January is one of the cooler months of the year in Montgomery, with average highs near 12.7°C and lows around 1.3°C (mean 7°C). It is a relatively wet time of year, averaging 124 mm of rainfall and 83% relative humidity across the period.
January is one of the cooler months of the year in Montgomery. Across 45 years of records, the warmest January in Montgomery was 2017 — when the month averaged 10.7°C — while the coldest was 2014 at 2.8°C. Typical January days reach 12.7°C with nights near 1.3°C. The long-term trend is warming, about 0.4°C per decade.
January is a relatively wet time of year in Montgomery, averaging 124 mm of rainfall. The wettest January on record was 2017 with 272 mm, while the driest was 1986 at 21 mm.
Relative humidity in Montgomery during January averages 83%. The most humid January was 1993 at 89%, and the least humid was 1981 at 73%.
January receives about 2.7 kWh/m²/day of solar energy in Montgomery. The sunniest Januarys were 2003, 2014 and 2018 at 3.1 kWh/m²/day, and the cloudiest was 1991 at 2.
Average wind speed in Montgomery during January is 1.7 m/s. The windiest January was 1996 at 2 m/s, while the calmest were 2001, 2002 and 2025, among others at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.4°C | 7.7°C | 7.4°C | 6.9°C | 7.9°C | +2.5°C |
| Avg High | 11.1°C | 13.1°C | 13.2°C | 12.6°C | 13.8°C | +2.7°C |
| Avg Low | -0.2°C | 2.3°C | 1.5°C | 1.2°C | 1.9°C | +2.1°C |
| Avg Rain | 98 mm | 170 mm | 97 mm | 123 mm | 131 mm | +33 mm |
January temperatures in Montgomery have risen by about 2.7°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -16.1°C (1985) to a record high of 25.8°C (2022).
Rainfall in January is a relatively wet time of year, averaging 124 mm, with a wettest year of 272 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A quieter season to visit Montgomery
If your dates are flexible, the more temperate months of May and October tend to be the most comfortable for visiting Montgomery. That said, January — with days averaging 12.7°C and nights around 1.3°C (mean 7°C) and higher rainfall (124 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 | 11.4°C | 5.2°C | -0.9°C | 21.9°C | -10.1°C | 81 mm | 76% | 1.5 m/s | 3 |
| 2024 | 12.8°C | 6.7°C | 0.5°C | 22.7°C | -9.4°C | 220 mm | 81% | 1.9 m/s | 2.9 |
| 2023 | 16.3°C | 10.6°C | 4.8°C | 24.3°C | -4.3°C | 184 mm | 85% | 1.6 m/s | 2.6 |
| 2022 | 13.1°C | 6.5°C | 0.0°C | 25.8°C | -5.8°C | 104 mm | 80% | 1.8 m/s | 3 |
| 2021 | 13.8°C | 8.1°C | 2.5°C | 23.6°C | -4.7°C | 63 mm | 81% | 1.6 m/s | 2.7 |
| 2020 | 15.5°C | 10.1°C | 4.6°C | 23.3°C | -5.5°C | 136 mm | 84% | 1.7 m/s | 2.6 |
| 2019 | 13.2°C | 7.7°C | 2.2°C | 20.7°C | -5.0°C | 131 mm | 84% | 1.6 m/s | 2.6 |
| 2018 | 11.0°C | 5.0°C | -0.9°C | 22.1°C | -9.9°C | 84 mm | 74% | 1.8 m/s | 3.1 |
| 2017 🔥 🌧️ | 16.4°C | 10.7°C | 5.1°C | 23.5°C | -16.1°C | 272 mm | 87% | 1.7 m/s | 2.8 |
| 2016 | 11.7°C | 6.2°C | 0.7°C | 18.5°C | -5.1°C | 113 mm | 84% | 1.7 m/s | 2.8 |
| 2015 | 12.6°C | 6.8°C | 1.0°C | 22.0°C | -8.8°C | 87 mm | 82% | 1.7 m/s | 2.9 |
| 2014 ❄️ | 8.7°C | 2.8°C | -3.0°C | 18.6°C | -9.3°C | 65 mm | 78% | 1.7 m/s | 3.1 |
| 2013 | 15.9°C | 10.2°C | 4.6°C | 23.3°C | -3.1°C | 131 mm | 86% | 1.6 m/s | 2.3 |
| 2012 | 16.1°C | 10.0°C | 3.9°C | 22.4°C | -5.2°C | 114 mm | 82% | 1.7 m/s | 2.9 |
| 2011 | 10.6°C | 4.9°C | -0.7°C | 19.5°C | -6.4°C | 65 mm | 80% | 1.6 m/s | 2.8 |
| 2010 | 9.4°C | 4.3°C | -0.7°C | 22.0°C | -10.3°C | 171 mm | 83% | 1.8 m/s | 2.9 |
| 2009 | 13.4°C | 7.5°C | 1.6°C | 23.3°C | -6.8°C | 78 mm | 82% | 1.7 m/s | 3 |
