 21st dates historically, with the wettest April 21st recording 1.98" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Chula Vista, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 51° | 59° | — | — |
| 2024 | 67° | 59° | 63° | — | — |
| 2023 | 84° | 52° | 68° | — | — |
| 2022 | 68° | 50° | 59° | — | — |
| 2021 | 62° | 56° | 59° | — | — |
| 2020 | 68° | 58° | 63° | — | — |
| 2019 | 63° | 58° | 60° | — | — |
| 2018 | 71° | 51° | 61° | — | — |
| 2017 | 77° | 53° | 65° | — | — |
| 2016 | 74° | 55° | 64° | — | — |
| 2015 | 68° | 60° | 64° | — | — |
| 2014 | 70° | 60° | 65° | — | — |
| 2013 | 66° | 51° | 59° | — | — |
| 2012 | 67° | 57° | 62° | — | — |
| 2011 | 68° | 58° | 63° | — | — |
| 2010 | 65° | 53° | 59° | 0.15" | — |
| 2009warmest | 92° | 58° | 75° | — | — |
| 2008 | 64° | 51° | 58° | — | — |
| 2007 | 63° | 47° | 55° | 0.48" | — |
| 2006 | 68° | 56° | 62° | — | — |
| 2005 | 70° | 50° | 60° | — | — |
| 2004 | 70° | 50° | 60° | — | — |
| 2003 | 65° | 57° | 61° | — | — |
| 2002 | 69° | 43° | 56° | — | — |
| 2001coldest | 58° | 44° | 51° | 1.98" | — |
| 2000 | 66° | 58° | 62° | — | — |
| 1999 | 65° | 58° | 61° | — | — |
| 1998 | 71° | 56° | 63° | — | — |
| 1997 | 81° | 65° | 73° | — | — |
| 1996 | 69° | 54° | 61° | — | — |
| 1995 | 65° | 51° | 58° | — | — |
| 1994 | 66° | 57° | 62° | — | — |
| 1993 | 82° | 55° | 69° | — | — |
| 1992 | 82° | 55° | 69° | — | — |
| 1991 | 66° | 53° | 60° | — | — |
| 1990 | 67° | 60° | 63° | — | — |
| 1989 | 71° | 59° | 65° | — | — |
| 1988 | 67° | 52° | 59° | 1.27" | — |
| 1987 | 90° | 49° | 69° | — | — |
| 1986 | 74° | 54° | 64° | — | — |
| 1985 | 65° | 52° | 58° | 0.18" | — |
| 1984 | 75° | 46° | 61° | — | — |
| 1983 | 66° | 56° | 61° | 0.38" | — |
| 1982 | 80° | 50° | 65° | — | — |
| 1981 | 63° | 51° | 57° | — | — |
| 1980 | 66° | 58° | 62° | 0.08" | — |
| 1979 | 65° | 49° | 57° | — | — |
| 1978 | 66° | 57° | 62° | — | — |
| 1977 | 65° | 46° | 55° | — | — |
| 1976 | 69° | 53° | 61° | — | — |
| 1975 | 62° | 49° | 55° | — | — |
| 1974 | 64° | 48° | 56° | — | — |
| 1973 | 64° | 47° | 55° | — | — |
| 1972 | 63° | 45° | 54° | — | — |
| 1971 | 59° | 51° | 55° | — | — |
55 years of data from CHULA VISTA