Weather on December 20
Tucson, AZ
55 Years of Data
Avg High
67°F
Avg Low
41°F
Warmest
2001
66°F avg
Coldest
2006
41°F avg
About This Date
December 20th in Tucson, AZ typically brings mild winter weather, with average highs around 67°F and lows near 41°F — a 26°F daily swing. Over 55 years of records, the warmest December 20th was in 2001 (66°F average), while the coldest was 2006 (41°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 20th dates historically, with the wettest December 20th recording 1.55" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Tucson, AZ? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 44° | 63° | — | — |
| 2024 | 82° | 47° | 64° | — | — |
| 2023 | 75° | 53° | 64° | — | — |
| 2022 | 66° | 36° | 51° | — | — |
| 2021 | 71° | 40° | 55° | — | — |
| 2020 | 73° | 34° | 53° | — | — |
| 2019 | 65° | 32° | 48° | — | — |
| 2018 | 76° | 40° | 58° | — | — |
| 2017 | 69° | 40° | 54° | — | — |
| 2016 | 75° | 48° | 62° | — | — |
| 2015 | 63° | 45° | 54° | — | — |
| 2014 | 63° | 38° | 50° | — | — |
| 2013 | 55° | 45° | 50° | 1.02" | — |
| 2012 | 65° | 28° | 46° | — | — |
| 2011 | 59° | 40° | 49° | — | — |
| 2010 | 75° | 44° | 60° | — | — |
| 2009 | 71° | 41° | 56° | — | — |
| 2008 | 64° | 34° | 49° | — | — |
| 2007 | 64° | 38° | 51° | — | — |
| 2006coldest | 51° | 31° | 41° | — | — |
| 2005 | 71° | 39° | 55° | — | — |
| 2004 | 71° | 47° | 59° | — | — |
| 2003 | 79° | 51° | 65° | — | — |
| 2002 | 71° | 35° | 53° | — | — |
| 2001warmest | 79° | 53° | 66° | — | — |
| 2000 | 66° | 35° | 51° | — | — |
| 1999 | 63° | 34° | 48° | — | — |
| 1998 | 68° | 46° | 57° | — | — |
| 1997 | 63° | 40° | 51° | — | — |
| 1996 | 68° | 30° | 49° | — | — |
| 1995 | 61° | 35° | 48° | — | — |
| 1994 | 72° | 43° | 57° | — | — |
| 1993 | 61° | 42° | 51° | — | — |
| 1992 | 58° | 37° | 47° | — | — |
| 1991 | 65° | 47° | 56° | 0.23" | — |
| 1990 | 56° | 32° | 44° | 1.55" | — |
| 1989 | 66° | 40° | 53° | — | — |
| 1988 | 63° | 35° | 49° | — | — |
| 1987 | 58° | 48° | 53° | — | — |
| 1986 | 63° | 46° | 54° | 0.46" | — |
| 1985 | 78° | 42° | 60° | — | — |
| 1984 | 62° | 46° | 54° | — | — |
| 1983 | 68° | 52° | 60° | — | — |
| 1982 | 78° | 43° | 60° | — | — |
| 1981 | 75° | 49° | 62° | — | — |
| 1980 | 69° | 49° | 59° | — | — |
| 1979 | 74° | 51° | 62° | — | — |
| 1978 | 54° | 37° | 45° | 0.05" | — |
| 1977 | 62° | 38° | 50° | — | — |
| 1976 | 65° | 39° | 52° | — | — |
| 1975 | 66° | 46° | 56° | — | — |
| 1974 | 65° | 38° | 51° | — | — |
| 1973 | 64° | 46° | 55° | — | — |
| 1972 | 66° | 40° | 53° | — | — |
| 1971 | 67° | 34° | 50° | — | — |
55 years of data from TUCSON WFO