Weather on May 21
Daly City, CA
55 Years of Data
Avg High
61°F
Avg Low
50°F
Warmest
1993
64°F avg
Coldest
2021
50°F avg
About This Date
May 21st in Daly City, CA typically brings mild spring weather, with average highs around 61°F and lows near 50°F. Over 55 years of records, the warmest May 21st was in 1993 (64°F average), while the coldest was 2021 (50°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 21st dates historically, with the wettest May 21st recording 0.51" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Daly City, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 49° | 53° | — | — |
| 2024 | 59° | 51° | 55° | — | — |
| 2023 | 56° | 50° | 53° | — | — |
| 2022 | 68° | 50° | 59° | — | — |
| 2021coldest | 54° | 47° | 50° | — | — |
| 2020 | 61° | 52° | 56° | — | — |
| 2019 | 59° | 52° | 55° | 0.51" | — |
| 2018 | 56° | 49° | 52° | — | — |
| 2017 | 59° | 52° | 55° | — | — |
| 2016 | 58° | 53° | 55° | — | — |
| 2015 | 60° | 53° | 57° | 0.05" | — |
| 2014 | 59° | 52° | 55° | — | — |
| 2013 | 70° | 50° | 60° | 0.03" | — |
| 2012 | 55° | 50° | 53° | — | — |
| 2011 | 56° | 51° | 53° | — | — |
| 2010 | 55° | 49° | 52° | — | — |
| 2009 | 55° | 47° | 51° | — | — |
| 2008 | 56° | 50° | 53° | — | — |
| 2007 | 58° | 47° | 52° | — | — |
| 2006 | 69° | 51° | 60° | — | — |
| 2005 | 64° | 53° | 59° | — | — |
| 2004 | 58° | 54° | 56° | — | — |
| 2003 | 71° | 53° | 62° | — | — |
| 2002 | 58° | 49° | 53° | 0.18" | — |
| 2001 | 57° | 50° | 54° | — | — |
| 2000 | 65° | 53° | 59° | — | — |
| 1999 | 57° | 47° | 52° | — | — |
| 1998 | 57° | 52° | 54° | — | — |
| 1997 | 63° | 55° | 59° | — | — |
| 1996 | 62° | 54° | 58° | 0.13" | — |
| 1995 | 57° | 54° | 55° | — | — |
| 1994 | 58° | 51° | 54° | — | — |
| 1993warmest | 71° | 58° | 64° | — | — |
| 1992 | 66° | 51° | 59° | — | — |
| 1991 | 58° | 50° | 54° | — | — |
| 1990 | 65° | 52° | 58° | — | — |
| 1989 | 66° | 50° | 58° | — | — |
| 1988 | 73° | 52° | 62° | — | — |
| 1987 | 62° | 51° | 57° | — | — |
| 1986 | 59° | 46° | 53° | — | — |
| 1985 | 73° | 51° | 62° | — | — |
| 1984 | 62° | 47° | 54° | — | — |
| 1983 | 59° | 50° | 55° | — | — |
| 1982 | 65° | 49° | 57° | — | — |
| 1981 | 65° | 50° | 57° | — | — |
| 1980 | 59° | 50° | 55° | — | — |
| 1979 | 63° | 50° | 56° | — | — |
| 1978 | 60° | 52° | 56° | — | — |
| 1977 | 59° | 49° | 54° | — | — |
| 1976 | 60° | 50° | 55° | — | — |
| 1975 | 62° | 42° | 52° | — | — |
| 1974 | 62° | 42° | 52° | — | — |
| 1973 | 59° | 50° | 55° | — | — |
| 1972 | 62° | 52° | 57° | — | — |
| 1971 | 57° | 45° | 51° | — | — |
55 years of data from SAN FRANCISCO OCEANSIDE