As of 18:14 MST

San Manuel, AZ weather in December

90°

San Manuel, Sunday, 9 August, 18:14

Overcast. Feels like 87°. High 101°, low 78°.

Pressure29.77 inHg

Wind22.7 mph NE

Humidity26%

Visibility6.2 mi

Dew point53°

See detailed hourly forecast

In December, San Manuel, AZ averages a high of 59° and a low of 37.3°. About 2.1 inches of precipitation fall over the month (6 wet days). The record high is 80.4° (2025) and the record low -11.2° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.4°	39°	12%	75.9° (1973)	23.7° (1975)
2	62.2°	39.9°	13%	77° (2017)	21° (1991)
3	62.2°	39.4°	12%	74.8° (2017)	16.9° (1991)
4	62.4°	39.6°	22%	74.5° (1987)	18.3° (1991)
5	61.7°	39.7°	20%	74.3° (2012)	26.4° (2005)
6	62.1°	39.4°	12%	77° (2010)	23.7° (2011)
7	61.7°	39.2°	13%	75.9° (1970)	22.5° (2011)
8	59.7°	38.8°	22%	74.3° (1970)	20.3° (1978)
9	60.1°	37.9°	12%	74.5° (1996)	16.3° (1978)
10	60.3°	37.8°	17%	73.2° (1981)	19.9° (1971)
11	60.3°	38.1°	10%	73.2° (1977)	24.3° (1998)
12	59.7°	38.3°	22%	72.7° (2023)	20.7° (1971)
13	59.4°	36.7°	22%	73.4° (2025)	22.3° (1985)
14	57.9°	37°	17%	73.9° (2025)	15.6° (1985)
15	58.1°	35.4°	8%	76.5° (2016)	21.6° (1975)
16	59.2°	35.8°	12%	72.9° (2024)	22.6° (1967)
17	59°	35.8°	17%	73.9° (1980)	20.8° (1971)
18	58.5°	37.6°	23%	73° (1980)	22.3° (1967)
19	58.8°	37.6°	22%	77.5° (2025)	20.7° (1965)
20	58.8°	36.9°	17%	77.4° (2025)	23.2° (2012)
21	58.1°	37°	18%	75.7° (2025)	19.9° (1967)
22	57.9°	37.8°	23%	79.7° (2025)	5.9° (1967)
23	55.9°	36.3°	23%	80.4° (2025)	-11.2° (1990)
24	56.7°	34.7°	17%	73.4° (2024)	-0.8° (1990)
25	57°	35.4°	18%	73.8° (2005)	13.1° (1990)
26	56.7°	35.1°	18%	76.3° (1980)	15.3° (1987)
27	55.8°	35.8°	22%	78.3° (1980)	13.1° (1990)
28	55.9°	36.5°	20%	76.5° (1980)	14.2° (1987)
29	55.6°	36°	28%	73.8° (2017)	16.9° (1987)
30	56.5°	36.1°	22%	75° (2017)	25° (1966)
31	57.2°	35.6°	20%	71.6° (2011)	23.5° (1969)