Weather on April 21
Santa Maria, CA
55 Years of Data
Avg High
69°F
Avg Low
44°F
Warmest
2009
72°F avg
Coldest
1971
43°F avg
About This Date
April 21st in Santa Maria, CA typically brings mild spring weather, with average highs around 69°F and lows near 44°F — a 25°F daily swing. Over 55 years of records, the warmest April 21st was in 2009 (72°F average), while the coldest was 1971 (43°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 21st dates historically, with the wettest April 21st recording 0.97" 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 21st in Santa Maria, CA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 48° | 56° | — | — |
| 2024 | 74° | 47° | 60° | — | — |
| 2023 | 85° | 49° | 67° | — | — |
| 2022 | 70° | 47° | 58° | 0.97" | — |
| 2021 | 57° | 49° | 53° | — | — |
| 2020 | 71° | 46° | 59° | — | — |
| 2019 | 65° | 46° | 55° | — | — |
| 2018 | 75° | 47° | 61° | — | — |
| 2017 | 85° | 52° | 68° | — | — |
| 2016 | 75° | 47° | 61° | — | — |
| 2015 | 65° | 53° | 59° | — | — |
| 2014 | 78° | 48° | 63° | — | — |
| 2013 | 81° | 45° | 63° | — | — |
| 2012 | 74° | 50° | 62° | — | — |
| 2011 | 67° | 45° | 56° | 0.13" | — |
| 2010 | 55° | 42° | 49° | 0.53" | — |
| 2009warmest | 95° | 49° | 72° | — | — |
| 2008 | 61° | 35° | 48° | — | — |
| 2007 | 66° | 42° | 54° | — | — |
| 2006 | 66° | 53° | 60° | — | — |
| 2005 | 70° | 38° | 54° | — | — |
| 2004 | 66° | 44° | 55° | — | — |
| 2003 | 62° | 45° | 53° | — | — |
| 2002 | 65° | 44° | 54° | — | — |
| 2001 | 57° | 41° | 49° | 0.13" | — |
| 2000 | 65° | 49° | 57° | — | — |
| 1999 | 60° | 42° | 51° | — | — |
| 1998 | 81° | 51° | 66° | — | — |
| 1997 | 80° | 50° | 65° | — | — |
| 1996 | 68° | 48° | 58° | — | — |
| 1995 | 63° | 34° | 48° | — | — |
| 1994 | 68° | 43° | 55° | — | — |
| 1993 | 72° | 43° | 57° | — | — |
| 1992 | 70° | 48° | 59° | — | — |
| 1991 | 65° | 47° | 56° | 0.1" | — |
| 1990 | 66° | 49° | 57° | — | — |
| 1989 | 69° | 46° | 58° | — | — |
| 1988 | 64° | 45° | 54° | — | — |
| 1987 | 87° | 39° | 63° | — | — |
| 1986 | 83° | 44° | 63° | — | — |
| 1985 | 68° | 39° | 54° | 0.08" | — |
| 1984 | 73° | 39° | 56° | — | — |
| 1983 | 63° | 53° | 58° | 0.13" | — |
| 1982 | 79° | 45° | 62° | — | — |
| 1981 | 74° | 48° | 61° | — | — |
| 1980 | 60° | 40° | 50° | 0.1" | — |
| 1979 | 73° | 38° | 55° | — | — |
| 1978 | 62° | 37° | 50° | — | — |
| 1977 | 66° | 39° | 53° | — | — |
| 1976 | 64° | 42° | 53° | — | — |
| 1975 | 62° | 42° | 52° | — | — |
| 1974 | 69° | 39° | 54° | — | — |
| 1973 | 74° | 35° | 54° | — | — |
| 1972 | 64° | 39° | 52° | — | — |
| 1971coldest | 55° | 31° | 43° | — | — |
55 years of data from SANTA MARIA PUBLIC AP