Weather on December 31
Tempe, AZ
55 Years of Data
Avg High
67°F
Avg Low
38°F
Warmest
1996
63°F avg
Coldest
2010
36°F avg
About This Date
December 31st in Tempe, AZ typically brings mild winter weather, with average highs around 67°F and lows near 38°F — a 29°F daily swing. Over 55 years of records, the warmest December 31st was in 1996 (63°F average), while the coldest was 2010 (36°F) — a 27°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 0.66" of rain. The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Tempe, AZ? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | — | — | — | — |
| 2024 | 73° | 39° | 56° | — | — |
| 2023 | 75° | 34° | 54° | — | — |
| 2022 | 69° | 45° | 57° | 0.03" | — |
| 2021 | — | 44° | — | 0.05" | — |
| 2020 | 61° | 35° | 48° | — | — |
| 2019 | 62° | 45° | 53° | — | — |
| 2018 | — | 25° | — | 0.23" | — |
| 2017 | 72° | 37° | 54° | — | — |
| 2016 | — | 53° | — | 0.51" | — |
| 2015 | 61° | 25° | 43° | — | — |
| 2014 | — | 39° | — | 0.66" | — |
| 2013 | 74° | 31° | 52° | — | — |
| 2012 | 55° | 31° | 43° | 0.1" | — |
| 2011 | 77° | 36° | 56° | — | — |
| 2010coldest | 49° | 24° | 36° | — | — |
| 2009 | 65° | 33° | 49° | — | — |
| 2008 | 76° | 38° | 57° | — | — |
| 2007 | 67° | 29° | 48° | — | — |
| 2006 | 63° | 32° | 47° | — | — |
| 2005 | 69° | 45° | 57° | — | — |
| 2004 | 62° | 48° | 55° | — | — |
| 2003 | 67° | 44° | 55° | — | — |
| 2002 | 66° | 37° | 52° | — | — |
| 2001 | 67° | 47° | 57° | — | — |
| 2000 | 72° | 39° | 55° | — | — |
| 1999 | 72° | 42° | 57° | — | — |
| 1998 | 77° | 44° | 61° | — | — |
| 1997 | 74° | 47° | 60° | — | — |
| 1996warmest | 73° | 53° | 63° | 0.03" | — |
| 1995 | 68° | 38° | 53° | — | — |
| 1994 | 62° | 36° | 49° | — | — |
| 1993 | 73° | 39° | 56° | — | — |
| 1992 | 69° | 40° | 54° | — | — |
| 1991 | 65° | 40° | 52° | — | — |
| 1990 | 69° | 38° | 53° | — | — |
| 1989 | 67° | 39° | 53° | — | — |
| 1988 | 62° | 29° | 45° | — | — |
| 1987 | 62° | 35° | 49° | — | — |
| 1986 | 68° | 41° | 55° | — | — |
| 1985 | 67° | 47° | 57° | — | — |
| 1984 | 64° | 41° | 53° | — | — |
| 1983 | 70° | 46° | 58° | — | — |
| 1982 | 62° | 36° | 49° | — | — |
| 1981 | 68° | 45° | 56° | — | — |
| 1980 | 80° | 42° | 61° | — | — |
| 1979 | 65° | 34° | 49° | — | — |
| 1978 | 59° | 27° | 43° | 0.18" | — |
| 1977 | 66° | 44° | 55° | 0.03" | — |
| 1976 | 59° | 39° | 49° | 0.51" | — |
| 1975 | 63° | 29° | 46° | — | — |
| 1974 | 57° | 30° | 44° | — | — |
| 1973 | 69° | 32° | 51° | — | — |
| 1972 | 54° | 26° | 40° | — | — |
| 1971 | 61° | 30° | 45° | — | — |
55 years of data from TEMPE ASU