Weather on December 31
Modesto, CA
55 Years of Data
Avg High
54°F
Avg Low
39°F
Warmest
1996
62°F avg
Coldest
1982
34°F avg
About This Date
December 31st in Modesto, CA typically brings cool winter weather, with average highs around 54°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 1982 (34°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 31st dates historically, with the wettest December 31st recording 3.48" of rain. The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Modesto, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 51° | 44° | 48° | 0.69" | — |
| 2024 | 57° | 37° | 47° | — | — |
| 2023 | 57° | 49° | 53° | — | — |
| 2022 | 59° | 48° | 54° | 3.48" | — |
| 2021 | 49° | 39° | 44° | — | — |
| 2020 | 57° | 39° | 48° | 0.05" | — |
| 2019 | 58° | 34° | 46° | — | — |
| 2018 | 57° | 37° | 47° | — | — |
| 2017 | 62° | 36° | 49° | — | — |
| 2016 | 50° | 36° | 43° | 0.15" | — |
| 2015 | 50° | 33° | 42° | — | — |
| 2014 | 51° | 32° | 42° | — | — |
| 2013 | 63° | 33° | 48° | — | — |
| 2012 | 51° | 32° | 42° | — | — |
| 2011 | 54° | 36° | 45° | — | — |
| 2010 | 49° | 30° | 39° | — | — |
| 2009 | 53° | 44° | 49° | — | — |
| 2008 | 46° | 41° | 44° | — | — |
| 2007 | 53° | 35° | 44° | — | — |
| 2006 | 55° | 35° | 45° | — | — |
| 2005 | 62° | 44° | 53° | 0.58" | — |
| 2004 | 54° | 47° | 50° | 1.19" | — |
| 2003 | 55° | 44° | 50° | 0.05" | — |
| 2002 | 56° | 41° | 48° | 0.64" | — |
| 2001 | 57° | 51° | 54° | — | — |
| 2000 | 56° | 29° | 42° | — | — |
| 1999 | 58° | 40° | 49° | — | — |
| 1998 | 57° | 43° | 50° | — | — |
| 1997 | 58° | 44° | 51° | — | — |
| 1996warmest | 67° | 58° | 62° | 0.05" | — |
| 1995 | 63° | 51° | 57° | 0.03" | — |
| 1994 | 50° | 34° | 42° | — | — |
| 1993 | 45° | 39° | 42° | — | — |
| 1992 | 53° | 41° | 47° | — | — |
| 1991 | 58° | 36° | 47° | — | — |
| 1990 | 55° | 30° | 43° | — | — |
| 1989 | 54° | 33° | 43° | — | — |
| 1988 | 47° | 36° | 41° | 0.28" | — |
| 1987 | 46° | 30° | 38° | — | — |
| 1986 | 48° | 38° | 43° | 0.1" | — |
| 1985 | 54° | 49° | 51° | — | — |
| 1984 | 48° | 34° | 41° | — | — |
| 1983 | 59° | 43° | 51° | — | — |
| 1982coldest | 39° | 29° | 34° | — | — |
| 1981 | 55° | 49° | 52° | 0.18" | — |
| 1980 | 44° | 38° | 41° | — | — |
| 1979 | 64° | 54° | 59° | 0.03" | — |
| 1978 | 45° | 25° | 35° | — | — |
| 1977 | 57° | 41° | 49° | — | — |
| 1976 | 52° | 40° | 46° | 0.43" | — |
| 1975 | 53° | 31° | 42° | — | — |
| 1974 | 56° | 35° | 45° | — | — |
| 1973 | 50° | 39° | 45° | 0.46" | — |
| 1972 | 59° | 30° | 45° | — | — |
| 1971 | 51° | 26° | 39° | — | — |
55 years of data from MODESTO AP