Weather on December 31
Chula Vista, CA
55 Years of Data
Avg High
64°F
Avg Low
45°F
Warmest
1997
65°F avg
Coldest
2006
47°F avg
About This Date
December 31st in Chula Vista, CA typically brings mild winter weather, with average highs around 64°F and lows near 45°F. Over 55 years of records, the warmest December 31st was in 1997 (65°F average), while the coldest was 2006 (47°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 20% of December 31st dates historically, with the wettest December 31st recording 2.16" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for December 31st in Chula Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 58° | 65° | 0.58" | — |
| 2024 | 60° | 46° | 53° | — | — |
| 2023 | 64° | 52° | 58° | 0.05" | — |
| 2022 | 62° | 55° | 59° | 0.08" | — |
| 2021 | 62° | 52° | 57° | — | — |
| 2020 | 62° | 40° | 51° | — | — |
| 2019 | 71° | 46° | 59° | — | — |
| 2018 | 60° | 54° | 57° | 0.28" | — |
| 2017 | 64° | 46° | 55° | — | — |
| 2016 | 60° | 54° | 57° | 0.56" | — |
| 2015 | 65° | 42° | 53° | — | — |
| 2014 | 54° | 43° | 48° | 0.56" | — |
| 2013 | 70° | 41° | 55° | — | — |
| 2012 | 57° | 38° | 47° | 0.08" | — |
| 2011 | 62° | 43° | 52° | — | — |
| 2010 | 56° | 41° | 48° | — | — |
| 2009 | 68° | 49° | 58° | — | — |
| 2008 | 57° | 37° | 47° | — | — |
| 2007 | 73° | 38° | 55° | — | — |
| 2006coldest | 60° | 34° | 47° | — | — |
| 2005 | 62° | 46° | 54° | — | — |
| 2004 | 59° | 47° | 53° | 0.48" | — |
| 2003 | 66° | 36° | 51° | — | — |
| 2002 | 62° | 46° | 54° | — | — |
| 2001 | 65° | 54° | 59° | — | — |
| 2000 | 71° | 40° | 55° | — | — |
| 1999 | 62° | 50° | 56° | — | — |
| 1998 | 61° | 45° | 53° | — | — |
| 1997warmest | 77° | 53° | 65° | — | — |
| 1996 | 67° | 56° | 61° | — | — |
| 1995 | 61° | 49° | 55° | — | — |
| 1994 | 65° | 43° | 54° | — | — |
| 1993 | 71° | 46° | 59° | — | — |
| 1992 | 60° | 44° | 52° | — | — |
| 1991 | 70° | 43° | 56° | — | — |
| 1990 | 68° | 39° | 54° | — | — |
| 1989 | 74° | 43° | 58° | — | — |
| 1988 | 59° | 40° | 49° | — | — |
| 1987 | 63° | 39° | 51° | — | — |
| 1986 | 76° | 46° | 61° | — | — |
| 1985 | 73° | 49° | 61° | — | — |
| 1984 | 62° | 41° | 52° | — | — |
| 1983 | 71° | 45° | 58° | — | — |
| 1982 | 64° | 34° | 49° | — | — |
| 1981 | 61° | 55° | 58° | 0.86" | — |
| 1980 | — | 45° | — | — | — |
| 1979 | 65° | 47° | 56° | — | — |
| 1978 | 60° | 44° | 52° | — | — |
| 1977 | 64° | 55° | 60° | — | — |
| 1976 | 63° | 53° | 58° | 2.16" | — |
| 1975 | 61° | 47° | 54° | — | — |
| 1974 | 58° | 39° | 48° | 0.13" | — |
| 1973 | 63° | 43° | 53° | — | — |
| 1972 | 59° | 40° | 49° | — | — |
| 1971 | 59° | 39° | 49° | — | — |
55 years of data from CHULA VISTA