As of 18:56 MDT

Summit, MT weather in January

63°

Summit, Tuesday, 6 October, 18:56

Clear. Feels like 61°. High 66°, low 33°.

Pressure30.00 inHg

Wind2.1 mph SW

Humidity33%

Visibility6.2 mi

Dew point34°

See detailed hourly forecast

In January, Summit, MT averages a high of 23.1° and a low of 7.7°. About 1.1 inches of precipitation fall over the month (8 wet days). The record high is 48° (2024) and the record low -42.5° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	18.5°	2.5°	30%	40.6° (1981)	-29.2° (1979)
2	19.9°	4.1°	27%	39.6° (1981)	-20.4° (1960)
3	19.9°	4.5°	23%	37.8° (1981)	-19.7° (1974)
4	20.3°	5.4°	23%	36.9° (1984)	-26.5° (1971)
5	19.9°	5.5°	35%	36.3° (2018)	-27.8° (2004)
6	21°	4.5°	27%	37.4° (1981)	-22.9° (1979)
7	21°	6.3°	22%	38.3° (2003)	-26.7° (2010)
8	22.1°	7.2°	35%	36.3° (1981)	-21.8° (1977)
9	22.6°	7.7°	30%	37° (2018)	-35° (1973)
10	23.7°	8.6°	33%	36.1° (1995)	-30.1° (1962)
11	23.2°	7.9°	38%	39.4° (1981)	-39.6° (1963)
12	22.6°	6.6°	18%	38.7° (1981)	-42.5° (1963)
13	24.3°	9.5°	23%	37.6° (2023)	-33.9° (2007)
14	24.8°	11.1°	22%	38.3° (2019)	-21.3° (2013)
15	24.6°	10.2°	35%	38.5° (2025)	-33.2° (2024)
16	24.4°	8.6°	28%	39.9° (2025)	-20.7° (1987)
17	24.6°	9.1°	30%	37.9° (2022)	-20° (1984)
18	24.8°	9.5°	27%	37.6° (2018)	-25.6° (1984)
19	25.7°	10.9°	27%	39.4° (1986)	-33.7° (1963)
20	25.3°	9°	23%	43.9° (1981)	-22.9° (2025)
21	24.4°	9.1°	23%	41.4° (1981)	-24.7° (1962)
22	23.9°	7.2°	33%	44.2° (1981)	-28.7° (1962)
23	24.1°	9.1°	22%	44.2° (1981)	-24.3° (1963)
24	23.9°	8.8°	25%	38.1° (2005)	-13.4° (1969)
25	24.1°	8.8°	32%	38.3° (2015)	-15° (1966)
26	24.3°	8.6°	25%	41.5° (2015)	-18.9° (1963)
27	24.1°	9.1°	18%	40.8° (2015)	-20.9° (2009)
28	24.1°	7.7°	30%	40.5° (2024)	-34.1° (1980)
29	23.4°	7.7°	17%	40.6° (2025)	-24° (1980)
30	24.3°	7.9°	25%	48° (2024)	-25.6° (1980)
31	23.5°	7.3°	18%	45.7° (2024)	-30.6° (1985)