Weather on December 18
Daly City, CA
55 Years of Data
Avg High
58°F
Avg Low
44°F
Warmest
2009
57°F avg
Coldest
1984
44°F avg
About This Date
December 18th in Daly City, CA typically brings cool winter weather, with average highs around 58°F and lows near 44°F. Over 55 years of records, the warmest December 18th was in 2009 (57°F average), while the coldest was 1984 (44°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 18th dates historically, with the wettest December 18th recording 4.06" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Daly City, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 49° | 53° | — | — |
| 2024 | 58° | 47° | 52° | — | — |
| 2023 | 61° | 50° | 55° | 3.2" | — |
| 2022 | 53° | 43° | 48° | — | — |
| 2021 | 52° | 42° | 47° | — | — |
| 2020 | 72° | 32° | 52° | — | — |
| 2019 | 53° | 37° | 45° | 1.98" | — |
| 2018 | 62° | 50° | 56° | — | — |
| 2017 | 68° | 44° | 56° | — | — |
| 2016 | 54° | 36° | 45° | — | — |
| 2015 | 58° | 48° | 53° | 0.81" | — |
| 2014 | 62° | 51° | 57° | 0.08" | — |
| 2013 | 70° | 42° | 56° | — | — |
| 2012 | 53° | 37° | 45° | — | — |
| 2011 | 52° | 46° | 49° | — | — |
| 2010 | 56° | 45° | 50° | 1.22" | — |
| 2009warmest | 64° | 50° | 57° | — | — |
| 2008 | 52° | 43° | 47° | 0.03" | — |
| 2007 | 56° | 49° | 52° | 2.01" | — |
| 2006 | 56° | 38° | 47° | — | — |
| 2005 | 59° | 45° | 52° | 4.06" | — |
| 2004 | 64° | 48° | 56° | — | — |
| 2003 | 61° | 44° | 52° | — | — |
| 2002 | 56° | 43° | 49° | 0.15" | — |
| 2001 | 55° | 41° | 48° | — | — |
| 2000 | 61° | 50° | 55° | — | — |
| 1999 | 56° | 48° | 52° | — | — |
| 1998 | 57° | 47° | 52° | — | — |
| 1997 | 60° | 49° | 54° | — | — |
| 1996 | 66° | 47° | 56° | — | — |
| 1995 | 53° | 46° | 50° | 0.33" | — |
| 1994 | 57° | 45° | 51° | 0.23" | — |
| 1993 | 54° | 44° | 49° | — | — |
| 1992 | 56° | 33° | 44° | — | — |
| 1991 | 57° | 53° | 55° | 0.18" | — |
| 1990 | 54° | 37° | 45° | 0.08" | — |
| 1989 | 64° | 38° | 51° | — | — |
| 1988 | 55° | 42° | 49° | — | — |
| 1987 | 56° | 43° | 49° | — | — |
| 1986 | 59° | 49° | 54° | — | — |
| 1985 | 62° | 43° | 52° | — | — |
| 1984coldest | 47° | 41° | 44° | — | — |
| 1983 | 54° | 49° | 51° | — | — |
| 1982 | 59° | 42° | 51° | — | — |
| 1981 | 58° | 46° | 52° | 2.13" | — |
| 1980 | 57° | 52° | 54° | — | — |
| 1979 | 56° | 45° | 50° | — | — |
| 1978 | 51° | 40° | 45° | 0.2" | — |
| 1977 | 58° | 42° | 50° | 0.05" | — |
| 1976 | 66° | 42° | 54° | — | — |
| 1975 | 64° | 44° | 54° | — | — |
| 1974 | 56° | 40° | 48° | — | — |
| 1973 | 60° | 41° | 51° | — | — |
| 1972 | 60° | 41° | 51° | 0.84" | — |
| 1971 | 58° | 40° | 49° | — | — |
55 years of data from SAN FRANCISCO OCEANSIDE