As of 08:47 MDT

Harlowton, MT weather in December

65°

Harlowton, Sunday, 9 August, 08:47

Clear. Feels like 63°. High 88°, low 57°.

Pressure29.88 inHg

Wind10.5 mph W

Humidity30%

Visibility6.2 mi

Dew point33°

See detailed hourly forecast

In December, Harlowton, MT averages a high of 31.4° and a low of 15°. About 0.9 inches of precipitation fall over the month (6 wet days). The record high is 62.1° (2021) and the record low -37.8° (2022). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	34.9°	18.7°	22%	62.1° (2021)	-26° (1985)
2	34.7°	18°	27%	60.1° (2021)	-22.9° (1985)
3	35.1°	17.6°	17%	53.4° (2024)	-11.7° (1978)
4	34.5°	18°	15%	54.3° (1979)	-24.3° (1972)
5	32.4°	15.8°	23%	56.3° (2023)	-28.5° (2013)
6	32°	14.9°	17%	52.2° (1987)	-37.5° (1972)
7	31.8°	15.4°	15%	57° (2024)	-28.1° (2013)
8	31.6°	14.9°	8%	53.2° (2020)	-35° (1972)
9	32.7°	16.5°	12%	54.9° (1990)	-23.4° (2009)
10	34.2°	17.6°	18%	55.9° (2025)	-30.5° (1961)
11	34°	17.4°	8%	56.3° (2025)	-30.6° (1961)
12	32.7°	18.1°	18%	52.7° (2017)	-20.6° (2000)
13	32°	15.8°	22%	48.7° (1960)	-13.5° (1963)
14	32.4°	16.2°	13%	45.9° (1969)	-17.7° (2008)
15	32.2°	15.6°	25%	52.9° (2025)	-19.3° (2008)
16	32°	15.6°	18%	57.4° (1980)	-34.4° (1964)
17	32.2°	16.2°	10%	55° (1980)	-29.9° (2016)
18	31.1°	13.8°	10%	51.4° (2024)	-21.6° (1989)
19	29.5°	13.6°	25%	49.8° (2004)	-14.1° (1990)
20	30°	12.9°	20%	53.6° (2024)	-21.1° (2008)
21	29.5°	13.3°	20%	53.2° (2024)	-27.4° (2022)
22	29.1°	13.1°	30%	48.2° (2023)	-37.8° (2022)
23	28.8°	12.4°	23%	46.8° (2024)	-28.8° (1983)
24	30.2°	13.1°	22%	49.1° (2025)	-33.3° (1983)
25	31.1°	14.9°	18%	53.2° (2025)	-18° (1983)
26	30.4°	14.4°	18%	53.4° (1980)	-18.8° (2017)
27	30.6°	14.2°	15%	58.3° (1980)	-9.2° (2017)
28	29.3°	12.6°	15%	47.8° (2011)	-19.7° (1990)
29	27.7°	10.8°	25%	49.1° (1980)	-27° (1990)
30	27°	10.9°	22%	48.4° (1980)	-32.8° (1990)
31	26.8°	11.8°	20%	52.2° (2025)	-27.9° (1978)