Weather on January 4
San Francisco, CA
55 Years of Data
Avg High
57°F
Avg Low
46°F
Warmest
1986
58°F avg
Coldest
1974
42°F avg
About This Date
January 4th in San Francisco, CA typically brings cool winter weather, with average highs around 57°F and lows near 46°F. Over 56 years of records, the warmest January 4th was in 1986 (58°F average), while the coldest was 1974 (42°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 45% of January 4th dates historically, with the wettest January 4th recording 9.91" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for January 4th in San Francisco, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 58° | 50° | 54° | 1.22" | — |
| 2025 | 56° | 48° | 52° | — | — |
| 2024 | 61° | 47° | 54° | — | — |
| 2023 | 60° | 48° | 54° | 2.69" | — |
| 2022 | 57° | 51° | 54° | 0.46" | — |
| 2021 | 59° | 49° | 54° | 0.61" | — |
| 2020 | 58° | 50° | 54° | — | — |
| 2019 | 56° | 45° | 50° | — | — |
| 2018 | 63° | 53° | 58° | 0.15" | — |
| 2017 | 58° | 46° | 52° | 2.26" | — |
| 2016 | 57° | 47° | 52° | 0.23" | — |
| 2015 | 55° | 45° | 50° | — | — |
| 2014 | 66° | 46° | 56° | — | — |
| 2013 | 57° | 45° | 51° | — | — |
| 2012 | 66° | 48° | 57° | — | — |
| 2011 | 54° | 43° | 48° | — | — |
| 2010 | 55° | 46° | 51° | — | — |
| 2009 | 51° | 39° | 45° | — | — |
| 2008 | 59° | 51° | 55° | 4.98" | — |
| 2007 | 56° | 44° | 50° | 0.43" | — |
| 2006 | 62° | 50° | 56° | 0.05" | — |
| 2005 | 53° | 44° | 49° | 0.1" | — |
| 2004 | 54° | 39° | 46° | — | — |
| 2003 | 66° | 50° | 58° | — | — |
| 2002 | 61° | 46° | 53° | — | — |
| 2001 | 65° | 47° | 56° | — | — |
| 2000 | 55° | 44° | 50° | 0.08" | — |
| 1999 | 56° | 42° | 49° | — | — |
| 1998 | 57° | 45° | 51° | 0.66" | — |
| 1997 | 54° | 47° | 50° | 0.13" | — |
| 1996 | 59° | 50° | 55° | — | — |
| 1995 | 52° | 49° | 50° | 1.57" | — |
| 1994 | 55° | 46° | 51° | 0.23" | — |
| 1993 | 54° | 37° | 45° | — | — |
| 1992 | 59° | 51° | 55° | 1.93" | — |
| 1991 | 59° | 41° | 50° | — | — |
| 1990 | 57° | 42° | 50° | — | — |
| 1989 | 57° | 40° | 48° | — | — |
| 1988 | 51° | 48° | 50° | 2.59" | — |
| 1987 | 51° | 48° | 50° | 0.41" | — |
| 1986warmest | 62° | 54° | 58° | 1.8" | — |
| 1985 | 58° | 44° | 51° | — | — |
| 1984 | 56° | 44° | 50° | — | — |
| 1983 | 46° | 41° | 44° | — | — |
| 1982 | 54° | 44° | 49° | 9.91" | — |
| 1981 | 60° | 48° | 54° | — | — |
| 1980 | 53° | 49° | 51° | 0.05" | — |
| 1979 | 57° | 48° | 53° | — | — |
| 1978 | 60° | 52° | 56° | 0.91" | — |
| 1977 | 55° | 46° | 51° | — | — |
| 1976 | 53° | 42° | 48° | — | — |
| 1975 | 56° | 45° | 50° | 0.1" | — |
| 1974coldest | 44° | 40° | 42° | 0.58" | — |
| 1973 | 53° | 41° | 47° | — | — |
| 1972 | 50° | 42° | 46° | — | — |
| 1971 | 49° | 39° | 44° | — | — |
56 years of data from SAN FRANCISCO DWTN