January is one of the warmer months of the year in Southern Cross, with average highs near 35.8°C and lows around 18.1°C (mean 27°C). It is about average for rainfall, averaging 24 mm of rainfall and 35% relative humidity across the period.
January is one of the warmer months of the year in Southern Cross. Across 45 years of records, the warmest January in Southern Cross was 2025 — when the month averaged 30.2°C — while the coldest was 2000 at 24.7°C. Typical January days reach 35.8°C with nights near 18.1°C. The long-term trend is warming, about 0.3°C per decade.
January is about average for rainfall in Southern Cross, averaging 24 mm of rainfall. The wettest January on record was 2000 with 115 mm, while the driest were 1996 and 2005 at 0 mm.
Relative humidity in Southern Cross during January averages 35%. The most humid January was 2006 at 47%, and the least humid was 1998 at 27%.
January receives about 8.2 kWh/m²/day of solar energy in Southern Cross. The sunniest Januarys were 1991, 1994 and 2019 at 8.9 kWh/m²/day, and the cloudiest was 2001 at 7.1.
Average wind speed in Southern Cross during January is 4.1 m/s. The windiest January was 2021 at 4.6 m/s, while the calmest was 1993 at 3.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.4°C | 27.0°C | 26.7°C | 27.2°C | 27.8°C | +1.4°C |
| Avg High | 35.4°C | 36.1°C | 35.6°C | 35.8°C | 36.7°C | +1.3°C |
| Avg Low | 17.4°C | 18.0°C | 17.8°C | 18.6°C | 18.9°C | +1.5°C |
| Avg Rain | 12 mm | 12 mm | 45 mm | 35 mm | 6 mm | -6 mm |
January temperatures in Southern Cross have risen by about 1.5°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 8.4°C (1990) to a record high of 46.3°C (2015).
Rainfall in January is about average for rainfall, averaging 24 mm, with a wettest year of 115 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Southern Cross
January is a good time to visit Southern Cross, with days averaging 35.8°C and nights around 18.1°C (mean 27°C, warmer than Southern Cross's yearly average) and low rainfall. November and March are marginally more temperate, but January still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🔥 | 39.0°C | 30.2°C | 21.3°C | 45.2°C | 14.2°C | 3 mm | 30% | 4.2 m/s | 8.3 |
| 2024 | 37.7°C | 28.7°C | 19.6°C | 44.5°C | 14.4°C | 12 mm | 35% | 4.2 m/s | 8 |
| 2023 | 35.9°C | 26.9°C | 17.8°C | 41.9°C | 13.0°C | 7 mm | 34% | 4.3 m/s | 8.1 |
| 2022 | 37.0°C | 27.8°C | 18.5°C | 43.8°C | 12.9°C | 4 mm | 33% | 4.2 m/s | 8.7 |
| 2021 | 34.4°C | 26.0°C | 17.7°C | 41.8°C | 13.5°C | 5 mm | 34% | 4.6 m/s | 8.2 |
| 2020 | 36.0°C | 27.3°C | 18.7°C | 45.4°C | 10.6°C | 4 mm | 32% | 3.8 m/s | 8.5 |
| 2019 | 37.0°C | 27.7°C | 18.4°C | 44.9°C | 13.5°C | 1 mm | 31% | 4 m/s | 8.9 |
| 2018 | 35.5°C | 27.2°C | 18.8°C | 42.2°C | 13.0°C | 31 mm | 39% | 4.5 m/s | 8 |
| 2017 | 35.3°C | 26.5°C | 17.6°C | 43.5°C | 11.4°C | 61 mm | 34% | 3.8 m/s | 8.3 |
| 2016 | 33.9°C | 26.3°C | 18.7°C | 40.6°C | 13.1°C | 60 mm | 44% | 3.9 m/s | 7.2 |
| 2015 | 36.6°C | 27.5°C | 18.4°C | 46.3°C | 12.4°C | 1 mm | 30% | 4.3 m/s | 8.3 |
| 2014 | 36.0°C | 27.5°C | 18.9°C | 44.8°C | 13.5°C | 60 mm | 40% | 4.5 m/s | 7.9 |
| 2013 | 35.6°C | 27.2°C | 18.9°C | 45.3°C | 12.0°C | 50 mm | 39% | 3.9 m/s | 7.8 |
| 2012 | 33.3°C | 25.8°C | 18.2°C | 39.9°C | 11.7°C | 22 mm | 46% | 4.1 m/s | 7.7 |
| 2011 | 36.4°C | 28.0°C | 19.6°C | 44.2°C | 13.9°C | 56 mm | 41% | 4 m/s | 8 |
| 2010 | 38.2°C | 28.5°C | 18.9°C | 44.9°C | 13.3°C | 6 mm | 29% | 4.2 m/s | 8.8 |
| 2009 | 37.7°C | 28.6°C | 19.5°C | 43.3°C | 14.2°C | 35 mm | 38% | 4.3 m/s | 7.9 |
