January is one of the warmer months of the year in Ouyen, with average highs near 33.9°C and lows around 17.2°C (mean 25.5°C). It is about average for rainfall, averaging 24 mm of rainfall and 37% relative humidity across the period.
January is one of the warmer months of the year in Ouyen. Across 45 years of records, the warmest Januarys in Ouyen were 1981 and 2019 — when the month averaged 29.2°C — while the coldest was 1987 at 22.2°C. Typical January days reach 33.9°C with nights near 17.2°C. The long-term trend is warming, about 0.5°C per decade.
January is about average for rainfall in Ouyen, averaging 24 mm of rainfall. The wettest January on record was 2011 with 143 mm, while the driest was 2009 at 0 mm.
Relative humidity in Ouyen during January averages 37%. The most humid January was 2011 at 59%, and the least humid was 2009 at 28%.
January receives about 7.9 kWh/m²/day of solar energy in Ouyen. The sunniest January was 2009 at 8.8 kWh/m²/day, and the cloudiest was 2016 at 7.3.
Average wind speed in Ouyen during January is 3.7 m/s. The windiest January was 1990 at 4.3 m/s, while the calmest was 2011 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.7°C | 25.1°C | 25.6°C | 26.4°C | 25.9°C | +1.2°C |
| Avg High | 33.3°C | 33.3°C | 34.1°C | 34.6°C | 34.1°C | +0.8°C |
| Avg Low | 16.2°C | 16.8°C | 17.2°C | 18.1°C | 17.8°C | +1.6°C |
| Avg Rain | 16 mm | 25 mm | 18 mm | 32 mm | 33 mm | +17 mm |
January temperatures in Ouyen have risen by about 0.5°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 8.2°C (1983) to a record high of 47.5°C (2001).
Rainfall in January is about average for rainfall, averaging 24 mm, with a wettest year of 143 mm.
A good time to visit Ouyen
January is a good time to visit Ouyen, with days averaging 33.9°C and nights around 17.2°C (mean 25.5°C, warmer than Ouyen's yearly average) and low rainfall. March and December 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 | 35.1°C | 26.8°C | 18.5°C | 44.8°C | 12.8°C | 6 mm | 34% | 3.7 m/s | 7.8 |
| 2024 | 33.0°C | 25.2°C | 17.5°C | 38.5°C | 11.4°C | 61 mm | 51% | 3.2 m/s | 7.5 |
| 2023 | 33.8°C | 25.6°C | 17.4°C | 41.6°C | 11.3°C | 33 mm | 41% | 3.3 m/s | 8 |
| 2022 | 35.5°C | 27.8°C | 20.1°C | 41.4°C | 15.2°C | 54 mm | 41% | 3.8 m/s | 7.8 |
| 2021 | 32.8°C | 24.6°C | 16.5°C | 42.9°C | 10.8°C | 29 mm | 42% | 3.8 m/s | 7.8 |
| 2020 | 34.4°C | 25.5°C | 16.7°C | 44.5°C | 11.3°C | 13 mm | 35% | 3.6 m/s | 7.8 |
| 2019 | 38.4°C | 29.2°C | 20.0°C | 47.2°C | 13.9°C | 3 mm | 28% | 3.5 m/s | 8.2 |
| 2018 | 36.3°C | 27.6°C | 19.0°C | 45.6°C | 10.8°C | 13 mm | 33% | 3.4 m/s | 7.9 |
| 2017 | 34.6°C | 26.2°C | 17.9°C | 43.1°C | 11.9°C | 38 mm | 38% | 3.5 m/s | 7.8 |
| 2016 | 33.7°C | 26.6°C | 19.4°C | 45.3°C | 12.4°C | 39 mm | 37% | 3.3 m/s | 7.3 |
| 2015 | 32.6°C | 25.2°C | 17.7°C | 44.0°C | 11.6°C | 42 mm | 43% | 3.9 m/s | 7.5 |
| 2014 | 36.1°C | 27.7°C | 19.2°C | 46.2°C | 10.3°C | 8 mm | 32% | 3.9 m/s | 8 |
| 2013 | 35.0°C | 25.9°C | 16.8°C | 44.5°C | 11.0°C | 5 mm | 29% | 3.9 m/s | 8.5 |
| 2012 | 33.6°C | 25.7°C | 17.8°C | 41.4°C | 9.7°C | 13 mm | 39% | 4.2 m/s | 8 |
| 2011 🌧️ | 31.0°C | 23.7°C | 16.3°C | 39.6°C | 10.8°C | 143 mm | 59% | 3 m/s | 7.7 |
| 2010 | 34.8°C | 25.8°C | 16.8°C | 44.7°C | 10.0°C | 12 mm | 32% | 3.5 m/s | 8.3 |
| 2009 | 35.6°C | 26.3°C | 17.0°C | 45.2°C | 8.7°C | 0 mm | 28% | 3.4 m/s | 8.8 |
| 2008 | 34.9°C | 26.5°C | 18.1°C | 42.9°C | 13.0°C | 35 mm | 37% | 3.6 m/s | 7.9 |
