Weather on January 9
San Diego, CA
55 Years of Data
About This Date
January 9th in San Diego, CA typically brings mild winter weather, with average highs around 65°F and lows near 49°F. Over 56 years of records, the warmest January 9th was in 1983 (65°F average), while the coldest was 1971 (48°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 23% of January 9th dates historically, with the wettest January 9th recording 3.99" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for January 9th in San Diego, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 43° | 55° | — | — |
| 2025 | 70° | 44° | 57° | — | — |
| 2024 | 63° | 38° | 50° | — | — |
| 2023 | 65° | 49° | 57° | — | — |
| 2022 | 69° | 44° | 57° | — | — |
| 2021 | 68° | 42° | 55° | — | — |
| 2020 | 64° | 52° | 58° | 0.13" | — |
| 2019 | 65° | 51° | 58° | — | — |
| 2018 | 65° | 56° | 60° | 3.99" | — |
| 2017 | 63° | 58° | 60° | 0.46" | — |
| 2016 | 61° | 48° | 54° | — | — |
| 2015 | 65° | 56° | 60° | — | — |
| 2014 | 63° | 54° | 58° | — | — |
| 2013 | 60° | 48° | 54° | — | — |
| 2012 | 74° | 47° | 60° | — | — |
| 2011 | 61° | 54° | 57° | — | — |
| 2010 | 75° | 52° | 63° | — | — |
| 2009 | 62° | 51° | 57° | — | — |
| 2008 | 58° | 47° | 52° | — | — |
| 2007 | 75° | 50° | 63° | — | — |
| 2006 | 76° | 48° | 62° | — | — |
| 2005 | 64° | 60° | 62° | 1.93" | — |
| 2004 | 68° | 48° | 58° | — | — |
| 2003 | 64° | 53° | 59° | — | — |
| 2002 | 61° | 55° | 58° | — | — |
| 2001 | 60° | 52° | 56° | 0.86" | — |
| 2000 | 64° | 44° | 54° | — | — |
| 1999 | 72° | 48° | 60° | — | — |
| 1998 | 63° | 55° | 59° | 2.18" | — |
| 1997 | 61° | 45° | 53° | — | — |
| 1996 | 65° | 48° | 56° | — | — |
| 1995 | 63° | 54° | 58° | — | — |
| 1994 | 63° | 45° | 54° | — | — |
| 1993 | 60° | 53° | 57° | 0.18" | — |
| 1992 | 66° | 43° | 54° | — | — |
| 1991 | 60° | 53° | 57° | 0.69" | — |
| 1990 | 72° | 47° | 59° | — | — |
| 1989 | 61° | 37° | 49° | — | — |
| 1988 | 64° | 46° | 55° | — | — |
| 1987 | 64° | 47° | 55° | — | — |
| 1986 | 75° | 45° | 60° | — | — |
| 1985 | 61° | 51° | 56° | — | — |
| 1984 | 66° | 58° | 62° | — | — |
| 1983warmest | 80° | 50° | 65° | — | — |
| 1982 | 73° | 47° | 60° | — | — |
| 1981 | 71° | 49° | 60° | — | — |
| 1980 | 65° | 60° | 62° | 2.59" | — |
| 1979 | 60° | 55° | 58° | 0.1" | — |
| 1978 | 63° | 58° | 60° | 1.47" | — |
| 1977 | 63° | 48° | 55° | — | — |
| 1976 | 63° | 45° | 54° | — | — |
| 1975 | 61° | 50° | 55° | — | — |
| 1974 | 60° | 52° | 56° | 0.08" | — |
| 1973 | 62° | 54° | 58° | 0.48" | — |
| 1972 | 61° | 42° | 51° | — | — |
| 1971coldest | 55° | 41° | 48° | — | — |
San Diego, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Diego, CA Monthly Precipitation
Average rainfall per month, in inches.
San Diego, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Diego, CA
Most pleasant months in San Diego, CA: June.