January is one of the warmer months of the year in Woomera, with average highs near 36.9°C and lows around 20°C (mean 28.5°C). It is about average for rainfall, averaging 15 mm of rainfall and 32% relative humidity across the period.
January is one of the warmer months of the year in Woomera. Across 45 years of records, the warmest January in Woomera was 2001 — when the month averaged 32.7°C — while the coldest was 1992 at 24.9°C. Typical January days reach 36.9°C with nights near 20°C. The long-term trend is warming, about 0.5°C per decade.
January is about average for rainfall in Woomera, averaging 15 mm of rainfall. The wettest January on record was 2007 with 95 mm, while the driest were 2017, 2018 and 2019, among others at 0 mm.
Relative humidity in Woomera during January averages 32%. The most humid January was 1993 at 47%, and the least humid was 1986 at 25%.
January receives about 7.8 kWh/m²/day of solar energy in Woomera. The sunniest January was 2009 at 8.6 kWh/m²/day, and the cloudiest was 2022 at 7.
Average wind speed in Woomera during January is 4 m/s. The windiest Januarys were 1992 and 1994 at 4.6 m/s, while the calmest was 2001 at 3.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.6°C | 27.6°C | 28.9°C | 29.5°C | 28.5°C | +0.9°C |
| Avg High | 36.3°C | 36.1°C | 37.5°C | 37.8°C | 36.7°C | +0.4°C |
| Avg Low | 19.0°C | 19.2°C | 20.3°C | 21.2°C | 20.4°C | +1.4°C |
| Avg Rain | 13 mm | 16 mm | 17 mm | 12 mm | 20 mm | +7 mm |
January temperatures in Woomera have risen by about 0.7°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 10.8°C (1983) to a record high of 48.4°C (2011).
Rainfall in January is about average for rainfall, averaging 15 mm, with a wettest year of 95 mm.
A quieter season to visit Woomera
If your dates are flexible, the more temperate months of November and April tend to be the most comfortable for visiting Woomera. That said, January — with days averaging 36.9°C and nights around 20°C (mean 28.5°C) and low rainfall (15 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 38.4°C | 29.6°C | 20.8°C | 45.1°C | 15.8°C | 1 mm | 25% | 4.1 m/s | 8.1 |
| 2024 | 38.2°C | 29.9°C | 21.7°C | 46.4°C | 15.1°C | 28 mm | 35% | 3.7 m/s | 7.3 |
| 2023 | 37.1°C | 29.0°C | 20.8°C | 43.8°C | 14.6°C | 20 mm | 33% | 3.6 m/s | 7.1 |
| 2022 | 35.3°C | 28.1°C | 20.9°C | 42.9°C | 15.0°C | 26 mm | 44% | 4 m/s | 7 |
| 2021 | 35.0°C | 27.1°C | 19.1°C | 43.5°C | 13.7°C | 38 mm | 37% | 3.9 m/s | 7.6 |
| 2020 | 35.9°C | 27.5°C | 19.1°C | 44.9°C | 13.4°C | 9 mm | 33% | 4.4 m/s | 8 |
| 2019 | 40.6°C | 31.7°C | 22.7°C | 48.2°C | 16.0°C | 0 mm | 25% | 4.1 m/s | 7.6 |
| 2018 | 38.9°C | 30.5°C | 22.0°C | 46.6°C | 14.8°C | 0 mm | 26% | 4.2 m/s | 7.3 |
| 2017 | 38.9°C | 30.7°C | 22.6°C | 44.5°C | 15.7°C | 0 mm | 31% | 3.8 m/s | 7.3 |
| 2016 | 35.8°C | 28.0°C | 20.3°C | 43.4°C | 14.1°C | 21 mm | 36% | 3.8 m/s | 7.4 |
| 2015 | 34.1°C | 26.5°C | 18.8°C | 44.5°C | 13.0°C | 75 mm | 44% | 4 m/s | 7.6 |
| 2014 | 38.4°C | 30.0°C | 21.6°C | 46.4°C | 13.3°C | 7 mm | 27% | 4 m/s | 7.6 |
| 2013 | 38.0°C | 29.0°C | 19.9°C | 46.5°C | 13.4°C | 3 mm | 27% | 4.4 m/s | 8.5 |
| 2012 | 36.0°C | 28.4°C | 20.8°C | 43.0°C | 13.5°C | 8 mm | 33% | 4.1 m/s | 7.4 |
| 2011 | 39.3°C | 30.9°C | 22.4°C | 48.4°C | 15.7°C | 4 mm | 29% | 3.7 m/s | 7.6 |
| 2010 | 37.8°C | 29.2°C | 20.7°C | 43.2°C | 14.4°C | 4 mm | 26% | 3.9 m/s | 8 |
| 2009 | 38.4°C | 29.1°C | 19.7°C | 44.9°C | 13.6°C | 7 mm | 25% | 3.8 m/s | 8.6 |
