Weather on January 3
San Francisco, CA
55 Years of Data
About This Date
January 3rd in San Francisco, CA typically brings cool winter weather, with average highs around 56°F and lows near 46°F. Over 56 years of records, the warmest January 3rd was in 2026 (59°F average), while the coldest was 1974 (41°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 38% of January 3rd dates historically, with the wettest January 3rd recording 3.53" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for January 3rd in San Francisco, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 63° | 56° | 59° | 0.25" | — |
| 2025 | 57° | 51° | 54° | 0.46" | — |
| 2024 | 56° | 48° | 52° | 0.13" | — |
| 2023 | 54° | 45° | 49° | — | — |
| 2022 | 55° | 48° | 52° | 0.86" | — |
| 2021 | 53° | 48° | 51° | — | — |
| 2020 | 60° | 47° | 53° | — | — |
| 2019 | 55° | 44° | 50° | — | — |
| 2018 | 58° | 53° | 55° | 0.23" | — |
| 2017 | 58° | 47° | 52° | 1.02" | — |
| 2016 | 55° | 46° | 51° | 0.05" | — |
| 2015 | 53° | 42° | 48° | — | — |
| 2014 | 64° | 49° | 56° | — | — |
| 2013 | 54° | 41° | 47° | — | — |
| 2012 | 59° | 48° | 54° | — | — |
| 2011 | 53° | 46° | 50° | — | — |
| 2010 | 57° | 47° | 52° | — | — |
| 2009 | 52° | 41° | 46° | — | — |
| 2008 | 58° | 51° | 54° | 0.51" | — |
| 2007 | 60° | 49° | 54° | 0.25" | — |
| 2006 | 54° | 47° | 50° | 0.51" | — |
| 2005 | 54° | 44° | 49° | 0.08" | — |
| 2004 | 53° | 39° | 46° | — | — |
| 2003 | 63° | 47° | 55° | — | — |
| 2002 | 56° | 48° | 52° | — | — |
| 2001 | 63° | 46° | 54° | — | — |
| 2000 | 60° | 43° | 51° | — | — |
| 1999 | 65° | 48° | 56° | — | — |
| 1998 | 59° | 50° | 55° | 1.45" | — |
| 1997 | 60° | 48° | 54° | — | — |
| 1996 | 59° | 50° | 55° | — | — |
| 1995 | 56° | 47° | 51° | 0.76" | — |
| 1994 | 55° | 46° | 51° | — | — |
| 1993 | 53° | 38° | 45° | — | — |
| 1992 | 62° | 45° | 53° | — | — |
| 1991 | 56° | 45° | 50° | — | — |
| 1990 | 57° | 41° | 49° | — | — |
| 1989 | 59° | 43° | 51° | — | — |
| 1988 | 50° | 46° | 48° | 1.37" | — |
| 1987 | 56° | 51° | 53° | 2.87" | — |
| 1986 | 61° | 54° | 57° | 0.69" | — |
| 1985 | 63° | 42° | 52° | — | — |
| 1984 | 58° | 44° | 51° | — | — |
| 1983 | 50° | 42° | 46° | — | — |
| 1982 | 48° | 42° | 45° | — | — |
| 1981 | 59° | 47° | 53° | 0.33" | — |
| 1980 | 56° | 47° | 51° | — | — |
| 1979 | 56° | 46° | 51° | 0.33" | — |
| 1978 | 56° | 52° | 54° | 0.53" | — |
| 1977 | 56° | 48° | 52° | 0.48" | — |
| 1976 | 50° | 42° | 46° | — | — |
| 1975 | 52° | 42° | 47° | — | — |
| 1974coldest | 45° | 38° | 41° | 3.53" | — |
| 1973 | 52° | 43° | 47° | — | — |
| 1972 | 54° | 42° | 48° | — | — |
| 1971 | 52° | 44° | 48° | — | — |