October is one of the warmer months of the year in Gallatin, with average highs near 21.7°C and lows around 9°C (mean 15.4°C). It is one of the drier months, averaging 88 mm of rainfall and 71% relative humidity across the period.
October is one of the warmer months of the year in Gallatin. Across 45 years of records, the warmest October in Gallatin was 2016 — when the month averaged 18.9°C — while the coldest was 1988 at 11.3°C. Typical October days reach 21.7°C with nights near 9°C. The long-term trend is warming, about 0.4°C per decade.
October is one of the drier months in Gallatin, averaging 88 mm of rainfall. The wettest October on record was 2019 with 190 mm, while the driest was 2005 at 7 mm.
Relative humidity in Gallatin during October averages 71%. The most humid October was 2002 at 84%, and the least humid was 1987 at 56%.
October receives about 3.6 kWh/m²/day of solar energy in Gallatin. The sunniest October was 2024 at 4.4 kWh/m²/day, and the cloudiest were 1984, 2002 and 2009 at 2.8.
Average wind speed in Gallatin during October is 1.6 m/s. The windiest October was 2001 at 2.1 m/s, while the calmest were 2013 and 2024 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.9°C | 14.9°C | 15.5°C | 15.7°C | 16.4°C | +1.5°C |
| Avg High | 21.2°C | 21.5°C | 21.6°C | 22.0°C | 22.8°C | +1.6°C |
| Avg Low | 8.7°C | 8.3°C | 9.3°C | 9.4°C | 9.9°C | +1.2°C |
| Avg Rain | 84 mm | 85 mm | 92 mm | 96 mm | 78 mm | -6 mm |
October temperatures in Gallatin have risen by about 0.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -4.7°C (1981) to a record high of 36.1°C (2019).
Rainfall in October is one of the drier months, averaging 88 mm, with a wettest year of 190 mm.
A good time to visit Gallatin
October is a good time to visit Gallatin, with days averaging 21.7°C and nights around 9°C (mean 15.4°C, warmer than Gallatin's yearly average) and higher rainfall. September and June are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23.7°C | 17.2°C | 10.8°C | 31.4°C | 3.6°C | 107 mm | 67% | 1.6 m/s | 3.8 |
| 2024 | 24.3°C | 17.0°C | 9.8°C | 29.8°C | 1.8°C | 11 mm | 66% | 1.4 m/s | 4.4 |
| 2023 | 23.4°C | 16.8°C | 10.2°C | 31.2°C | -2.1°C | 33 mm | 64% | 1.7 m/s | 3.5 |
| 2022 | 21.8°C | 14.4°C | 6.9°C | 27.7°C | -0.9°C | 45 mm | 60% | 1.7 m/s | 4.2 |
| 2021 | 22.2°C | 17.2°C | 12.3°C | 28.0°C | 4.6°C | 135 mm | 82% | 1.6 m/s | 3.4 |
| 2020 | 21.5°C | 15.6°C | 9.7°C | 27.7°C | 2.8°C | 135 mm | 78% | 1.6 m/s | 3.3 |
| 2019 🌧️ | 23.3°C | 16.7°C | 10.0°C | 36.1°C | -1.6°C | 190 mm | 71% | 1.6 m/s | 3.6 |
| 2018 | 21.1°C | 15.6°C | 10.1°C | 30.2°C | -0.2°C | 105 mm | 80% | 1.6 m/s | 3.5 |
| 2017 | 22.0°C | 15.6°C | 9.2°C | 29.0°C | -1.7°C | 110 mm | 74% | 1.6 m/s | 3.6 |
| 2016 🔥 | 26.0°C | 18.9°C | 11.9°C | 31.9°C | 4.7°C | 13 mm | 66% | 1.6 m/s | 4 |
| 2015 | 21.2°C | 15.5°C | 9.7°C | 28.0°C | 1.2°C | 102 mm | 75% | 1.8 m/s | 3.6 |
| 2014 | 21.1°C | 15.4°C | 9.7°C | 31.5°C | 2.5°C | 188 mm | 78% | 1.8 m/s | 3.5 |
| 2013 | 20.6°C | 15.2°C | 9.7°C | 29.2°C | -3.5°C | 69 mm | 78% | 1.4 m/s | 3.4 |
| 2012 | 19.3°C | 13.4°C | 7.5°C | 25.8°C | -1.2°C | 81 mm | 75% | 2 m/s | 3.7 |
| 2011 | 21.2°C | 14.4°C | 7.6°C | 28.6°C | 0.2°C | 43 mm | 67% | 1.6 m/s | 4 |
| 2010 | 23.7°C | 16.0°C | 8.3°C | 30.5°C | 0.6°C | 54 mm | 57% | 1.6 m/s | 4.3 |
| 2009 | 18.2°C | 13.0°C | 7.8°C | 26.3°C | -0.8°C | 175 mm | 83% | 1.8 m/s | 2.8 |
| 2008 | 22.3°C | 15.5°C | 8.8°C | 30.6°C | -1.4°C | 98 mm | 62% | 1.5 m/s | 4.1 |
