January is one of the cooler months of the year in Spring, with average highs near 16.2°C and lows around 4.9°C (mean 10.6°C). It is about average for rainfall, averaging 99 mm of rainfall and 81% relative humidity across the period.
January is one of the cooler months of the year in Spring. Across 45 years of records, the warmest January in Spring was 2006 — when the month averaged 13.9°C — while the coldest was 1985 at 6.7°C. Typical January days reach 16.2°C with nights near 4.9°C. The long-term trend is warming, about 0.3°C per decade.
January is about average for rainfall in Spring, averaging 99 mm of rainfall. The wettest January on record was 1991 with 264 mm, while the driest was 2009 at 13 mm.
Relative humidity in Spring during January averages 81%. The most humid January was 1998 at 88%, and the least humid was 2022 at 71%.
January receives about 2.8 kWh/m²/day of solar energy in Spring. The sunniest January was 2022 at 3.4 kWh/m²/day, and the cloudiest was 1993 at 2.
Average wind speed in Spring during January is 2 m/s. The windiest January was 1996 at 2.4 m/s, while the calmest was 1981 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.3°C | 10.9°C | 11.0°C | 10.3°C | 11.2°C | +1.9°C |
| Avg High | 14.9°C | 16.4°C | 16.6°C | 16.1°C | 17.2°C | +2.3°C |
| Avg Low | 3.7°C | 5.5°C | 5.4°C | 4.4°C | 5.3°C | +1.6°C |
| Avg Rain | 74 mm | 138 mm | 84 mm | 91 mm | 109 mm | +35 mm |
January temperatures in Spring have risen by about 2.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -9.8°C (1982) to a record high of 28.8°C (2022).
Rainfall in January is about average for rainfall, averaging 99 mm, with a wettest year of 264 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A quieter season to visit Spring
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Spring. That said, January — with days averaging 16.2°C and nights around 4.9°C (mean 10.6°C) and higher rainfall (99 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 | 14.7°C | 8.8°C | 3.0°C | 25.6°C | -6.5°C | 84 mm | 78% | 2 m/s | 2.6 |
| 2024 | 15.6°C | 9.7°C | 3.7°C | 24.2°C | -7.1°C | 227 mm | 77% | 2.2 m/s | 2.8 |
| 2023 | 19.1°C | 13.5°C | 7.9°C | 25.1°C | -0.2°C | 140 mm | 82% | 2.1 m/s | 2.6 |
| 2022 | 17.1°C | 10.5°C | 3.8°C | 28.8°C | -3.3°C | 68 mm | 71% | 2.1 m/s | 3.4 |
| 2021 | 17.3°C | 11.3°C | 5.4°C | 24.4°C | -3.2°C | 49 mm | 80% | 1.9 m/s | 3 |
| 2020 | 19.1°C | 13.5°C | 8.0°C | 26.1°C | 0.4°C | 87 mm | 81% | 1.9 m/s | 2.4 |
| 2019 | 16.1°C | 10.4°C | 4.8°C | 23.8°C | -2.1°C | 105 mm | 84% | 1.9 m/s | 3 |
| 2018 | 14.5°C | 8.2°C | 1.9°C | 23.4°C | -7.8°C | 56 mm | 76% | 2 m/s | 3.2 |
| 2017 | 19.1°C | 13.6°C | 8.2°C | 25.3°C | -7.4°C | 141 mm | 81% | 2.1 m/s | 2.9 |
| 2016 | 16.2°C | 10.3°C | 4.4°C | 24.4°C | -2.0°C | 56 mm | 82% | 1.8 m/s | 3.3 |
| 2015 | 14.1°C | 8.8°C | 3.5°C | 23.5°C | -3.4°C | 107 mm | 82% | 1.7 m/s | 2.9 |
| 2014 | 14.7°C | 8.4°C | 2.0°C | 22.5°C | -4.9°C | 33 mm | 76% | 2.1 m/s | 3.2 |
| 2013 | 17.2°C | 12.1°C | 6.9°C | 26.1°C | -2.1°C | 113 mm | 82% | 2.1 m/s | 2.8 |
| 2012 | 19.2°C | 13.0°C | 6.7°C | 24.9°C | -1.3°C | 138 mm | 80% | 2 m/s | 3.1 |
| 2011 | 15.7°C | 9.4°C | 3.0°C | 23.5°C | -5.0°C | 93 mm | 76% | 1.9 m/s | 2.7 |
| 2010 | 13.8°C | 8.3°C | 2.7°C | 22.9°C | -6.0°C | 62 mm | 82% | 2 m/s | 2.9 |
| 2009 | 18.1°C | 11.3°C | 4.5°C | 26.1°C | -2.3°C | 13 mm | 72% | 2 m/s | 3.3 |
| 2008 | 15.3°C | 9.7°C | 4.1°C | 24.6°C | -4.0°C | 118 mm | 80% | 2.1 m/s | 2.9 |