| 2008 | 38.7°C | 29.6°C | 20.4°C | 43.7°C | 16.1°C | 2 mm | 28% | 4 m/s | 8.2 |
| 2007 🌧️ | 35.1°C | 27.2°C | 19.4°C | 43.7°C | 12.5°C | 95 mm | 41% | 3.9 m/s | 7.9 |
| 2006 | 40.7°C | 32.6°C | 24.4°C | 45.6°C | 18.2°C | 12 mm | 31% | 4.1 m/s | 7.4 |
| 2005 | 36.6°C | 27.6°C | 18.7°C | 43.6°C | 13.5°C | 15 mm | 33% | 4.3 m/s | 7.8 |
| 2004 | 35.2°C | 26.8°C | 18.5°C | 45.9°C | 13.7°C | 2 mm | 33% | 4.3 m/s | 7.8 |
| 2003 | 38.3°C | 29.2°C | 20.2°C | 46.5°C | 13.0°C | 10 mm | 25% | 4.1 m/s | 8.1 |
| 2002 | 35.2°C | 26.5°C | 17.7°C | 42.7°C | 11.8°C | 3 mm | 30% | 3.6 m/s | 7.9 |
| 2001 🔥 | 41.1°C | 32.7°C | 24.4°C | 46.3°C | 17.4°C | 27 mm | 27% | 3.5 m/s | 8.3 |
| 2000 | 35.2°C | 27.2°C | 19.3°C | 44.9°C | 12.2°C | 2 mm | 27% | 4 m/s | 7.9 |
| 1999 | 39.6°C | 30.9°C | 22.3°C | 45.9°C | 16.5°C | 2 mm | 28% | 4.1 m/s | 8.1 |
| 1998 | 35.8°C | 27.7°C | 19.6°C | 45.8°C | 14.8°C | 29 mm | 38% | 3.9 m/s | 8 |
| 1997 | 36.2°C | 27.7°C | 19.1°C | 40.4°C | 14.7°C | 27 mm | 32% | 4.1 m/s | 8.3 |
| 1996 | 35.1°C | 26.1°C | 17.1°C | 45.6°C | 11.2°C | 0 mm | 32% | 4.3 m/s | 8.3 |
| 1995 | 36.2°C | 28.1°C | 20.0°C | 41.7°C | 12.8°C | 29 mm | 35% | 3.6 m/s | 7.5 |
| 1994 | 35.7°C | 26.6°C | 17.5°C | 44.2°C | 12.7°C | 1 mm | 32% | 4.6 m/s | 7.9 |
| 1993 | 35.2°C | 26.8°C | 18.5°C | 41.8°C | 12.3°C | 25 mm | 47% | 3.6 m/s | 7.8 |
| 1992 ❄️ | 33.3°C | 24.9°C | 16.5°C | 41.2°C | 11.4°C | 1 mm | 34% | 4.6 m/s | 7.9 |
| 1991 | 37.8°C | 29.4°C | 21.1°C | 44.8°C | 13.8°C | 10 mm | 30% | 3.9 m/s | 8.2 |
| 1990 | 36.4°C | 28.1°C | 19.8°C | 47.9°C | 14.6°C | 34 mm | 36% | 4.2 m/s | 7.3 |
| 1989 | 35.0°C | 26.4°C | 17.9°C | 41.3°C | 11.3°C | 0 mm | 30% | 4.5 m/s | 7.7 |
| 1988 | 37.9°C | 28.7°C | 19.6°C | 47.2°C | 13.6°C | 3 mm | 26% | 4.3 m/s | 7.8 |
| 1987 | 35.4°C | 26.6°C | 17.8°C | 42.9°C | 11.9°C | 34 mm | 33% | 4 m/s | 7.6 |
| 1986 | 36.1°C | 26.7°C | 17.2°C | 43.1°C | 12.6°C | 0 mm | 25% | 4 m/s | 8.4 |
| 1985 | 36.8°C | 27.8°C | 18.8°C | 44.2°C | 14.2°C | 3 mm | 27% | 4 m/s | 7.4 |
| 1984 | 33.9°C | 26.1°C | 18.4°C | 41.9°C | 12.0°C | 20 mm | 37% | 4.3 m/s | 7.6 |
| 1983 | 35.5°C | 26.7°C | 17.9°C | 44.0°C | 10.8°C | 0 mm | 27% | 4 m/s | — |
| 1982 | 37.3°C | 28.8°C | 20.4°C | 46.7°C | 14.7°C | 13 mm | 29% | 4.1 m/s | — |
| 1981 | 38.4°C | 30.6°C | 22.8°C | 44.0°C | 16.9°C | 47 mm | 32% | 3.9 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 36.9°C with lows near 20°C (mean 28.5°C), based on 45 years of NASA POWER data.
January averages 15 mm of rainfall in Woomera, about average for rainfall. The wettest on record was 95 mm in 2007.
The hottest January reached 48.4°C in 2011. The coldest dipped to 10.8°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.7°C. Daytime highs moved from 36.4°C to 36.8°C and overnight lows from 19.7°C to 20.7°C over the same span.
January is one of the warmer months of the year in Woomera and about average for rainfall, so plan for around 36.9°C daytime highs and 20°C at night.
Not quite — January is the 12th coolest month in Woomera, averaging 28.5°C.
For January in Woomera, pack light, breathable clothing and sun protection, with typical highs of 36.9°C and lows of 20°C.
Relative humidity in January averages 32% — relatively dry.
Average wind speed in January is 4 m/s. The windiest January on record averaged 4.6 m/s (1992).
The wettest January on record was 2007 with 95 mm. On average, January sees 15 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 Woomera 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.
