Weather on December 15
Gilbert, AZ
55 Years of Data
Avg High
67°F
Avg Low
38°F
Warmest
2025
65°F avg
Coldest
1971
39°F avg
About This Date
December 15th in Gilbert, AZ typically brings mild winter weather, with average highs around 67°F and lows near 38°F — a 29°F daily swing. Over 54 years of records, the warmest December 15th was in 2025 (65°F average), while the coldest was 1971 (39°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 15th 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 15th in Gilbert, AZ? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 83° | 48° | 65° | — | — |
| 2024 | 73° | 37° | 55° | — | — |
| 2023 | 79° | 35° | 57° | — | — |
| 2022 | 58° | 32° | 45° | — | — |
| 2021 | 73° | — | — | 0.2" | — |
| 2020 | 63° | 33° | 48° | — | — |
| 2019 | 66° | 45° | 55° | — | — |
| 2018 | 73° | 48° | 61° | — | — |
| 2017 | 75° | 43° | 59° | — | — |
| 2016 | 78° | — | — | — | — |
| 2015 | 55° | 29° | 42° | — | — |
| 2014 | 65° | 42° | 53° | — | — |
| 2013 | 71° | 39° | 55° | — | — |
| 2012 | 61° | 47° | 54° | 0.33" | — |
| 2011 | 62° | 33° | 48° | — | — |
| 2010 | 74° | 39° | 56° | — | — |
| 2009 | 71° | 35° | 53° | — | — |
| 2008 | 53° | 40° | 46° | 0.05" | — |
| 2007 | 61° | 34° | 47° | — | — |
| 2006 | 75° | 38° | 56° | — | — |
| 2005 | 65° | 43° | 54° | — | — |
| 2004 | 72° | 46° | 59° | — | — |
| 2003 | 65° | 44° | 54° | — | — |
| 2002 | 72° | 49° | 60° | — | — |
| 2001 | 52° | 38° | 45° | 0.03" | — |
| 2000 | 67° | 41° | 54° | — | — |
| 1999 | 70° | 39° | 54° | — | — |
| 1997 | 72° | 39° | 55° | — | — |
| 1996 | 80° | 46° | 63° | — | — |
| 1995 | 70° | 42° | 56° | — | — |
| 1994 | 65° | 37° | 51° | — | — |
| 1993 | 58° | 33° | 45° | 0.13" | — |
| 1992 | 57° | 33° | 45° | — | — |
| 1991 | 74° | 44° | 59° | — | — |
| 1990 | 63° | 46° | 54° | 0.15" | — |
| 1989 | 63° | 35° | 49° | — | — |
| 1988 | 76° | 47° | 61° | — | — |
| 1987 | 56° | 30° | 43° | — | — |
| 1986 | 73° | 44° | 59° | — | — |
| 1985 | 64° | 33° | 49° | — | — |
| 1984 | 55° | 34° | 44° | 0.05" | — |
| 1983 | 69° | 41° | 55° | — | — |
| 1982 | 65° | 37° | 51° | — | — |
| 1981 | 72° | 40° | 56° | — | — |
| 1980 | 75° | 45° | 60° | — | — |
| 1979 | 74° | 45° | 59° | — | — |
| 1978 | 70° | 41° | 55° | — | — |
| 1977 | 70° | 36° | 53° | — | — |
| 1976 | 71° | 31° | 51° | — | — |
| 1975 | 70° | 28° | 49° | — | — |
| 1974 | 64° | 25° | 44° | — | — |
| 1973 | 71° | 35° | 53° | — | — |
| 1972 | 54° | 27° | 40° | — | — |
| 1971coldest | 51° | 27° | 39° | — | — |
54 years of data from CHANDLER