Gallatin County, MT
An ordinary day in Gallatin County, MT: was cooler than 46 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 62°F
- Coldest since 2023
- 30th coldest of 76
- Low
- 35.8°F
- Warmest since 2025
- 33rd warmest of 76
- Precipitation
- 0.01 in
- Wettest since 2020
- 18th wettest of 76
- Normal range, 49.7 to 70.9°F
Every year as a table
Every 29 September low of the county average in Gallatin County, MT since 1951: 35.8°F in 2026; the lowest is 12°F, in 1985.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 62 | 35.8 |
| 2025 | 75 | 41.8 |
| 2024 | 77.9 | 40.7 |
| 2023 | 58.4 | 32.8 |
| 2022 | 75.8 | 44 |
| 2021 | 63.6 | 31.4 |
| 2020 | 64.1 | 28.3 |
| 2019 | 37.7 | 25.6 |
| 2018 | 49.7 | 31.6 |
| 2017 | 64.1 | 33.4 |
| 2016 | 70.2 | 40.7 |
| 2015 | 66 | 34.7 |
| 2014 | 48.3 | 38.4 |
| 2013 | 50.4 | 36.2 |
| 2012 | 70.4 | 40.4 |
| 2011 | 69.8 | 36.4 |
| 2010 | 80.1 | 44.8 |
| 2009 | 68.7 | 30.7 |
| 2008 | 69.7 | 36.4 |
| 2007 | 65.9 | 37.9 |
| 2006 | 70.6 | 38.4 |
| 2005 | 63.9 | 28.2 |
| 2004 | 65.8 | 35.2 |
| 2003 | 67.6 | 34.1 |
| 2002 | 58.1 | 32.4 |
| 2001 | 73.7 | 46.2 |
| 2000 | 70.3 | 35.6 |
| 1999 | 49.7 | 18.6 |
| 1998 | 65.5 | 37.7 |
| 1997 | 60.8 | 32.6 |
| 1996 | 69 | 35.9 |
| 1995 | 62.5 | 34.4 |
| 1994 | 77.6 | 41.5 |
| 1993 | 68 | 37.1 |
| 1992 | 68.8 | 32.3 |
| 1991 | 63.3 | 40.2 |
| 1990 | 64.1 | 35.3 |
| 1989 | 73 | 40.3 |
| 1988 | 54.8 | 31.4 |
| 1987 | 61.1 | 28.9 |
| 1986 | 42.9 | 31.4 |
| 1985 | 29 | 12 |
| 1984 | 46.5 | 18.1 |
| 1983 | 41.2 | 34.5 |
| 1982 | 37.6 | 33.7 |
| 1981 | 55.3 | 40.4 |
| 1980 | 68.3 | 36 |
| 1979 | 71 | 36.3 |
| 1978 | 62.7 | 36.6 |
| 1977 | 55.7 | 38.9 |
| 1976 | 66.5 | 36.9 |
| 1975 | 63.8 | 35 |
| 1974 | 59.5 | 30.2 |
| 1973 | 69.8 | 34.4 |
| 1972 | 45.9 | 21.3 |
| 1971 | 44.1 | 30.7 |
| 1970 | 70.9 | 31.8 |
| 1969 | 68 | 36.7 |
| 1968 | 62.2 | 33 |
| 1967 | 78.8 | 46 |
| 1966 | 63.5 | 41.9 |
| 1965 | 42.4 | 29.4 |
| 1964 | 61.5 | 31.8 |
| 1963 | 75 | 39 |
| 1962 | 60.2 | 37.1 |
| 1961 | 48.1 | 29.8 |
| 1960 | 65.4 | 29.2 |
| 1959 | 38.7 | 19.1 |
| 1958 | 61.9 | 33.1 |
| 1957 | 71.7 | 36.1 |
| 1956 | 53.4 | 32.7 |
| 1955 | 49.1 | 28.8 |
| 1954 | 37.2 | 29.4 |
| 1953 | 64.4 | 31.6 |
| 1952 | 70.1 | 35.4 |
| 1951 | 64.7 | 36.4 |
The month
September 2026 so far averaged 53.2°F in Gallatin County, MT, the warmest 1 to 29 September in the county average since 2025, 25th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 62.6°F in Gallatin County, MT, the warmest August in the county average since 2022, tied 19th warmest of 132 (with 2011, 1998 and 1898) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 62°F averaged over Gallatin County, MT, the coldest 29 September day in the county average since 2023, 30th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 35.8°F averaged over Gallatin County, MT, the warmest 29 September night in the county average since 2025, 33rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.01 in of precipitation averaged over Gallatin County, MT, the wettest 29 September in the county average since 2020, tied 18th wettest of 76 (with 2020, 1999 and 1971) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Helena, MT 84.9 mi, the nearest city with its own station