Weather on December 9
Tempe, AZ
55 Years of Data
Avg High
70°F
Avg Low
40°F
Warmest
1996
68°F avg
Coldest
1978
40°F avg
About This Date
December 9th in Tempe, AZ typically brings pleasant winter weather, with average highs around 70°F and lows near 40°F — a 30°F daily swing. Over 55 years of records, the warmest December 9th was in 1996 (68°F average), while the coldest was 1978 (40°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 5% of December 9th dates historically, with the wettest December 9th recording 1.57" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Tempe, AZ? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 43° | 61° | — | — |
| 2024 | 73° | 41° | 57° | — | — |
| 2023 | 70° | 32° | 51° | — | — |
| 2022 | 66° | 48° | 57° | — | — |
| 2021 | 76° | 40° | 58° | — | — |
| 2020 | 82° | 48° | 65° | — | — |
| 2019 | 67° | 51° | 59° | 0.23" | — |
| 2018 | 73° | 38° | 55° | — | — |
| 2017 | 80° | 33° | 57° | — | — |
| 2016 | 75° | 39° | 57° | — | — |
| 2015 | — | 41° | — | — | — |
| 2014 | 81° | 42° | 61° | — | — |
| 2013 | 57° | 27° | 42° | — | — |
| 2012 | 70° | 33° | 51° | — | — |
| 2011 | 70° | 43° | 56° | — | — |
| 2010 | 79° | 38° | 58° | — | — |
| 2009 | 59° | 33° | 46° | — | — |
| 2008 | 69° | 48° | 59° | — | — |
| 2007 | 59° | 41° | 50° | — | — |
| 2006 | 75° | 42° | 59° | — | — |
| 2005 | 75° | 50° | 63° | — | — |
| 2004 | 68° | 44° | 56° | — | — |
| 2003 | 67° | 41° | 54° | — | — |
| 2002 | 70° | 45° | 57° | — | — |
| 2001 | 72° | 39° | 55° | — | — |
| 2000 | 75° | 44° | 60° | — | — |
| 1999 | 67° | 37° | 52° | — | — |
| 1998 | 60° | 36° | 48° | — | — |
| 1997 | 62° | 40° | 51° | — | — |
| 1996warmest | 85° | 51° | 68° | — | — |
| 1995 | 80° | 45° | 62° | — | — |
| 1994 | 63° | 37° | 50° | — | — |
| 1993 | 75° | 33° | 54° | — | — |
| 1992 | 64° | 44° | 54° | — | — |
| 1991 | 77° | 46° | 62° | — | — |
| 1990 | 80° | 42° | 61° | — | — |
| 1989 | 77° | 43° | 60° | — | — |
| 1988 | 67° | 52° | 59° | — | — |
| 1987 | 70° | 40° | 55° | — | — |
| 1986 | 63° | 42° | 52° | — | — |
| 1985 | 64° | 42° | 53° | — | — |
| 1984 | 71° | 43° | 57° | — | — |
| 1983 | 73° | 44° | 59° | — | — |
| 1982 | 65° | 53° | 59° | 1.57" | — |
| 1981 | 80° | 44° | 62° | — | — |
| 1980 | 60° | 31° | 45° | — | — |
| 1979 | 78° | 39° | 59° | — | — |
| 1978coldest | 53° | 26° | 40° | — | — |
| 1977 | 72° | 39° | 55° | — | — |
| 1976 | 73° | 31° | 52° | — | — |
| 1975 | 80° | 42° | 61° | — | — |
| 1974 | 68° | 33° | 51° | — | — |
| 1973 | 73° | 33° | 53° | — | — |
| 1972 | 54° | 40° | 47° | 0.66" | — |
| 1971 | 55° | 26° | 41° | — | — |
55 years of data from TEMPE ASU