January is one of the cooler months of the year in Gallatin, with average highs near 6.2°C and lows around -3.1°C (mean 1.6°C). It is about average for rainfall, averaging 102 mm of rainfall and 85% relative humidity across the period.
January is one of the cooler months of the year in Gallatin. Across 45 years of records, the warmest January in Gallatin was 2023 — when the month averaged 6°C — while the coldest was 1985 at -3.6°C. Typical January days reach 6.2°C with nights near -3.1°C. The long-term trend is warming, about 0.4°C per decade.
January is about average for rainfall in Gallatin, averaging 102 mm of rainfall. The wettest January on record was 1999 with 212 mm, while the driest was 1986 at 15 mm.
Relative humidity in Gallatin during January averages 85%. The most humid January was 1991 at 92%, and the least humid was 1981 at 78%.
January receives about 2.2 kWh/m²/day of solar energy in Gallatin. The sunniest January was 1986 at 2.6 kWh/m²/day, and the cloudiest were 1994, 2017 and 2024 at 1.8.
Average wind speed in Gallatin during January is 2.3 m/s. The windiest January was 1982 at 2.9 m/s, while the calmest were 1984, 2001 and 2011 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -0.2°C | 2.1°C | 2.1°C | 1.4°C | 2.4°C | +2.6°C |
| Avg High | 4.5°C | 6.6°C | 6.8°C | 6.0°C | 7.1°C | +2.6°C |
| Avg Low | -4.8°C | -2.4°C | -2.5°C | -3.3°C | -2.4°C | +2.4°C |
| Avg Rain | 82 mm | 113 mm | 105 mm | 90 mm | 130 mm | +49 mm |
January temperatures in Gallatin have risen by about 3.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -24.8°C (1994) to a record high of 22.7°C (2022).
Rainfall in January is about average for rainfall, averaging 102 mm, with a wettest year of 212 mm.
A quieter season to visit Gallatin
If your dates are flexible, the more temperate months of September and June tend to be the most comfortable for visiting Gallatin. That said, January — with days averaging 6.2°C and nights around -3.1°C (mean 1.6°C) and higher rainfall (102 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 4.7°C | -0.2°C | -5.2°C | 15.8°C | -14.7°C | 96 mm | 79% | 2 m/s | 2.5 |
| 2024 | 5.6°C | 0.8°C | -4.0°C | 16.2°C | -15.1°C | 143 mm | 83% | 2.4 m/s | 1.8 |
| 2023 🔥 | 10.9°C | 6.0°C | 1.1°C | 20.6°C | -4.8°C | 145 mm | 86% | 2.3 m/s | 2.1 |
| 2022 | 4.7°C | -0.2°C | -5.1°C | 22.7°C | -11.8°C | 151 mm | 85% | 2.3 m/s | 2.4 |
| 2021 | 7.6°C | 3.0°C | -1.6°C | 21.7°C | -5.4°C | 91 mm | 86% | 2.1 m/s | 2.2 |
| 2020 | 9.1°C | 4.8°C | 0.4°C | 20.0°C | -8.8°C | 156 mm | 89% | 2.1 m/s | 1.9 |
| 2019 | 6.6°C | 2.3°C | -2.0°C | 18.0°C | -12.0°C | 117 mm | 86% | 2.2 m/s | 2.1 |
| 2018 | 4.7°C | -0.3°C | -5.3°C | 17.1°C | -15.1°C | 52 mm | 81% | 2.3 m/s | 2.5 |
| 2017 | 10.1°C | 5.7°C | 1.4°C | 19.9°C | -13.3°C | 105 mm | 86% | 2.3 m/s | 1.8 |
| 2016 | 5.0°C | 0.6°C | -3.9°C | 17.7°C | -12.3°C | 51 mm | 85% | 2.2 m/s | 2.4 |
| 2015 | 5.7°C | 1.0°C | -3.8°C | 15.6°C | -16.7°C | 57 mm | 83% | 2 m/s | 2.3 |
| 2014 | 3.0°C | -2.1°C | -7.3°C | 11.6°C | -16.4°C | 61 mm | 79% | 2.6 m/s | 2.5 |
| 2013 | 7.9°C | 3.1°C | -1.7°C | 20.9°C | -8.3°C | 159 mm | 86% | 2.3 m/s | 2.2 |
| 2012 | 9.6°C | 4.3°C | -1.0°C | 16.6°C | -6.8°C | 113 mm | 85% | 2.5 m/s | 2.1 |
| 2011 | 4.5°C | 0.0°C | -4.4°C | 13.3°C | -11.8°C | 70 mm | 83% | 1.8 m/s | 2 |
| 2010 | 2.7°C | -1.0°C | -4.8°C | 14.3°C | -11.2°C | 116 mm | 87% | 2.1 m/s | 2.2 |
| 2009 | 4.9°C | 0.3°C | -4.2°C | 17.0°C | -16.1°C | 141 mm | 85% | 2.2 m/s | 2.1 |
| 2008 | 5.3°C | 0.7°C | -3.9°C | 19.3°C | -13.9°C | 98 mm | 83% | 2.3 m/s | 2.2 |
