Weather on December 21
Surprise, AZ
55 Years of Data
Avg High
65°F
Avg Low
41°F
Warmest
2003
61°F avg
Coldest
1990
39°F avg
About This Date
December 21st in Surprise, AZ typically brings mild winter weather, with average highs around 65°F and lows near 41°F. Over 54 years of records, the warmest December 21st was in 2003 (61°F average), while the coldest was 1990 (39°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 21st dates historically, with the wettest December 21st recording 1.07" of rain. 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 21st in Surprise, AZ? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 46° | 59° | — | — |
| 2023 | 74° | 46° | 60° | — | — |
| 2022 | 59° | 36° | 47° | — | — |
| 2021 | 63° | 45° | 54° | — | — |
| 2020 | 72° | 38° | 55° | — | — |
| 2019 | 68° | 37° | 53° | — | — |
| 2018 | 65° | 44° | 54° | — | — |
| 2017 | 65° | 46° | 55° | — | — |
| 2016 | — | 59° | — | 0.13" | — |
| 2015 | 61° | 38° | 49° | — | — |
| 2014 | 63° | 42° | 52° | — | — |
| 2013 | 58° | 44° | 51° | — | — |
| 2012 | 69° | 37° | 53° | — | — |
| 2011 | 61° | 41° | 51° | — | — |
| 2010 | 69° | 54° | 61° | — | — |
| 2009 | 68° | 45° | 56° | — | — |
| 2008 | 60° | 36° | 48° | — | — |
| 2007 | 62° | 47° | 54° | 0.05" | — |
| 2006 | 55° | 32° | 44° | — | — |
| 2005 | 72° | 43° | 57° | — | — |
| 2004 | 67° | 43° | 55° | — | — |
| 2003warmest | 73° | 48° | 61° | — | — |
| 2002 | 56° | 35° | 45° | 0.1" | — |
| 2001 | 70° | 41° | 55° | — | — |
| 2000 | 69° | 37° | 53° | — | — |
| 1999 | 66° | 37° | 52° | — | — |
| 1998 | 65° | 42° | 53° | — | — |
| 1997 | 66° | 43° | 54° | 0.25" | — |
| 1996 | 69° | 38° | 53° | — | — |
| 1995 | 63° | 35° | 49° | — | — |
| 1994 | 75° | 39° | 57° | — | — |
| 1993 | 62° | 44° | 53° | — | — |
| 1992 | 62° | 33° | 48° | — | — |
| 1991 | 60° | 49° | 54° | 0.05" | — |
| 1990coldest | 47° | 31° | 39° | — | — |
| 1989 | 64° | 37° | 51° | — | — |
| 1988 | 61° | 39° | 50° | — | — |
| 1987 | 63° | 37° | 50° | — | — |
| 1986 | 67° | 40° | 53° | — | — |
| 1985 | 73° | 39° | 56° | — | — |
| 1984 | 59° | 35° | 47° | — | — |
| 1983 | 62° | 41° | 52° | — | — |
| 1982 | 68° | 38° | 53° | — | — |
| 1981 | 70° | 40° | 55° | — | — |
| 1980 | 70° | 38° | 54° | — | — |
| 1979 | 69° | 45° | 57° | 0.03" | — |
| 1978 | 60° | 34° | 47° | — | — |
| 1977 | 68° | 44° | 56° | — | — |
| 1976 | 67° | 44° | 55° | — | — |
| 1975 | 58° | 50° | 54° | 1.07" | — |
| 1974 | 65° | 36° | 50° | — | — |
| 1973 | 66° | 29° | 47° | — | — |
| 1972 | 74° | 41° | 57° | — | — |
| 1971 | 67° | 35° | 51° | — | — |
54 years of data from YOUNGTOWN