Weather on May 21
Santa Clarita, CA
55 Years of Data
Avg High
79°F
Avg Low
51°F
Warmest
2000
87°F avg
Coldest
2016
47°F avg
About This Date
May 21st in Santa Clarita, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 51°F — a 28°F daily swing. Over 52 years of records, the warmest May 21st was in 2000 (87°F average), while the coldest was 2016 (47°F) — a 40°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Santa Clarita, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 60° | 76° | — | — |
| 2024 | 75° | 51° | 63° | — | — |
| 2023 | 85° | 54° | 69° | — | — |
| 2022 | 71° | 54° | 62° | — | — |
| 2021 | 68° | 50° | 59° | — | — |
| 2020 | 86° | 54° | 70° | — | — |
| 2019 | 66° | 51° | 59° | — | — |
| 2018 | 60° | 55° | 58° | — | — |
| 2017 | 95° | 65° | 80° | — | — |
| 2016coldest | 56° | 39° | 47° | — | — |
| 2015 | 61° | 51° | 56° | — | — |
| 2014 | 72° | 48° | 60° | — | — |
| 2013 | 87° | 60° | 74° | — | — |
| 2012 | 96° | 61° | 78° | — | — |
| 2011 | 81° | 50° | 65° | — | — |
| 2010 | 77° | 53° | 65° | — | — |
| 2009 | 83° | 57° | 70° | — | — |
| 2008 | 74° | 54° | 64° | — | — |
| 2007 | 60° | 53° | 57° | — | — |
| 2006 | 69° | 52° | 60° | — | — |
| 2005 | 96° | 59° | 78° | — | — |
| 2004 | 67° | 50° | 58° | — | — |
| 2003 | 99° | 63° | 81° | — | — |
| 2002 | 70° | 43° | 56° | — | — |
| 2001 | 88° | 57° | 72° | — | — |
| 2000warmest | 106° | 69° | 87° | — | — |
| 1999 | 68° | 49° | 58° | — | — |
| 1998 | 74° | 46° | 60° | — | — |
| 1997 | 86° | 55° | 71° | — | — |
| 1996 | 78° | 52° | 65° | — | — |
| 1995 | 69° | 52° | 60° | — | — |
| 1994 | 84° | 44° | 64° | — | — |
| 1993 | 78° | 54° | 66° | — | — |
| 1992 | 84° | 53° | 69° | — | — |
| 1991 | 70° | 51° | 60° | — | — |
| 1990 | 82° | 48° | 65° | — | — |
| 1989 | 88° | 43° | 65° | — | — |
| 1988 | 98° | 46° | 72° | — | — |
| 1987 | 61° | 47° | 54° | — | — |
| 1986 | 80° | 37° | 59° | — | — |
| 1985 | 82° | 44° | 63° | — | — |
| 1984 | — | 48° | — | — | — |
| 1983 | 92° | 49° | 70° | — | — |
| 1982 | 85° | 49° | 67° | — | — |
| 1981 | 68° | 38° | 53° | — | — |
| 1978 | 85° | 43° | 64° | — | — |
| 1977 | 86° | 46° | 66° | — | — |
| 1976 | 79° | 47° | 63° | — | — |
| 1975 | 64° | 35° | 50° | — | — |
| 1974 | 79° | 40° | 59° | — | — |
| 1973 | 72° | 54° | 63° | — | — |
| 1971 | 79° | 45° | 62° | — | — |
52 years of data from SAUGUS CALIFORNIA