| 2008 | 37.7°C | 28.5°C | 19.3°C | 44.6°C | 13.6°C | 8 mm | 35% | 4.5 m/s | 8.3 |
| 2007 | 34.7°C | 25.6°C | 16.5°C | 42.8°C | 10.2°C | 32 mm | 35% | 3.9 m/s | 8 |
| 2006 | 34.4°C | 25.9°C | 17.5°C | 42.4°C | 10.0°C | 88 mm | 47% | 4.4 m/s | 7.4 |
| 2005 | 36.2°C | 26.4°C | 16.6°C | 43.1°C | 11.5°C | 0 mm | 29% | 4 m/s | 8.6 |
| 2004 | 37.0°C | 27.5°C | 18.1°C | 43.0°C | 13.4°C | 34 mm | 39% | 4.2 m/s | 8.3 |
| 2003 | 35.0°C | 26.1°C | 17.1°C | 43.5°C | 10.6°C | 7 mm | 33% | 4.4 m/s | 8.4 |
| 2002 | 34.8°C | 26.0°C | 17.1°C | 41.3°C | 10.2°C | 19 mm | 34% | 3.9 m/s | 8.1 |
| 2001 | 36.3°C | 27.9°C | 19.4°C | 43.0°C | 10.6°C | 112 mm | 40% | 3.9 m/s | 7.1 |
| 2000 ❄️ 🌧️ | 32.4°C | 24.7°C | 17.0°C | 37.2°C | 12.7°C | 115 mm | 47% | 4.1 m/s | 7.5 |
| 1999 | 36.5°C | 27.7°C | 19.0°C | 43.7°C | 11.6°C | 31 mm | 41% | 4.5 m/s | 7.9 |
| 1998 | 37.5°C | 28.0°C | 18.5°C | 43.3°C | 12.9°C | 3 mm | 27% | 3.8 m/s | 8.8 |
| 1997 | 36.3°C | 26.9°C | 17.5°C | 44.3°C | 11.0°C | 0 mm | 31% | 4.4 m/s | 8.6 |
| 1996 | 35.0°C | 25.6°C | 16.1°C | 42.5°C | 9.7°C | 0 mm | 33% | 4.3 m/s | 8.8 |
| 1995 | 36.4°C | 27.8°C | 19.2°C | 42.0°C | 13.0°C | 22 mm | 37% | 4.4 m/s | 8.1 |
| 1994 | 36.0°C | 26.2°C | 16.5°C | 45.1°C | 13.2°C | 3 mm | 32% | 4.2 m/s | 8.9 |
| 1993 | 37.9°C | 28.5°C | 19.1°C | 44.1°C | 12.5°C | 3 mm | 28% | 3.7 m/s | 8.5 |
| 1992 | 34.2°C | 26.0°C | 17.8°C | 42.2°C | 13.4°C | 2 mm | 33% | 3.8 m/s | 8.2 |
| 1991 | 36.5°C | 27.3°C | 18.1°C | 43.4°C | 11.4°C | 13 mm | 31% | 4.1 m/s | 8.9 |
| 1990 | 34.5°C | 26.3°C | 18.1°C | 43.3°C | 8.4°C | 45 mm | 39% | 4.3 m/s | 7.8 |
| 1989 | 33.5°C | 25.1°C | 16.7°C | 42.3°C | 9.1°C | 8 mm | 35% | 4.3 m/s | 8.1 |
| 1988 | 35.0°C | 25.9°C | 16.8°C | 43.2°C | 8.5°C | 1 mm | 31% | 3.9 m/s | 8.8 |
| 1987 | 35.5°C | 26.3°C | 17.1°C | 42.0°C | 12.2°C | 11 mm | 33% | 4.2 m/s | 8.3 |
| 1986 | 37.0°C | 27.9°C | 18.9°C | 43.7°C | 12.4°C | 7 mm | 28% | 4 m/s | 8.6 |
| 1985 | 36.6°C | 27.2°C | 17.7°C | 44.5°C | 11.8°C | 24 mm | 30% | 4.2 m/s | 8.8 |
| 1984 | 35.0°C | 26.0°C | 17.0°C | 41.3°C | 11.9°C | 7 mm | 34% | 3.9 m/s | 8.8 |
| 1983 | 35.9°C | 26.9°C | 17.9°C | 43.0°C | 11.5°C | 10 mm | 30% | 3.9 m/s | — |
| 1982 | 34.7°C | 26.1°C | 17.5°C | 38.8°C | 10.4°C | 18 mm | 37% | 4.2 m/s | — |
| 1981 | 35.0°C | 26.0°C | 16.9°C | 42.4°C | 10.5°C | 22 mm | 35% | 4.4 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 35.8°C with lows near 18.1°C (mean 27°C), based on 45 years of NASA POWER data.
January averages 24 mm of rainfall in Southern Cross, about average for rainfall. The wettest on record was 115 mm in 2000.
The hottest January reached 46.3°C in 2015. The coldest dipped to 8.4°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.5°C. Daytime highs moved from 35.4°C to 36.8°C and overnight lows from 17.4°C to 19°C over the same span.
January is one of the warmer months of the year in Southern Cross and about average for rainfall, so plan for around 35.8°C daytime highs and 18.1°C at night.
Not quite — January is the 12th coolest month in Southern Cross, averaging 27°C.
For January in Southern Cross, pack light, breathable clothing and sun protection, with typical highs of 35.8°C and lows of 18.1°C.
Relative humidity in January averages 35% — relatively dry.
Average wind speed in January is 4.1 m/s. The windiest January on record averaged 4.6 m/s (2021).
The wettest January on record was 2000 with 115 mm. On average, January sees 24 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 Southern Cross 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.
