Weather on December 31
Tucson, AZ
55 Years of Data
Avg High
65°F
Avg Low
40°F
Warmest
1980
67°F avg
Coldest
2010
35°F avg
About This Date
December 31st in Tucson, AZ typically brings mild winter weather, with average highs around 65°F and lows near 40°F — a 25°F daily swing. Over 55 years of records, the warmest December 31st was in 1980 (67°F average), while the coldest was 2010 (35°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 31st dates historically, with the wettest December 31st recording 1.5" 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 December 31st in Tucson, AZ? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 56° | 61° | 0.15" | — |
| 2024 | 73° | 41° | 57° | — | — |
| 2023 | 63° | 37° | 50° | — | — |
| 2022 | 72° | 45° | 58° | — | — |
| 2021 | 67° | 49° | 58° | 1.3" | — |
| 2020 | 62° | 34° | 48° | — | — |
| 2019 | 63° | 40° | 51° | — | — |
| 2018 | 54° | 36° | 45° | 0.43" | — |
| 2017 | 77° | 45° | 61° | — | — |
| 2016 | 58° | 51° | 54° | 0.56" | — |
| 2015 | 62° | 32° | 47° | — | — |
| 2014 | 60° | 34° | 47° | 1.37" | — |
| 2013 | 72° | 38° | 55° | — | — |
| 2012 | 51° | 32° | 42° | — | — |
| 2011 | 75° | 39° | 57° | — | — |
| 2010coldest | 45° | 25° | 35° | — | — |
| 2009 | 62° | 28° | 45° | — | — |
| 2008 | 79° | 36° | 57° | — | — |
| 2007 | 63° | 34° | 48° | — | — |
| 2006 | 60° | 35° | 48° | — | — |
| 2005 | 70° | 43° | 56° | — | — |
| 2004 | 68° | 44° | 56° | — | — |
| 2003 | 61° | 44° | 52° | 0.13" | — |
| 2002 | 66° | 33° | 50° | — | — |
| 2001 | 67° | 46° | 56° | — | — |
| 2000 | 69° | 38° | 53° | — | — |
| 1999 | — | 46° | — | 0.03" | — |
| 1998 | 73° | 45° | 59° | — | — |
| 1997 | 72° | 36° | 54° | — | — |
| 1996 | 68° | 46° | 57° | — | — |
| 1995 | 67° | 41° | 54° | — | — |
| 1994 | 60° | 40° | 50° | — | — |
| 1993 | 70° | 47° | 58° | — | — |
| 1992 | 68° | 49° | 58° | — | — |
| 1991 | 60° | 39° | 50° | — | — |
| 1990 | 69° | 42° | 56° | — | — |
| 1989 | 60° | 36° | 48° | — | — |
| 1988 | 66° | 29° | 47° | — | — |
| 1987 | 54° | 37° | 45° | — | — |
| 1986 | 66° | 37° | 52° | — | — |
| 1985 | 68° | 49° | 58° | — | — |
| 1984 | 63° | 41° | 52° | — | — |
| 1983 | 73° | 42° | 58° | — | — |
| 1982 | 53° | 38° | 45° | — | — |
| 1981 | 61° | 49° | 55° | — | — |
| 1980warmest | 79° | 55° | 67° | — | — |
| 1979 | 74° | 36° | 55° | — | — |
| 1978 | 56° | 39° | 47° | 0.94" | — |
| 1977 | 65° | 47° | 56° | — | — |
| 1976 | 60° | 44° | 52° | 1.5" | — |
| 1975 | 54° | 36° | 45° | 0.1" | — |
| 1974 | 58° | 36° | 47° | — | — |
| 1973 | 66° | 37° | 52° | — | — |
| 1972 | 56° | 29° | 42° | — | — |
| 1971 | 61° | 36° | 48° | — | — |
55 years of data from TUCSON WFO