| 2007 | 13.3°C | 8.8°C | 4.2°C | 24.1°C | -2.0°C | 162 mm | 86% | 1.9 m/s | 2.4 |
| 2006 🔥 | 20.3°C | 13.9°C | 7.6°C | 26.1°C | 1.8°C | 63 mm | 72% | 2.1 m/s | 3.3 |
| 2005 | 17.1°C | 12.0°C | 7.0°C | 24.3°C | -1.4°C | 72 mm | 86% | 2 m/s | 2.6 |
| 2004 | 16.6°C | 11.6°C | 6.6°C | 24.0°C | -2.9°C | 142 mm | 83% | 2 m/s | 2.5 |
| 2003 | 14.2°C | 8.9°C | 3.7°C | 23.6°C | -4.2°C | 45 mm | 85% | 1.9 m/s | 3 |
| 2002 | 17.7°C | 11.8°C | 5.8°C | 25.0°C | -5.4°C | 52 mm | 83% | 2.1 m/s | 2.9 |
| 2001 | 13.8°C | 8.8°C | 3.8°C | 21.6°C | -5.5°C | 124 mm | 86% | 1.9 m/s | 2.7 |
| 2000 | 19.9°C | 13.5°C | 7.1°C | 27.1°C | -3.1°C | 46 mm | 73% | 2.3 m/s | 2.9 |
| 1999 | 18.5°C | 12.6°C | 6.7°C | 25.1°C | -4.6°C | 66 mm | 85% | 2.3 m/s | 3.1 |
| 1998 | 18.7°C | 13.3°C | 7.9°C | 23.0°C | 0.5°C | 147 mm | 88% | 2.1 m/s | 2.8 |
| 1997 | 14.5°C | 9.5°C | 4.4°C | 26.5°C | -4.5°C | 117 mm | 82% | 2.1 m/s | 2.6 |
| 1996 | 16.5°C | 9.8°C | 3.2°C | 24.1°C | -6.5°C | 51 mm | 78% | 2.4 m/s | 2.9 |
| 1995 | 16.3°C | 10.8°C | 5.3°C | 24.5°C | -2.4°C | 156 mm | 84% | 2.1 m/s | 2.9 |
| 1994 | 16.0°C | 10.4°C | 4.9°C | 23.2°C | -4.3°C | 78 mm | 83% | 2.2 m/s | 2.8 |
| 1993 | 15.8°C | 10.6°C | 5.5°C | 24.4°C | -1.5°C | 162 mm | 86% | 1.8 m/s | 2 |
| 1992 | 14.3°C | 9.7°C | 5.1°C | 22.2°C | -4.6°C | 195 mm | 86% | 1.7 m/s | 2.6 |
| 1991 🌧️ | 14.7°C | 9.6°C | 4.6°C | 23.0°C | -1.9°C | 264 mm | 87% | 1.9 m/s | 2.1 |
| 1990 | 18.4°C | 12.7°C | 7.1°C | 25.0°C | -2.3°C | 149 mm | 81% | 2 m/s | 2.6 |
| 1989 | 18.9°C | 13.5°C | 8.1°C | 27.1°C | -1.6°C | 166 mm | 84% | 1.9 m/s | 2.3 |
| 1988 | 13.5°C | 7.9°C | 2.2°C | 22.4°C | -4.1°C | 43 mm | 81% | 2 m/s | 2.8 |
| 1987 | 14.3°C | 9.1°C | 4.0°C | 21.8°C | -3.5°C | 75 mm | 85% | 1.8 m/s | 2.9 |
| 1986 | 16.5°C | 10.6°C | 4.7°C | 23.3°C | -1.3°C | 28 mm | 81% | 1.7 m/s | 3.2 |
| 1985 ❄️ | 12.2°C | 6.7°C | 1.1°C | 23.3°C | -7.4°C | 75 mm | 81% | 2 m/s | 2.9 |
| 1984 | 12.5°C | 7.2°C | 2.0°C | 21.2°C | -6.5°C | 86 mm | 83% | 1.9 m/s | 2.6 |
| 1983 | 14.4°C | 9.0°C | 3.5°C | 21.4°C | -1.2°C | 72 mm | 85% | 1.7 m/s | — |
| 1982 | 16.2°C | 10.2°C | 4.2°C | 24.5°C | -9.8°C | 53 mm | 80% | 2.2 m/s | — |
| 1981 | 15.5°C | 9.5°C | 3.5°C | 22.3°C | -1.6°C | 70 mm | 76% | 1.6 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 16.2°C with lows near 4.9°C (mean 10.6°C), based on 45 years of NASA POWER data.
January averages 99 mm of rainfall in Spring, about average for rainfall. The wettest on record was 264 mm in 1991.
The hottest January reached 28.8°C in 2022. The coldest dipped to -9.8°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 2.3°C. Daytime highs moved from 14.2°C to 16.8°C and overnight lows from 2.9°C to 4.8°C over the same span.
January is one of the cooler months of the year in Spring and about average for rainfall, so plan for around 16.2°C daytime highs and 4.9°C at night.
Yes — January is the coldest month of the year in Spring, averaging 10.6°C.
For January in Spring, pack warm layers and a jacket for chilly mornings, with typical highs of 16.2°C and lows of 4.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 81% — quite humid.
Average wind speed in January is 2 m/s. The windiest January on record averaged 2.4 m/s (1996).
The wettest January on record was 1991 with 264 mm. On average, January sees 99 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 Spring 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.
