January is one of the cooler months of the year in Milton, with average highs near 15.4°C and lows around 7.2°C (mean 11.3°C). It is one of the drier months, averaging 117 mm of rainfall and 83% relative humidity across the period.
January is one of the cooler months of the year in Milton. Across 45 years of records, the warmest January in Milton was 2017 — when the month averaged 14.8°C — while the coldest was 2014 at 7.5°C. Typical January days reach 15.4°C with nights near 7.2°C. The long-term trend is warming, about 0.3°C per decade.
January is one of the drier months in Milton, averaging 117 mm of rainfall. The wettest January on record was 1991 with 429 mm, while the driest was 2003 at 7 mm.
Relative humidity in Milton during January averages 83%. The most humid January was 1993 at 87%, and the least humid was 1981 at 73%.
January receives about 3 kWh/m²/day of solar energy in Milton. The sunniest January was 2003 at 3.5 kWh/m²/day, and the cloudiest were 1991 and 1993 at 2.2.
Average wind speed in Milton during January is 3.3 m/s. The windiest January was 2024 at 3.8 m/s, while the calmest was 1990 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.2°C | 11.9°C | 11.6°C | 11.1°C | 11.8°C | +1.6°C |
| Avg High | 14.4°C | 15.8°C | 15.8°C | 15.3°C | 16.1°C | +1.7°C |
| Avg Low | 6.0°C | 7.9°C | 7.4°C | 7.0°C | 7.5°C | +1.5°C |
| Avg Rain | 102 mm | 181 mm | 76 mm | 112 mm | 110 mm | +8 mm |
January temperatures in Milton have risen by about 1.8°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -8.2°C (1985) to a record high of 24.4°C (2022).
Rainfall in January is one of the drier months, averaging 117 mm, with a wettest year of 429 mm.
A quieter season to visit Milton
If your dates are flexible, the more temperate months of October and May tend to be the most comfortable for visiting Milton. That said, January — with days averaging 15.4°C and nights around 7.2°C (mean 11.3°C) and higher rainfall (117 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 | 14.0°C | 9.4°C | 4.9°C | 21.7°C | -4.5°C | 85 mm | 81% | 3.4 m/s | 3.2 |
| 2024 | 15.7°C | 10.9°C | 6.2°C | 22.3°C | -4.4°C | 161 mm | 83% | 3.8 m/s | 3.2 |
| 2023 | 18.6°C | 14.5°C | 10.4°C | 24.2°C | 1.8°C | 114 mm | 83% | 3 m/s | 3.1 |
| 2022 | 15.3°C | 10.5°C | 5.8°C | 24.4°C | -0.6°C | 76 mm | 81% | 3.5 m/s | 3.2 |
| 2021 | 15.8°C | 11.8°C | 7.8°C | 22.9°C | 0.6°C | 91 mm | 82% | 3.1 m/s | 3 |
| 2020 | 17.4°C | 13.7°C | 9.9°C | 23.9°C | -1.0°C | 131 mm | 84% | 3.3 m/s | 2.7 |
| 2019 | 15.5°C | 11.5°C | 7.4°C | 22.3°C | 0.3°C | 91 mm | 83% | 3.2 m/s | 3 |
| 2018 | 13.4°C | 8.9°C | 4.4°C | 20.8°C | -3.4°C | 78 mm | 79% | 3.7 m/s | 3.3 |
| 2017 🔥 | 18.4°C | 14.8°C | 11.2°C | 23.0°C | -2.7°C | 225 mm | 86% | 3.3 m/s | 3.2 |
| 2016 | 14.8°C | 10.7°C | 6.6°C | 20.4°C | -0.2°C | 118 mm | 83% | 3.5 m/s | 3 |
| 2015 | 15.5°C | 11.1°C | 6.8°C | 22.3°C | -4.8°C | 116 mm | 82% | 3.3 m/s | 3.2 |
| 2014 ❄️ | 12.1°C | 7.5°C | 2.9°C | 20.2°C | -5.0°C | 78 mm | 81% | 3.5 m/s | 3.2 |
| 2013 | 18.2°C | 14.6°C | 10.9°C | 23.1°C | 4.2°C | 52 mm | 84% | 3.3 m/s | 2.8 |
| 2012 | 18.4°C | 14.1°C | 9.9°C | 22.3°C | 0.9°C | 61 mm | 80% | 3.2 m/s | 3.3 |
| 2011 | 13.9°C | 9.5°C | 5.1°C | 19.9°C | -2.4°C | 104 mm | 79% | 3.1 m/s | 3.2 |
| 2010 | 12.3°C | 8.4°C | 4.4°C | 20.8°C | -2.9°C | 196 mm | 83% | 3.6 m/s | 3.3 |
| 2009 | 16.5°C | 12.1°C | 7.8°C | 22.4°C | -2.0°C | 58 mm | 82% | 3.2 m/s | 3.3 |
