Weather on January 20
San Ramon, CA
55 Years of Data
About This Date
January 20th in San Ramon, CA typically brings cool winter weather, with average highs around 57°F and lows near 42°F. Over 56 years of records, the warmest January 20th was in 1977 (65°F average), while the coldest was 1982 (37°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 20% of January 20th dates historically, with the wettest January 20th recording 1.36" 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 20th in San Ramon, CA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 64° | 54° | 59° | — | — |
| 2025 | 55° | 37° | 46° | — | — |
| 2024 | 53° | 44° | 49° | 0.16" | — |
| 2023 | 44° | 33° | 39° | — | — |
| 2022 | 60° | 50° | 55° | — | — |
| 2021 | 58° | 44° | 51° | — | — |
| 2020 | 52° | 47° | 49° | — | — |
| 2019 | 62° | 50° | 56° | 0.09" | — |
| 2018 | 47° | 35° | 41° | — | — |
| 2017 | 54° | 41° | 47° | 1.11" | — |
| 2016 | 57° | 43° | 50° | 1.2" | — |
| 2015 | 57° | 45° | 51° | — | — |
| 2014 | 70° | 54° | 62° | — | — |
| 2013 | 63° | 50° | 56° | — | — |
| 2012 | 51° | 36° | 43° | — | — |
| 2011 | 56° | 43° | 49° | 0.05" | — |
| 2010 | 44° | 39° | 42° | 1.36" | — |
| 2009 | 70° | 56° | 63° | — | — |
| 2008 | 58° | 30° | 44° | — | — |
| 2007 | 63° | 37° | 50° | — | — |
| 2006 | 58° | 35° | 46° | — | — |
| 2005 | 60° | 37° | 49° | — | — |
| 2004 | 56° | 42° | 49° | — | — |
| 2003 | 70° | 53° | 61° | — | — |
| 2002 | 51° | 31° | 41° | — | — |
| 2001 | 56° | 36° | 46° | — | — |
| 2000 | 56° | 45° | 50° | — | — |
| 1999 | 59° | 54° | 56° | — | — |
| 1998 | 54° | 38° | 46° | — | — |
| 1997 | 55° | 41° | 48° | — | — |
| 1996 | 58° | 43° | 50° | — | — |
| 1995 | 52° | 39° | 45° | — | — |
| 1994 | 62° | 44° | 53° | — | — |
| 1993 | 58° | 52° | 55° | — | — |
| 1992 | 45° | 29° | 37° | — | — |
| 1991 | 61° | 45° | 53° | — | — |
| 1990 | 47° | 32° | 39° | — | — |
| 1989 | 66° | 47° | 56° | — | — |
| 1988 | 51° | 37° | 44° | — | — |
| 1987 | 60° | 37° | 49° | — | — |
| 1986 | 58° | 36° | 47° | — | — |
| 1985 | 62° | 42° | 52° | — | — |
| 1984 | 55° | 34° | 44° | — | — |
| 1983 | 48° | 32° | 40° | — | — |
| 1982coldest | 41° | 33° | 37° | 0.3" | — |
| 1981 | 67° | 52° | 59° | 0.04" | — |
| 1980 | 51° | 34° | 42° | — | — |
| 1979 | 58° | 39° | 48° | — | — |
| 1978 | 49° | 42° | 45° | 0.03" | — |
| 1977warmest | 75° | 55° | 65° | — | — |
| 1976 | 72° | 50° | 61° | — | — |
| 1975 | 73° | 48° | 61° | — | — |
| 1974 | 51° | 39° | 45° | 0.06" | — |
| 1973 | 47° | 32° | 39° | — | — |
| 1972 | 46° | 41° | 44° | 0.01" | — |
| 1971 | 71° | 47° | 59° | — | — |
San Ramon, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Ramon, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Ramon, 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 Ramon, CA
Most pleasant months in San Ramon, CA: May, June, September, October.
What to expect on January 20th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
January 20th outlook →