As of 06:15 MDT

Kirby, MT weather in December

44°

Kirby, Thursday, 8 October, 06:15

Clear. Feels like 40°. High 79°, low 44°.

Pressure30.00 inHg

Wind6.7 mph S

Humidity58%

Visibility6.2 mi

Dew point30°

See detailed hourly forecast

In December, Kirby, MT averages a high of 33.8° and a low of 16.7°. About 1.1 inches of precipitation fall over the month (7 wet days). The record high is 68.9° (2021) and the record low -34.4° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	38.1°	20.7°	25%	68.7° (2021)	-20.2° (1985)
2	37.9°	20.8°	33%	68.9° (2021)	-25.4° (1985)
3	37.6°	20.1°	17%	54.1° (1987)	-3.5° (1978)
4	37.4°	20.1°	17%	59.9° (1965)	-9.9° (1972)
5	34.7°	18.5°	25%	62.4° (2023)	-22° (1972)
6	35.2°	17.6°	22%	63.7° (2023)	-24° (2013)
7	34.7°	18°	28%	62.1° (2024)	-29.6° (2013)
8	34.2°	16.7°	22%	61.7° (2020)	-24.2° (1977)
9	35.2°	17.1°	18%	61.5° (2020)	-26° (1977)
10	36.5°	18.9°	22%	58.3° (1981)	-15.2° (1972)
11	36.1°	18.5°	20%	57.6° (2004)	-20.9° (1961)
12	35.8°	19.2°	23%	58.8° (2017)	-12.1° (2000)
13	34.2°	17.8°	20%	52.5° (1998)	-6.9° (1961)
14	35.4°	17.8°	25%	63.1° (2025)	-18.8° (2008)
15	34.9°	17.8°	32%	60.6° (2025)	-21.1° (2008)
16	33.8°	15.8°	22%	63.9° (1980)	-30.6° (1964)
17	34.2°	17.2°	18%	58.6° (2025)	-32.4° (1964)
18	33.3°	15.6°	17%	56.3° (2023)	-20.4° (1983)
19	32.4°	14.7°	23%	57.6° (2025)	-15.7° (1989)
20	32.4°	14.9°	20%	57.2° (2024)	-19.3° (1990)
21	32.5°	15.3°	27%	60.3° (2024)	-25.1° (2022)
22	31.1°	16.5°	32%	56.1° (2023)	-30.8° (1989)
23	30.9°	13.8°	28%	52.7° (2021)	-25.8° (1983)
24	31.8°	16°	23%	56.8° (2025)	-34.4° (1983)
25	32.9°	15.8°	20%	57° (2025)	-25.4° (1983)
26	32.7°	16.3°	18%	57.6° (1980)	-19.1° (1996)
27	33.1°	15.4°	25%	61.9° (1980)	-9.8° (1971)
28	31.8°	14.4°	22%	54° (2011)	-16.2° (1990)
29	28.9°	12.6°	27%	53.6° (1965)	-27.6° (1990)
30	28.8°	11.5°	37%	52.2° (1980)	-31° (1990)
31	28.4°	12.4°	30%	55.2° (2025)	-19.5° (1978)