| 2008 | 14.7°C | 10.5°C | 6.2°C | 21.8°C | -2.6°C | 129 mm | 85% | 3.5 m/s | 3 |
| 2007 | 15.9°C | 12.0°C | 8.1°C | 22.6°C | -1.9°C | 97 mm | 82% | 3.2 m/s | 2.7 |
| 2006 | 17.9°C | 13.8°C | 9.7°C | 22.8°C | 0.0°C | 72 mm | 82% | 3.4 m/s | 3.1 |
| 2005 | 17.3°C | 13.3°C | 9.3°C | 22.2°C | -1.6°C | 68 mm | 86% | 3.4 m/s | 3.2 |
| 2004 | 15.4°C | 11.2°C | 6.9°C | 22.8°C | -1.0°C | 67 mm | 83% | 3.2 m/s | 2.9 |
| 2003 | 12.9°C | 8.5°C | 4.1°C | 19.0°C | -4.7°C | 7 mm | 81% | 3.4 m/s | 3.5 |
| 2002 | 16.6°C | 12.6°C | 8.5°C | 23.0°C | -1.8°C | 91 mm | 87% | 3 m/s | 2.8 |
| 2001 | 13.8°C | 9.6°C | 5.4°C | 21.2°C | -1.7°C | 79 mm | 84% | 3.2 m/s | 3 |
| 2000 | 16.7°C | 12.4°C | 8.2°C | 23.0°C | -2.1°C | 92 mm | 81% | 3.6 m/s | 3.3 |
| 1999 | 17.4°C | 13.4°C | 9.3°C | 22.5°C | -3.3°C | 143 mm | 86% | 3.5 m/s | 3 |
| 1998 | 16.0°C | 12.3°C | 8.7°C | 21.4°C | 1.2°C | 280 mm | 87% | 3.1 m/s | 3 |
| 1997 | 16.3°C | 12.2°C | 8.0°C | 22.9°C | -2.9°C | 166 mm | 84% | 3.5 m/s | 2.8 |
| 1996 | 15.2°C | 10.5°C | 5.9°C | 20.8°C | -2.4°C | 92 mm | 85% | 3.7 m/s | 3.1 |
| 1995 | 15.5°C | 11.4°C | 7.4°C | 21.0°C | 0.1°C | 122 mm | 82% | 3.4 m/s | 3.1 |
| 1994 | 13.3°C | 9.2°C | 5.1°C | 19.6°C | -3.1°C | 128 mm | 83% | 3.6 m/s | 2.8 |
| 1993 | 17.2°C | 13.9°C | 10.6°C | 22.5°C | 3.6°C | 142 mm | 87% | 3.1 m/s | 2.2 |
| 1992 | 14.4°C | 10.7°C | 6.9°C | 21.6°C | -0.7°C | 174 mm | 83% | 3.3 m/s | 2.8 |
| 1991 🌧️ | 16.0°C | 12.4°C | 8.8°C | 22.2°C | 0.9°C | 429 mm | 87% | 3.2 m/s | 2.2 |
| 1990 | 16.4°C | 12.5°C | 8.7°C | 20.6°C | 0.6°C | 131 mm | 87% | 2.8 m/s | 3.1 |
| 1989 | 18.2°C | 14.3°C | 10.4°C | 22.5°C | 4.6°C | 43 mm | 85% | 2.9 m/s | 3 |
| 1988 | 13.1°C | 9.2°C | 5.3°C | 21.2°C | -0.3°C | 98 mm | 83% | 3.5 m/s | 2.7 |
| 1987 | 14.4°C | 10.3°C | 6.3°C | 23.1°C | -2.2°C | 193 mm | 85% | 3.5 m/s | 3 |
| 1986 | 14.3°C | 10.3°C | 6.2°C | 20.1°C | -3.1°C | 86 mm | 83% | 3.2 m/s | 3.3 |
| 1985 | 13.4°C | 8.7°C | 4.1°C | 22.4°C | -8.2°C | 114 mm | 79% | 3.5 m/s | 3 |
| 1984 | 12.9°C | 8.9°C | 4.9°C | 19.4°C | -1.3°C | 109 mm | 84% | 3.2 m/s | 3.1 |
| 1983 | 14.0°C | 10.3°C | 6.5°C | 20.0°C | 1.1°C | 136 mm | 84% | 3.1 m/s | — |
| 1982 | 15.4°C | 10.9°C | 6.4°C | 22.3°C | -6.5°C | 103 mm | 85% | 3.5 m/s | — |
| 1981 | 13.7°C | 9.0°C | 4.2°C | 21.2°C | -3.7°C | 33 mm | 73% | 3.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 15.4°C with lows near 7.2°C (mean 11.3°C), based on 45 years of NASA POWER data.
January averages 117 mm of rainfall in Milton, one of the drier months. The wettest on record was 429 mm in 1991.
The hottest January reached 24.4°C in 2022. The coldest dipped to -8.2°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.8°C. Daytime highs moved from 13.9°C to 15.9°C and overnight lows from 5.2°C to 7°C over the same span.
January is one of the cooler months of the year in Milton and one of the drier months, so plan for around 15.4°C daytime highs and 7.2°C at night.
Yes — January is the coldest month of the year in Milton, averaging 11.3°C.
For January in Milton, pack warm layers and a jacket for chilly mornings, with typical highs of 15.4°C and lows of 7.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 83% — quite humid.
Average wind speed in January is 3.3 m/s. The windiest January on record averaged 3.8 m/s (2024).
The wettest January on record was 1991 with 429 mm. On average, January sees 117 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 Milton 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.
