As of 23:07 MST

Williamson, AZ weather in December

68°

Williamson, Tuesday, 6 October, 23:07

Clear. Feels like 66°. High 83°, low 59°.

Pressure29.88 inHg

Wind1.3 mph SW

Humidity45%

Visibility6.2 mi

Dew point46°

See detailed hourly forecast

In December, Williamson, AZ averages a high of 49.8° and a low of 29.4°. About 1.2 inches of precipitation fall over the month (5 wet days). The record high is 70.5° (2010) and the record low -8.9° (1978). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	53.1°	30.9°	12%	66.9° (2017)	9° (1991)
2	53.2°	31.3°	8%	66.7° (2021)	1.6° (1991)
3	53.4°	31.5°	5%	66.4° (1977)	10.9° (1991)
4	53.8°	31.8°	18%	68.4° (1979)	18° (2011)
5	53.1°	32°	15%	70° (1989)	13.6° (2011)
6	52.7°	31.1°	15%	65.7° (1977)	13.1° (2011)
7	51.6°	32°	13%	64.9° (2015)	-8.9° (1978)
8	51.1°	30.7°	20%	66.6° (2015)	-7.2° (1978)
9	51.1°	29.8°	10%	66.6° (2015)	7.7° (1978)
10	51.1°	29.7°	17%	64.4° (2015)	10° (2009)
11	51.4°	30.6°	13%	64.9° (2025)	14.2° (1972)
12	51.1°	29.8°	15%	65.5° (2010)	9.1° (1972)
13	50.4°	29.3°	15%	70.5° (2010)	13.5° (2022)
14	49.1°	28.8°	15%	65.5° (2010)	8.1° (1971)
15	49.3°	27.9°	10%	64.6° (1969)	10.2° (1984)
16	49.6°	27.7°	13%	65.3° (1980)	-0.6° (1971)
17	49.6°	28.8°	17%	65.7° (1980)	2.1° (1971)
18	49.5°	28.8°	20%	65.7° (2023)	7.9° (1967)
19	49.5°	29.3°	15%	66.2° (2025)	3° (1965)
20	49.5°	29.1°	17%	64.6° (2018)	9.7° (1965)
21	48.4°	28.6°	15%	66.4° (2025)	7.7° (1968)
22	47.1°	28.9°	20%	67.1° (2025)	3° (1990)
23	47.3°	28.8°	18%	65.8° (2025)	-1.7° (1990)
24	48.4°	27.1°	10%	62.2° (2005)	-0.4° (1965)
25	48°	27.9°	13%	64.6° (1980)	8.8° (1987)
26	47.7°	28.4°	18%	67.6° (1980)	11.5° (1997)
27	46.9°	28.6°	10%	67.6° (1980)	13.1° (1968)
28	46.6°	28.2°	23%	67.5° (1980)	16.3° (1968)
29	46.8°	28°	23%	66.4° (2017)	6.1° (2019)
30	47.5°	27.7°	12%	67.6° (2017)	12.2° (1968)
31	46.8°	27.9°	12%	63.1° (1980)	5.7° (2010)