| 2007 | 7.6°C | 3.1°C | -1.3°C | 19.1°C | -13.0°C | 97 mm | 85% | 2.3 m/s | 2.1 |
| 2006 | 11.2°C | 5.9°C | 0.5°C | 20.9°C | -4.4°C | 170 mm | 83% | 2.7 m/s | 2.3 |
| 2005 | 8.2°C | 4.0°C | -0.1°C | 18.6°C | -12.6°C | 132 mm | 89% | 2.4 m/s | 1.9 |
| 2004 | 6.3°C | 1.5°C | -3.3°C | 20.0°C | -13.2°C | 95 mm | 82% | 2.4 m/s | 2.5 |
| 2003 | 3.2°C | -1.3°C | -5.8°C | 13.2°C | -15.4°C | 37 mm | 85% | 2.1 m/s | 2.4 |
| 2002 | 8.9°C | 4.1°C | -0.6°C | 21.4°C | -10.3°C | 130 mm | 86% | 2.2 m/s | 2.4 |
| 2001 | 4.8°C | 0.4°C | -4.0°C | 16.3°C | -10.6°C | 72 mm | 85% | 1.8 m/s | 2.3 |
| 2000 | 7.4°C | 2.5°C | -2.5°C | 20.1°C | -10.9°C | 77 mm | 80% | 2.4 m/s | 2.2 |
| 1999 🌧️ | 8.1°C | 3.5°C | -1.0°C | 19.4°C | -12.7°C | 212 mm | 87% | 2.7 m/s | 1.9 |
| 1998 | 9.8°C | 5.2°C | 0.6°C | 20.7°C | -8.4°C | 118 mm | 88% | 1.9 m/s | 2 |
| 1997 | 5.5°C | 0.9°C | -3.7°C | 19.6°C | -15.7°C | 111 mm | 87% | 2.6 m/s | 2.3 |
| 1996 | 4.3°C | 0.2°C | -3.9°C | 18.1°C | -11.3°C | 104 mm | 88% | 2.6 m/s | 1.9 |
| 1995 | 6.5°C | 2.1°C | -2.3°C | 19.0°C | -14.3°C | 113 mm | 87% | 2.3 m/s | 1.9 |
| 1994 | 1.7°C | -2.6°C | -6.8°C | 10.9°C | -24.8°C | 119 mm | 89% | 2.2 m/s | 1.8 |
| 1993 | 8.3°C | 3.4°C | -1.5°C | 15.8°C | -6.2°C | 76 mm | 85% | 2.2 m/s | 1.9 |
| 1992 | 6.8°C | 2.4°C | -2.1°C | 12.7°C | -14.5°C | 78 mm | 89% | 2 m/s | 2.2 |
| 1991 | 5.9°C | 1.7°C | -2.5°C | 11.7°C | -11.1°C | 86 mm | 92% | 2.1 m/s | 1.9 |
| 1990 | 9.4°C | 4.5°C | -0.4°C | 17.0°C | -5.6°C | 108 mm | 86% | 2.3 m/s | 2.1 |
| 1989 | 9.3°C | 4.4°C | -0.5°C | 17.6°C | -5.2°C | 146 mm | 87% | 2.1 m/s | 2.2 |
| 1988 | 3.6°C | -0.8°C | -5.2°C | 16.2°C | -13.1°C | 101 mm | 84% | 2.4 m/s | 2.3 |
| 1987 | 4.8°C | 0.8°C | -3.2°C | 11.6°C | -14.6°C | 60 mm | 89% | 2.1 m/s | 2.1 |
| 1986 | 6.3°C | 1.0°C | -4.3°C | 17.8°C | -14.7°C | 15 mm | 79% | 2.3 m/s | 2.6 |
| 1985 ❄️ | 0.7°C | -3.6°C | -8.0°C | 17.1°C | -24.0°C | 80 mm | 89% | 2.5 m/s | 2.2 |
| 1984 | 2.5°C | -1.6°C | -5.7°C | 12.3°C | -20.9°C | 43 mm | 90% | 1.8 m/s | 2.2 |
| 1983 | 5.3°C | 1.1°C | -3.0°C | 12.1°C | -10.2°C | 69 mm | 87% | 2.1 m/s | — |
| 1982 | 4.1°C | -1.4°C | -7.0°C | 18.4°C | -23.3°C | 181 mm | 84% | 2.9 m/s | — |
| 1981 | 3.7°C | -1.3°C | -6.3°C | 14.9°C | -14.8°C | 41 mm | 78% | 2 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 6.2°C with lows near -3.1°C (mean 1.6°C), based on 45 years of NASA POWER data.
January averages 102 mm of rainfall in Gallatin, about average for rainfall. The wettest on record was 212 mm in 1999.
The hottest January reached 22.7°C in 2022. The coldest dipped to -24.8°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 3.3°C. Daytime highs moved from 3.3°C to 6.7°C and overnight lows from -6°C to -3°C over the same span.
January is one of the cooler months of the year in Gallatin and about average for rainfall, so plan for around 6.2°C daytime highs and -3.1°C at night.
Yes — January is the coldest month of the year in Gallatin, averaging 1.6°C.
For January in Gallatin, pack warm layers and a jacket for chilly mornings, with typical highs of 6.2°C and lows of -3.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 85% — quite humid.
Average wind speed in January is 2.3 m/s. The windiest January on record averaged 2.9 m/s (1982).
The wettest January on record was 1999 with 212 mm. On average, January sees 102 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Gallatin behaves each January, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for January specifically, along with year-by-year records and how the month has changed over the decades.
