As of 13:55 CDT

Mountain Home, AR weather in December

95°

Mountain Home, Sunday, 9 August, 13:55

Clear. Feels like 107°. High 95°, low 71°.

Pressure29.94 inHg

Wind2 mph S

Humidity51%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In December, Mountain Home, AR averages a high of 48.2° and a low of 33.6°. About 2.9 inches of precipitation fall over the month (8 wet days). The record high is 80.2° (2025) and the record low -8.1° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	52.3°	36.7°	18%	70.7° (1970)	21.9° (1964)
2	52.7°	37°	17%	76.1° (2021)	15.1° (1985)
3	52.3°	37.6°	27%	74.5° (2021)	20.8° (1985)
4	50.5°	36.7°	20%	70.3° (2001)	24.3° (2006)
5	50.7°	35.6°	28%	74.8° (1998)	19.4° (2002)
6	48.9°	35.6°	25%	68.4° (1998)	16.7° (2002)
7	48.2°	34.3°	22%	69.6° (1966)	9.1° (2013)
8	48.2°	34.5°	28%	69.1° (1991)	18.7° (2013)
9	49.5°	34.5°	27%	66.7° (2020)	13.5° (1995)
10	48.7°	34°	22%	70.3° (2020)	14.4° (1995)
11	49.1°	33.4°	28%	69.4° (2017)	13.3° (2013)
12	48.6°	34.7°	22%	69.3° (2015)	9° (1962)
13	48.6°	34.9°	38%	65.7° (1975)	14.2° (1962)
14	48.7°	34.7°	35%	65.7° (1995)	11.8° (1985)
15	48.7°	34.2°	35%	72.7° (2021)	11.5° (1989)
16	47.5°	33.3°	22%	69.1° (2024)	7.5° (1989)
17	47.8°	32.7°	18%	67.3° (2006)	1.6° (2000)
18	48.2°	32.9°	18%	63.5° (1962)	11.7° (1964)
19	48°	32.7°	18%	69.6° (1978)	5° (2000)
20	47.5°	32.9°	28%	64.6° (1988)	3.6° (2000)
21	46.9°	32.5°	25%	65.3° (2015)	5.4° (1989)
22	47.5°	31.3°	23%	64° (1970)	-3.6° (1989)
23	46.6°	32.2°	28%	75.4° (2025)	-2.6° (1989)
24	44.6°	31.1°	30%	75.9° (2025)	-5.4° (1983)
25	43.7°	29.3°	20%	76.8° (2025)	-8.1° (1983)
26	46.4°	30.9°	22%	77.7° (2025)	5° (1983)
27	47.7°	33.1°	30%	80.2° (2025)	15.6° (1983)
28	47.3°	31.8°	27%	77.4° (2025)	14.5° (1983)
29	46.2°	32.7°	23%	68.4° (1984)	-1.8° (1983)
30	46.9°	32.2°	28%	67.6° (2021)	-3.3° (1983)
31	45.3°	31.5°	30%	71.6° (2021)	3.4° (2000)