| 2008 | 11.8°C | 6.0°C | 0.2°C | 21.8°C | -9.4°C | 130 mm | 80% | 1.6 m/s | 2.9 |
| 2007 | 13.6°C | 7.9°C | 2.2°C | 23.4°C | -6.5°C | 102 mm | 83% | 1.6 m/s | 2.7 |
| 2006 | 16.5°C | 10.4°C | 4.4°C | 24.3°C | -3.5°C | 136 mm | 83% | 1.8 m/s | 2.9 |
| 2005 | 14.8°C | 9.0°C | 3.2°C | 21.6°C | -6.0°C | 73 mm | 84% | 1.7 m/s | 2.7 |
| 2004 | 12.8°C | 6.7°C | 0.6°C | 22.9°C | -6.9°C | 66 mm | 81% | 1.6 m/s | 2.7 |
| 2003 | 10.0°C | 4.3°C | -1.4°C | 18.0°C | -8.8°C | 45 mm | 81% | 1.7 m/s | 3.1 |
| 2002 | 14.5°C | 8.6°C | 2.6°C | 24.3°C | -6.2°C | 114 mm | 86% | 1.5 m/s | 2.6 |
| 2001 | 11.1°C | 5.3°C | -0.5°C | 20.1°C | -7.6°C | 107 mm | 84% | 1.5 m/s | 2.9 |
| 2000 | 13.8°C | 7.9°C | 2.0°C | 22.8°C | -5.3°C | 115 mm | 79% | 1.9 m/s | 2.7 |
| 1999 | 15.0°C | 9.1°C | 3.1°C | 23.1°C | -7.5°C | 219 mm | 83% | 1.8 m/s | 2.8 |
| 1998 | 14.1°C | 8.9°C | 3.7°C | 21.9°C | -5.0°C | 184 mm | 89% | 1.6 m/s | 2.6 |
| 1997 | 13.4°C | 7.9°C | 2.4°C | 22.9°C | -7.9°C | 161 mm | 82% | 1.9 m/s | 2.6 |
| 1996 | 12.5°C | 6.1°C | -0.3°C | 22.0°C | -6.3°C | 166 mm | 85% | 2 m/s | 2.6 |
| 1995 | 12.9°C | 7.1°C | 1.4°C | 21.3°C | -6.3°C | 121 mm | 83% | 1.7 m/s | 2.7 |
| 1994 | 10.2°C | 4.8°C | -0.6°C | 19.9°C | -9.3°C | 100 mm | 82% | 1.7 m/s | 2.5 |
| 1993 | 14.1°C | 9.4°C | 4.7°C | 21.5°C | -2.5°C | 157 mm | 89% | 1.6 m/s | 2.2 |
| 1992 | 11.5°C | 6.6°C | 1.6°C | 20.0°C | -7.3°C | 167 mm | 86% | 1.6 m/s | 2.5 |
| 1991 | 12.9°C | 8.2°C | 3.5°C | 20.0°C | -5.1°C | 193 mm | 86% | 1.5 m/s | 2 |
| 1990 | 14.6°C | 8.9°C | 3.2°C | 22.3°C | -4.6°C | 235 mm | 88% | 1.5 m/s | 2.7 |
| 1989 | 15.4°C | 9.5°C | 3.7°C | 22.2°C | -2.7°C | 65 mm | 83% | 1.5 m/s | 2.8 |
| 1988 | 9.8°C | 4.5°C | -0.7°C | 21.7°C | -6.4°C | 138 mm | 83% | 1.6 m/s | 2.6 |
| 1987 | 10.8°C | 5.6°C | 0.3°C | 22.3°C | -7.2°C | 160 mm | 87% | 1.7 m/s | 2.7 |
| 1986 | 12.2°C | 5.9°C | -0.4°C | 19.3°C | -7.4°C | 21 mm | 79% | 1.6 m/s | 3 |
| 1985 | 8.7°C | 3.1°C | -2.5°C | 21.4°C | -16.1°C | 92 mm | 81% | 1.8 m/s | 2.7 |
| 1984 | 10.4°C | 5.0°C | -0.4°C | 17.0°C | -7.9°C | 109 mm | 85% | 1.5 m/s | 2.9 |
| 1983 | 10.1°C | 5.3°C | 0.4°C | 17.2°C | -5.2°C | 124 mm | 88% | 1.6 m/s | — |
| 1982 | 11.3°C | 5.4°C | -0.4°C | 22.2°C | -13.7°C | 139 mm | 84% | 1.9 m/s | — |
| 1981 | 10.8°C | 4.5°C | -1.8°C | 18.5°C | -8.3°C | 37 mm | 73% | 1.6 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 12.7°C with lows near 1.3°C (mean 7°C), based on 45 years of NASA POWER data.
January averages 124 mm of rainfall in Montgomery, a relatively wet time of year. The wettest on record was 272 mm in 2017.
The hottest January reached 25.8°C in 2022. The coldest dipped to -16.1°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 2.7°C. Daytime highs moved from 10.3°C to 13.5°C and overnight lows from -0.9°C to 1.4°C over the same span.
January is one of the cooler months of the year in Montgomery and a relatively wet time of year, so plan for around 12.7°C daytime highs and 1.3°C at night.
Yes — January is the coldest month of the year in Montgomery, averaging 7°C.
For January in Montgomery, pack warm layers and a jacket for chilly mornings, with typical highs of 12.7°C and lows of 1.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 83% — quite humid.
Average wind speed in January is 1.7 m/s. The windiest January on record averaged 2 m/s (1996).
The wettest January on record was 2017 with 272 mm. On average, January sees 124 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 Montgomery 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.
