Weather on December 31
Surprise, AZ
55 Years of Data
Avg High
64°F
Avg Low
40°F
Warmest
1981
60°F avg
Coldest
2010
38°F avg
About This Date
December 31st in Surprise, AZ typically brings mild winter weather, with average highs around 64°F and lows near 40°F. Over 55 years of records, the warmest December 31st was in 1981 (60°F average), while the coldest was 2010 (38°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 31st dates historically, with the wettest December 31st recording 1.4" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Surprise, AZ? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 54° | 59° | — | — |
| 2024 | 68° | 38° | 53° | — | — |
| 2023 | 60° | 40° | 50° | — | — |
| 2022 | 63° | 47° | 55° | — | — |
| 2021 | 58° | 49° | 53° | 0.15" | — |
| 2020 | 57° | 34° | 45° | — | — |
| 2019 | 59° | 40° | 49° | — | — |
| 2018 | — | 29° | — | — | — |
| 2017 | 67° | 41° | 54° | — | — |
| 2016 | 69° | 51° | 60° | 0.74" | — |
| 2015 | 60° | 30° | 45° | — | — |
| 2014 | 58° | 41° | 49° | 0.38" | — |
| 2013 | 66° | 37° | 52° | — | — |
| 2012 | 60° | 36° | 48° | — | — |
| 2011 | 72° | 42° | 57° | — | — |
| 2010coldest | 49° | 27° | 38° | — | — |
| 2009 | 64° | 49° | 56° | — | — |
| 2008 | 70° | 40° | 55° | — | — |
| 2007 | 62° | 34° | 48° | — | — |
| 2006 | 60° | 35° | 48° | — | — |
| 2005 | 66° | 44° | 55° | — | — |
| 2004 | 64° | 47° | 55° | — | — |
| 2003 | 63° | 41° | 52° | — | — |
| 2002 | 66° | 37° | 52° | — | — |
| 2001 | 65° | 47° | 56° | 0.03" | — |
| 2000 | 69° | 37° | 53° | — | — |
| 1999 | 72° | 39° | 55° | — | — |
| 1998 | 73° | 43° | 58° | — | — |
| 1997 | 76° | 44° | 60° | — | — |
| 1996 | 64° | 54° | 59° | 0.05" | — |
| 1995 | 65° | 38° | 51° | — | — |
| 1994 | 62° | 38° | 50° | — | — |
| 1993 | 73° | 45° | 59° | — | — |
| 1992 | 71° | 41° | 56° | — | — |
| 1991 | 63° | 39° | 51° | 0.05" | — |
| 1990 | 68° | 36° | 52° | — | — |
| 1989 | 67° | 40° | 53° | — | — |
| 1988 | 60° | 28° | 44° | — | — |
| 1987 | 59° | 33° | 46° | — | — |
| 1986 | 69° | 39° | 54° | — | — |
| 1985 | 66° | 46° | 56° | — | — |
| 1984 | 64° | 40° | 52° | — | — |
| 1983 | 66° | 42° | 54° | — | — |
| 1982 | 60° | 42° | 51° | — | — |
| 1981warmest | 69° | 52° | 60° | — | — |
| 1980 | 77° | 41° | 59° | — | — |
| 1979 | 66° | 36° | 51° | — | — |
| 1978 | 58° | 41° | 49° | — | — |
| 1977 | 67° | 43° | 55° | — | — |
| 1976 | 55° | 40° | 47° | 1.4" | — |
| 1975 | 58° | 34° | 46° | — | — |
| 1974 | 59° | 35° | 47° | — | — |
| 1973 | 66° | 46° | 56° | — | — |
| 1972 | 56° | 30° | 43° | — | — |
| 1971 | 64° | 39° | 52° | — | — |
55 years of data from YOUNGTOWN