Weather on December 31
Concord, CA
55 Years of Data
About This Date
December 31st in Concord, CA typically brings cool winter weather, with average highs around 55°F and lows near 39°F. Over 55 years of records, the warmest December 31st was in 1996 (62°F average), while the coldest was 1978 (36°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 31st dates historically, with the wettest December 31st recording 7.72" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Concord, CA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 49° | 43° | 46° | — | — |
| 2024 | 58° | 35° | 46° | — | — |
| 2023 | 58° | 46° | 52° | 0.43" | — |
| 2022 | 59° | 51° | 55° | 7.72" | — |
| 2021 | 54° | 35° | 44° | — | — |
| 2020 | 61° | 42° | 51° | 0.03" | — |
| 2019 | 65° | 38° | 51° | — | — |
| 2018 | 57° | 38° | 47° | — | — |
| 2017 | 61° | 39° | 50° | — | — |
| 2016 | 54° | 38° | 46° | — | — |
| 2015 | 52° | 29° | 41° | — | — |
| 2014 | 60° | 30° | 45° | — | — |
| 2013 | 63° | 34° | 48° | — | — |
| 2012 | 51° | 30° | 41° | — | — |
| 2011 | 59° | 36° | 47° | — | — |
| 2010 | 46° | 32° | 39° | — | — |
| 2009 | 57° | 48° | 53° | — | — |
| 2008 | 46° | 38° | 42° | — | — |
| 2007 | 54° | 31° | 42° | — | — |
| 2006 | 56° | 36° | 46° | — | — |
| 2005 | 62° | 50° | 56° | 5.69" | — |
| 2004 | 56° | 44° | 50° | 0.79" | — |
| 2003 | 57° | 39° | 48° | — | — |
| 2002 | 58° | 42° | 50° | 1.78" | — |
| 2001 | 59° | 48° | 54° | — | — |
| 2000 | 60° | 32° | 46° | — | — |
| 1999 | 55° | 34° | 44° | — | — |
| 1998 | 61° | 41° | 51° | — | — |
| 1997 | 59° | 41° | 50° | — | — |
| 1996warmest | 68° | 56° | 62° | 0.3" | — |
| 1995 | 66° | 56° | 61° | — | — |
| 1994 | 45° | 36° | 40° | 0.38" | — |
| 1993 | 52° | 38° | 45° | — | — |
| 1992 | 58° | 48° | 53° | — | — |
| 1991 | 56° | 46° | 51° | — | — |
| 1990 | 51° | 27° | 39° | — | — |
| 1989 | 53° | 34° | 43° | — | — |
| 1988 | 39° | 35° | 37° | 1.47" | — |
| 1987 | 49° | 31° | 40° | — | — |
| 1986 | 47° | 37° | 42° | 0.08" | — |
| 1985 | 58° | 48° | 53° | — | — |
| 1984 | 49° | 31° | 40° | — | — |
| 1983 | 60° | 45° | 52° | 0.1" | — |
| 1982 | 46° | 34° | 40° | — | — |
| 1981 | 57° | 50° | 54° | 0.13" | — |
| 1980 | 45° | 40° | 42° | — | — |
| 1979 | 64° | 46° | 55° | 0.13" | — |
| 1978coldest | 45° | 27° | 36° | — | — |
| 1977 | 55° | 38° | 46° | 0.03" | — |
| 1976 | 55° | 33° | 44° | 2.87" | — |
| 1975 | 57° | 40° | 48° | — | — |
| 1974 | 55° | 32° | 44° | — | — |
| 1973 | 52° | 34° | 43° | — | — |
| 1972 | 58° | 29° | 43° | — | — |
| 1971 | 52° | 33° | 42° | — | — |
Concord, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Concord, CA Monthly Precipitation
Average rainfall per month, in inches.
Concord, 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 Concord, CA
Concord, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.