| 2007 | 32.8°C | 25.0°C | 17.3°C | 39.9°C | 11.2°C | 52 mm | 45% | 3.9 m/s | 7.5 |
| 2006 | 36.7°C | 28.3°C | 19.9°C | 43.7°C | 13.0°C | 26 mm | 34% | 3.7 m/s | 7.8 |
| 2005 | 32.6°C | 24.5°C | 16.3°C | 42.6°C | 9.3°C | 38 mm | 40% | 3.6 m/s | 7.7 |
| 2004 | 31.3°C | 23.0°C | 14.8°C | 42.2°C | 9.5°C | 4 mm | 38% | 3.9 m/s | 8.1 |
| 2003 | 34.6°C | 25.6°C | 16.6°C | 45.5°C | 10.2°C | 2 mm | 33% | 4 m/s | 8.1 |
| 2002 | 32.6°C | 23.8°C | 15.1°C | 41.5°C | 9.6°C | 6 mm | 34% | 3.7 m/s | 7.7 |
| 2001 | 37.7°C | 29.1°C | 20.4°C | 47.5°C | 13.6°C | 10 mm | 32% | 3.8 m/s | 7.6 |
| 2000 | 32.2°C | 24.1°C | 16.0°C | 44.0°C | 9.7°C | 2 mm | 37% | 4 m/s | 8.1 |
| 1999 | 37.2°C | 28.4°C | 19.7°C | 44.8°C | 12.9°C | 11 mm | 31% | 3.2 m/s | 8 |
| 1998 | 33.3°C | 25.4°C | 17.5°C | 44.5°C | 12.2°C | 20 mm | 39% | 3.8 m/s | 7.8 |
| 1997 | 33.7°C | 25.3°C | 16.9°C | 41.5°C | 11.4°C | 25 mm | 36% | 3.9 m/s | 7.8 |
| 1996 | 32.1°C | 23.9°C | 15.7°C | 42.9°C | 10.7°C | 10 mm | 39% | 3.5 m/s | 8 |
| 1995 | 33.9°C | 26.1°C | 18.4°C | 40.1°C | 10.4°C | 42 mm | 39% | 3.5 m/s | 7.5 |
| 1994 | 31.6°C | 22.9°C | 14.2°C | 42.5°C | 9.0°C | 7 mm | 39% | 4.1 m/s | 8 |
| 1993 | 32.1°C | 24.3°C | 16.4°C | 39.5°C | 9.7°C | 57 mm | 52% | 3.3 m/s | 7.6 |
| 1992 | 30.5°C | 22.4°C | 14.4°C | 41.2°C | 9.6°C | 2 mm | 38% | 4 m/s | 7.9 |
| 1991 | 34.0°C | 25.8°C | 17.6°C | 43.4°C | 12.9°C | 66 mm | 41% | 3.6 m/s | 7.7 |
| 1990 | 34.4°C | 26.0°C | 17.7°C | 47.0°C | 10.5°C | 7 mm | 33% | 4.3 m/s | 8.1 |
| 1989 | 32.2°C | 24.1°C | 16.0°C | 39.7°C | 10.5°C | 13 mm | 37% | 4.2 m/s | 8.2 |
| 1988 | 35.0°C | 26.3°C | 17.6°C | 44.1°C | 11.0°C | 27 mm | 34% | 3.7 m/s | 8.1 |
| 1987 ❄️ | 30.8°C | 22.2°C | 13.7°C | 41.9°C | 9.5°C | 14 mm | 40% | 3.7 m/s | 7.8 |
| 1986 | 31.3°C | 22.6°C | 13.8°C | 41.0°C | 10.6°C | 3 mm | 35% | 3.8 m/s | 8.5 |
| 1985 | 33.6°C | 24.8°C | 15.9°C | 44.2°C | 10.1°C | 9 mm | 31% | 3.9 m/s | 8.2 |
| 1984 | 30.6°C | 22.5°C | 14.5°C | 38.7°C | 9.8°C | 48 mm | 46% | 3.8 m/s | 7.5 |
| 1983 | 32.6°C | 23.7°C | 14.7°C | 44.5°C | 8.2°C | 2 mm | 29% | 3.7 m/s | — |
| 1982 | 35.3°C | 27.1°C | 18.8°C | 46.9°C | 12.0°C | 15 mm | 33% | 4 m/s | — |
| 1981 🔥 | 38.0°C | 29.2°C | 20.5°C | 44.7°C | 13.8°C | 12 mm | 29% | 3.7 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 33.9°C with lows near 17.2°C (mean 25.5°C), based on 45 years of NASA POWER data.
January averages 24 mm of rainfall in Ouyen, about average for rainfall. The wettest on record was 143 mm in 2011.
The hottest January reached 47.5°C in 2001. The coldest dipped to 8.2°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.5°C. Daytime highs moved from 34°C to 34°C and overnight lows from 16.9°C to 18°C over the same span.
January is one of the warmer months of the year in Ouyen and about average for rainfall, so plan for around 33.9°C daytime highs and 17.2°C at night.
Not quite — January is the 12th coolest month in Ouyen, averaging 25.5°C.
For January in Ouyen, pack light, breathable clothing and sun protection, with typical highs of 33.9°C and lows of 17.2°C.
Relative humidity in January averages 37% — relatively dry.
Average wind speed in January is 3.7 m/s. The windiest January on record averaged 4.3 m/s (1990).
The wettest January on record was 2011 with 143 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 Ouyen 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.
