Phoenix · United States

Phoenix in December: every year compared

In December, Phoenix averages highs of 18.6 °C and lows of 6.2 °C, with 28 mm of precipitation. The warmest December was 2025 (14.9 °C), the coldest 1947 (7.5 °C).

Avg. highAvg. high 18.6 °C

Avg. lowAvg. low 6.2 °C

PrecipitationPrecipitation 28 mm

Rainy daysRainy days 4

Day by day through December

Normal high and low for each day of December in Phoenix.

Normal high and low, day by dayNormal 1991–2020

Every December in Phoenix, ranked

86 months of December since 1940. The last one, 2025, ranks 1 of 86 (+2.9 °C vs normal).

194019832025

2025 · 14.9 °C · +2.9 °C vs normal · rank 1 of 86

Warmest years

1202514.9 °C
2202414.6 °C
3202114.2 °C
4201014.1 °C
5201713.9 °C

Coldest years

119477.5 °C
219678.7 °C
319789.2 °C
419749.2 °C
519689.3 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Frost days	Snowfall	Rainy days
2025	14.9 °C	22.5 °C	8.9 °C	7 mm	0 days	0 cm	3 days
2024	14.6 °C	22.8 °C	7.3 °C	0 mm	0 days	0 cm	0 days
2023	13.8 °C	20.8 °C	8.0 °C	27 mm	0 days	0 cm	3 days
2022	11.9 °C	17.7 °C	7.1 °C	52 mm	0 days	0 cm	5 days
2021	14.2 °C	20.2 °C	9.1 °C	39 mm	0 days	0 cm	7 days
2020	12.2 °C	19.7 °C	5.6 °C	8 mm	0 days	0 cm	1 day
2019	12.0 °C	17.6 °C	7.6 °C	52 mm	0 days	0 cm	7 days
2018	11.9 °C	18.4 °C	6.4 °C	20 mm	0 days	0 cm	3 days
2017	13.9 °C	21.7 °C	7.1 °C	2 mm	0 days	0 cm	1 day
2016	13.3 °C	19.6 °C	7.9 °C	46 mm	0 days	0 cm	6 days
2015	11.1 °C	17.9 °C	5.1 °C	4 mm	1 day	0 cm	1 day
2014	12.9 °C	18.4 °C	8.0 °C	36 mm	1 day	0 cm	5 days
2013	11.5 °C	18.8 °C	5.9 °C	22 mm	0 days	0 cm	2 days
2012	12.4 °C	18.7 °C	6.8 °C	30 mm	0 days	0 cm	5 days
2011	10.9 °C	16.9 °C	5.7 °C	34 mm	0 days	0 cm	5 days
2010	14.1 °C	20.9 °C	8.1 °C	39 mm	0 days	0 cm	5 days
2009	11.2 °C	17.2 °C	5.7 °C	34 mm	0 days	0 cm	4 days
2008	11.9 °C	17.9 °C	7.0 °C	60 mm	0 days	0 cm	7 days
2007	10.7 °C	16.8 °C	5.6 °C	42 mm	0 days	0 cm	6 days
2006	11.5 °C	18.5 °C	5.2 °C	4 mm	0 days	0 cm	2 days
2005	12.6 °C	20.2 °C	5.6 °C	0 mm	1 day	0 cm	0 days
2004	12.2 °C	18.8 °C	6.6 °C	60 mm	1 day	0 cm	5 days
2003	12.2 °C	19.5 °C	5.8 °C	10 mm	2 days	0 cm	2 days
2002	11.1 °C	17.5 °C	5.9 °C	10 mm	0 days	0 cm	4 days
2001	10.5 °C	17.1 °C	4.7 °C	11 mm	0 days	0 cm	3 days
2000	12.3 °C	19.9 °C	6.0 °C	0 mm	0 days	0 cm	0 days
1999	11.9 °C	19.6 °C	5.0 °C	0 mm	0 days	0 cm	0 days
1998	11.6 °C	18.5 °C	5.5 °C	8 mm	1 day	0 cm	2 days
1997	10.3 °C	16.5 °C	5.0 °C	56 mm	0 days	0 cm	8 days
1996	13.3 °C	20.5 °C	7.0 °C	2 mm	0 days	0 cm	0 days
1995	13.5 °C	20.4 °C	7.1 °C	1 mm	0 days	0 cm	0 days
1994	12.3 °C	18.2 °C	7.2 °C	68 mm	0 days	0 cm	6 days
1993	11.0 °C	18.4 °C	4.9 °C	5 mm	1 day	0 cm	2 days
1992	10.4 °C	16.0 °C	5.5 °C	98 mm	0 days	0 cm	7 days
1991	12.3 °C	17.9 °C	7.7 °C	76 mm	0 days	0 cm	8 days
1990	9.9 °C	17.1 °C	3.6 °C	13 mm	6 days	0 cm	4 days
1989	11.7 °C	19.5 °C	4.9 °C	14 mm	0 days	0 cm	2 days
1988	11.9 °C	19.1 °C	5.8 °C	8 mm	5 days	0 cm	1 day
1987	10.0 °C	15.9 °C	4.8 °C	32 mm	3 days	0 cm	4 days
1986	11.1 °C	17.5 °C	5.8 °C	40 mm	0 days	0 cm	6 days
1985	11.1 °C	18.1 °C	5.4 °C	18 mm	1 day	1 cm	1 day
1984	11.0 °C	16.2 °C	6.7 °C	120 mm	0 days	0 cm	12 days
1983	12.2 °C	18.1 °C	7.1 °C	38 mm	0 days	0 cm	6 days
