As of 00:06 MDT

Grayling, MT weather in December

39°

Grayling, Wednesday, 7 October, 00:06

Overcast. Feels like 39°. High 71°, low 28°.

Pressure30.12 inHg

Wind0 mph N

Humidity65%

Visibility6.2 mi

Dew point28°

See detailed hourly forecast

In December, Grayling, MT averages a high of 22.9° and a low of 9.9°. About 2.5 inches of precipitation fall over the month (14 wet days). The record high is 44.8° (2025) and the record low -30.8° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	26.6°	13.5°	55%	40.5° (1995)	-5.6° (2014)
2	27.3°	14.4°	53%	39.6° (2021)	-7.2° (2009)
3	27°	12.7°	48%	40.1° (1987)	-15.3° (2009)
4	26.2°	13.1°	40%	44.2° (1987)	-15.2° (2013)
5	25.3°	12.2°	42%	39.7° (1987)	-24.3° (1972)
6	24.3°	10.8°	43%	40.1° (1987)	-21.1° (2013)
7	24.4°	11.3°	48%	37.2° (1981)	-21.3° (2009)
8	23.4°	10.8°	40%	39° (1981)	-18.9° (1978)
9	22.8°	9.1°	37%	41.4° (1981)	-18.9° (2009)
10	24.1°	10.4°	40%	40.3° (1965)	-21.6° (2009)
11	23.5°	11.1°	38%	41.7° (2025)	-17.7° (1972)
12	24.3°	10.9°	50%	43.2° (2014)	-19.5° (1961)
13	23.9°	11.1°	43%	39.9° (1980)	-9.6° (1972)
14	23.4°	10.8°	35%	44.2° (2025)	-19.8° (1967)
15	23.2°	10.4°	45%	40.6° (2025)	-16.4° (1972)
16	22.6°	9.9°	40%	39.6° (2025)	-17.3° (1964)
17	22.1°	9.3°	42%	37.2° (2025)	-26.9° (1964)
18	21.7°	8.1°	37%	34° (1962)	-20.2° (2016)
19	21.9°	8.6°	42%	36° (2023)	-15.2° (1998)
20	21.4°	8.6°	38%	37.4° (2023)	-22.7° (1990)
21	21.7°	9.1°	48%	37.9° (2024)	-26.5° (1990)
22	21.4°	8.6°	47%	37° (2023)	-28.5° (1990)
23	20.8°	7.9°	50%	42.6° (2025)	-26.3° (1983)
24	21.4°	8.6°	43%	44.8° (2025)	-30.8° (1983)
25	22.5°	9.1°	37%	39.7° (2025)	-14.8° (1990)
26	21.7°	9.1°	35%	36.5° (1980)	-8.5° (1962)
27	21.4°	8.6°	47%	40.3° (1980)	-12.6° (1988)
28	21.2°	7.3°	47%	36° (1980)	-19.1° (2025)
29	20.1°	7.2°	52%	34° (1980)	-22.7° (1990)
30	19.8°	7.7°	52%	35.6° (2011)	-21.1° (1990)
31	19.2°	7°	40%	44.1° (1980)	-21.8° (1978)