Weather on December 20
Glendale, AZ
55 Years of Data
Avg High
66°F
Avg Low
41°F
Warmest
2016
63°F avg
Coldest
2006
42°F avg
About This Date
December 20th in Glendale, AZ typically brings mild winter weather, with average highs around 66°F and lows near 41°F — a 25°F daily swing. Over 54 years of records, the warmest December 20th was in 2016 (63°F average), while the coldest was 2006 (42°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 6% of December 20th dates historically. 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 20th in Glendale, AZ? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 43° | 57° | — | — |
| 2024 | 78° | 44° | 61° | — | — |
| 2023 | 73° | 51° | 62° | — | — |
| 2022 | 58° | 32° | 45° | — | — |
| 2021 | 66° | 37° | 52° | — | — |
| 2020 | 65° | 34° | 49° | — | — |
| 2019 | 64° | 34° | 49° | — | — |
| 2018 | 69° | 38° | 53° | — | — |
| 2017 | 66° | 39° | 53° | — | — |
| 2016warmest | 72° | 55° | 63° | — | — |
| 2015 | 64° | 44° | 54° | — | — |
| 2014 | 62° | 42° | 52° | — | — |
| 2012 | 62° | 37° | 50° | — | — |
| 2011 | 61° | 50° | 55° | — | — |
| 2010 | 70° | 52° | 61° | — | — |
| 2009 | 72° | 46° | 59° | — | — |
| 2008 | 58° | 36° | 47° | — | — |
| 2007 | 63° | 38° | 50° | — | — |
| 2006coldest | 53° | 31° | 42° | — | — |
| 2005 | 70° | 41° | 55° | — | — |
| 2004 | 74° | 41° | 57° | — | — |
| 2003 | 74° | 46° | 60° | — | — |
| 2002 | 62° | 33° | 48° | — | — |
| 2001 | 73° | 38° | 55° | — | — |
| 2000 | 64° | 36° | 50° | — | — |
| 1999 | 71° | 39° | 55° | — | — |
| 1998 | 68° | 49° | 58° | — | — |
| 1997 | 65° | 49° | 57° | — | — |
| 1996 | 63° | 36° | 49° | — | — |
| 1995 | 64° | 40° | 52° | — | — |
| 1994 | 71° | 45° | 58° | — | — |
| 1993 | 65° | 40° | 52° | — | — |
| 1992 | 57° | 35° | 46° | — | — |
| 1991 | 64° | 45° | 54° | 0.41" | — |
| 1990 | 57° | 46° | 52° | 0.05" | — |
| 1989 | 68° | 44° | 56° | — | — |
| 1988 | 63° | 40° | 51° | — | — |
| 1987 | 63° | 42° | 52° | — | — |
| 1986 | 68° | 52° | 60° | 0.25" | — |
| 1985 | 77° | 43° | 60° | — | — |
| 1984 | 60° | 49° | 54° | — | — |
| 1983 | 64° | 40° | 52° | — | — |
| 1982 | 74° | 35° | 54° | — | — |
| 1981 | 75° | 41° | 58° | — | — |
| 1980 | 75° | 40° | 57° | — | — |
| 1979 | 68° | 46° | 57° | — | — |
| 1978 | 57° | 34° | 45° | — | — |
| 1977 | 59° | 49° | 54° | — | — |
| 1976 | 69° | 35° | 52° | — | — |
| 1975 | 63° | 41° | 52° | — | — |
| 1974 | 67° | 31° | 49° | — | — |
| 1973 | 65° | 39° | 52° | — | — |
| 1972 | 72° | 37° | 54° | — | — |
| 1971 | 68° | 33° | 51° | — | — |
54 years of data from ALHAMBRA