1982	10.6 °C	16.2 °C	5.8 °C	67 mm	0 days	0 cm	8 days
1981	12.3 °C	19.7 °C	6.1 °C	0 mm	0 days	0 cm	0 days
1980	13.8 °C	21.7 °C	7.7 °C	35 mm	0 days	0 cm	6 days
1979	12.6 °C	20.1 °C	6.4 °C	13 mm	0 days	0 cm	3 days
1978	9.2 °C	15.3 °C	4.0 °C	96 mm	3 days	0 cm	6 days
1977	13.8 °C	20.7 °C	8.0 °C	21 mm	0 days	0 cm	5 days
1976	11.8 °C	19.9 °C	4.7 °C	24 mm	0 days	0 cm	2 days
1975	11.5 °C	19.3 °C	5.2 °C	21 mm	0 days	0 cm	4 days
1974	9.2 °C	16.6 °C	2.7 °C	13 mm	4 days	0 cm	4 days
1973	11.7 °C	20.2 °C	4.3 °C	0 mm	2 days	0 cm	0 days
1972	10.1 °C	17.1 °C	4.0 °C	39 mm	4 days	0 cm	5 days
1971	9.5 °C	15.3 °C	4.5 °C	27 mm	5 days	0 cm	7 days
1970	10.8 °C	18.1 °C	4.6 °C	20 mm	0 days	0 cm	5 days
1969	12.4 °C	19.7 °C	6.0 °C	15 mm	1 day	0 cm	5 days
1968	9.3 °C	17.5 °C	2.6 °C	22 mm	5 days	0 cm	3 days
1967	8.7 °C	15.0 °C	3.2 °C	99 mm	3 days	0 cm	10 days
1966	11.2 °C	19.0 °C	4.5 °C	16 mm	5 days	0 cm	3 days
1965	10.8 °C	16.8 °C	6.0 °C	187 mm	1 day	0 cm	13 days
1964	11.8 °C	18.6 °C	5.7 °C	14 mm	1 day	0 cm	2 days
1963	11.1 °C	20.3 °C	3.5 °C	0 mm	2 days	0 cm	0 days
1962	12.5 °C	20.4 °C	6.1 °C	32 mm	0 days	0 cm	2 days
1961	10.7 °C	17.3 °C	5.0 °C	43 mm	1 day	0 cm	6 days
1960	10.4 °C	18.1 °C	3.8 °C	9 mm	2 days	0 cm	2 days
1959	11.4 °C	17.6 °C	6.4 °C	90 mm	0 days	0 cm	9 days
1958	12.9 °C	22.0 °C	5.2 °C	0 mm	0 days	0 cm	0 days
1957	12.6 °C	20.6 °C	5.6 °C	2 mm	0 days	0 cm	1 day
1956	11.3 °C	19.4 °C	4.3 °C	4 mm	1 day	0 cm	1 day
1955	13.0 °C	20.8 °C	6.3 °C	2 mm	0 days	0 cm	1 day
1954	11.6 °C	19.3 °C	5.0 °C	5 mm	4 days	0 cm	2 days
1953	9.3 °C	17.4 °C	2.6 °C	2 mm	7 days	0 cm	1 day
1952	10.0 °C	17.0 °C	4.6 °C	37 mm	1 day	0 cm	4 days
1951	10.3 °C	16.4 °C	5.2 °C	38 mm	1 day	0 cm	6 days
1950	13.7 °C	23.1 °C	6.3 °C	0 mm	0 days	0 cm	0 days
1949	10.3 °C	18.0 °C	4.2 °C	23 mm	7 days	0 cm	5 days
1948	10.5 °C	17.2 °C	4.7 °C	41 mm	1 day	0 cm	4 days
1947	7.5 °C	14.6 °C	1.9 °C	19 mm	8 days	0 cm	4 days
1946	11.5 °C	19.0 °C	5.2 °C	30 mm	0 days	0 cm	4 days
1945	9.8 °C	17.0 °C	3.1 °C	26 mm	5 days	0 cm	2 days
1944	10.7 °C	18.7 °C	3.7 °C	16 mm	1 day	0 cm	3 days
1943	10.9 °C	18.0 °C	5.2 °C	29 mm	0 days	0 cm	6 days
1942	12.3 °C	20.2 °C	5.1 °C	3 mm	0 days	0 cm	1 day
1941	10.4 °C	16.8 °C	5.1 °C	42 mm	3 days	2 cm	8 days
1940	11.4 °C	18.2 °C	5.8 °C	84 mm	0 days	0 cm	7 days

December records

Hottest day

29.6 °C

December 10, 1950 estimate

Nearby station: 31.1 °C on December 10, 1950 measured

Coldest night

-5.8 °C

December 22, 1968 estimate

Nearby station: -5.6 °C on December 5, 1948 measured

Wettest day

42 mm

December 29, 2004 estimate

The weather on your birthday in Phoenix

Any day since 1940: high, low, rain, snow, and how warm it was compared with the same date in every other year.

Questions & answers

How warm is Phoenix in December?

Highs average 18.6 °C and lows 6.2 °C. A typical December brings 0 hot days (30 °C or more) and 0 frost days.

Does it rain a lot in Phoenix in December?

About 28 mm falls in December, over some 4 days with at least 1 mm. The wettest December was 1965 (187 mm), the driest 1950 (0 mm).

What was the warmest December in Phoenix?

2025, with a mean temperature of 14.9 °C. The coldest was 1947 (7.5 °C). The last one, 2025, ranks 1 of 86.