| 2007 | 24.5°C | 18.1°C | 11.6°C | 33.5°C | 0.8°C | 138 mm | 68% | 1.7 m/s | 3.6 |
| 2006 | 19.1°C | 13.0°C | 7.0°C | 29.3°C | -2.7°C | 89 mm | 75% | 1.8 m/s | 3.4 |
| 2005 | 22.9°C | 16.1°C | 9.4°C | 31.5°C | -0.1°C | 7 mm | 69% | 1.5 m/s | 3.5 |
| 2004 | 22.9°C | 17.3°C | 11.7°C | 27.4°C | 3.2°C | 111 mm | 77% | 1.7 m/s | 3.1 |
| 2003 | 20.6°C | 14.6°C | 8.6°C | 25.2°C | 2.5°C | 47 mm | 75% | 1.5 m/s | 3.8 |
| 2002 | 19.8°C | 15.2°C | 10.6°C | 28.9°C | 4.3°C | 128 mm | 84% | 1.6 m/s | 2.8 |
| 2001 | 21.1°C | 14.1°C | 7.1°C | 28.0°C | -1.8°C | 111 mm | 66% | 2.1 m/s | 4.2 |
| 2000 | 25.0°C | 17.7°C | 10.3°C | 31.9°C | -0.5°C | 13 mm | 60% | 1.5 m/s | 3.9 |
| 1999 | 22.8°C | 15.4°C | 8.0°C | 28.9°C | -0.4°C | 65 mm | 63% | 1.6 m/s | 4 |
| 1998 | 24.4°C | 17.2°C | 10.1°C | 30.7°C | 1.2°C | 55 mm | 63% | 1.5 m/s | 3.9 |
| 1997 | 21.4°C | 14.6°C | 7.9°C | 29.7°C | -2.3°C | 61 mm | 69% | 1.6 m/s | 3.8 |
| 1996 | 20.5°C | 14.4°C | 8.3°C | 25.5°C | 0.7°C | 69 mm | 77% | 1.7 m/s | 3.5 |
| 1995 | 20.1°C | 14.0°C | 7.9°C | 27.8°C | 1.2°C | 159 mm | 77% | 1.8 m/s | 3.7 |
| 1994 | 21.3°C | 15.0°C | 8.7°C | 27.6°C | -0.5°C | 82 mm | 74% | 1.6 m/s | 3.3 |
| 1993 | 20.6°C | 14.2°C | 7.8°C | 29.9°C | -2.7°C | 82 mm | 72% | 1.7 m/s | 3.1 |
| 1992 | 20.7°C | 14.1°C | 7.4°C | 26.6°C | -2.2°C | 55 mm | 73% | 1.5 m/s | 3.4 |
| 1991 | 21.8°C | 15.4°C | 9.1°C | 28.4°C | -0.3°C | 108 mm | 70% | 1.7 m/s | 3.6 |
| 1990 | 21.8°C | 14.7°C | 7.6°C | 29.2°C | -0.4°C | 111 mm | 69% | 1.8 m/s | 3.8 |
| 1989 | 20.2°C | 13.8°C | 7.5°C | 26.1°C | -0.8°C | 81 mm | 79% | 1.6 m/s | 3.8 |
| 1988 ❄️ | 17.7°C | 11.3°C | 4.9°C | 24.6°C | -0.7°C | 53 mm | 68% | 1.7 m/s | 3.5 |
| 1987 | 19.9°C | 12.3°C | 4.8°C | 26.9°C | -2.3°C | 11 mm | 56% | 1.7 m/s | 3.9 |
| 1986 | 21.9°C | 15.9°C | 9.9°C | 29.9°C | 3.2°C | 80 mm | 74% | 1.5 m/s | 3.1 |
| 1985 | 22.8°C | 17.1°C | 11.4°C | 28.5°C | 4.0°C | 73 mm | 77% | 1.7 m/s | 2.9 |
| 1984 | 24.0°C | 18.6°C | 13.2°C | 28.4°C | 4.0°C | 183 mm | 77% | 1.5 m/s | 2.8 |
| 1983 | 22.8°C | 16.4°C | 10.0°C | 31.5°C | 2.8°C | 122 mm | 69% | 1.6 m/s | — |
| 1982 | 20.7°C | 14.6°C | 8.5°C | 28.5°C | -1.5°C | 41 mm | 76% | 1.5 m/s | — |
| 1981 | 20.5°C | 14.1°C | 7.7°C | 29.5°C | -4.7°C | 111 mm | 71% | 1.6 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 21.7°C with lows near 9°C (mean 15.4°C), based on 45 years of NASA POWER data.
October averages 88 mm of rainfall in Gallatin, one of the drier months. The wettest on record was 190 mm in 2019.
The hottest October reached 36.1°C in 2019. The coldest dipped to -4.7°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.3°C — but days and nights have moved in opposite directions. Daytime highs rose from 22.2°C to 23.1°C while overnight lows fell from 10.2°C to 10°C, widening the gap between day and night.
October is one of the warmer months of the year in Gallatin and one of the drier months, so plan for around 21.7°C daytime highs and 9°C at night.
Not quite — October is the 7th coolest month in Gallatin, averaging 15.4°C.
For October in Gallatin, pack light layers you can adjust through the day, with typical highs of 21.7°C and lows of 9°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 71% — moderately humid.
Average wind speed in October is 1.6 m/s. The windiest October on record averaged 2.1 m/s (2001).
The wettest October on record was 2019 with 190 mm. On average, October sees 88 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
