January is one of the warmer months of the year in Deniliquin, with average highs near 33.6°C and lows around 17.1°C (mean 25.4°C). It is about average for rainfall, averaging 33 mm of rainfall and 41% relative humidity across the period.
January is one of the warmer months of the year in Deniliquin. Across 45 years of records, the warmest January in Deniliquin was 2019 — when the month averaged 29.5°C — while the coldest was 1992 at 21.9°C. Typical January days reach 33.6°C with nights near 17.1°C. The long-term trend is warming, about 0.4°C per decade.
January is about average for rainfall in Deniliquin, averaging 33 mm of rainfall. The wettest January on record was 2024 with 108 mm, while the driest was 2003 at 0 mm.
Relative humidity in Deniliquin during January averages 41%. The most humid January was 2024 at 60%, and the least humid was 1983 at 31%.
January receives about 7.9 kWh/m²/day of solar energy in Deniliquin. The sunniest January was 2009 at 8.7 kWh/m²/day, and the cloudiest was 2016 at 7.
Average wind speed in Deniliquin during January is 3.1 m/s. The windiest Januarys were 1990, 2003 and 2014 at 3.5 m/s, while the calmest was 2023 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.6°C | 24.9°C | 25.6°C | 26.2°C | 25.4°C | +0.8°C |
| Avg High | 33.0°C | 32.9°C | 34.1°C | 34.4°C | 33.3°C | +0.3°C |
| Avg Low | 16.1°C | 16.9°C | 17.2°C | 17.9°C | 17.4°C | +1.3°C |
| Avg Rain | 28 mm | 32 mm | 17 mm | 41 mm | 57 mm | +29 mm |
January temperatures in Deniliquin have stayed relatively stable across the record.
January has ranged from a record low of 7.9°C (2009) to a record high of 48.1°C (1990).
Rainfall in January is about average for rainfall, averaging 33 mm, with a wettest year of 108 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Deniliquin
January is a good time to visit Deniliquin, with days averaging 33.6°C and nights around 17.1°C (mean 25.4°C, warmer than Deniliquin's yearly average) and moderate 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 | 34.6°C | 26.1°C | 17.6°C | 42.8°C | 12.4°C | 22 mm | 39% | 3.1 m/s | 7.8 |
| 2024 🌧️ | 31.3°C | 24.3°C | 17.3°C | 37.0°C | 11.1°C | 108 mm | 60% | 2.8 m/s | 7.4 |
| 2023 | 32.7°C | 24.7°C | 16.6°C | 39.2°C | 11.2°C | 27 mm | 50% | 2.6 m/s | 7.7 |
| 2022 | 33.9°C | 26.6°C | 19.3°C | 39.9°C | 15.5°C | 86 mm | 53% | 2.7 m/s | 7.5 |
| 2021 | 32.8°C | 25.0°C | 17.1°C | 42.1°C | 11.6°C | 63 mm | 42% | 3.3 m/s | 7.7 |
| 2020 | 34.2°C | 25.5°C | 16.7°C | 45.6°C | 10.4°C | 36 mm | 41% | 3 m/s | 7.8 |
| 2019 🔥 | 38.4°C | 29.5°C | 20.7°C | 46.5°C | 13.0°C | 15 mm | 32% | 2.9 m/s | 8 |
| 2018 | 36.3°C | 27.7°C | 19.1°C | 45.3°C | 10.2°C | 28 mm | 38% | 2.9 m/s | 7.7 |
| 2017 | 34.5°C | 25.8°C | 17.1°C | 42.5°C | 11.5°C | 37 mm | 42% | 3.1 m/s | 7.8 |
| 2016 | 32.7°C | 25.6°C | 18.4°C | 45.6°C | 12.0°C | 88 mm | 45% | 2.8 m/s | 7 |
| 2015 | 31.7°C | 24.5°C | 17.3°C | 42.0°C | 10.9°C | 77 mm | 50% | 3.1 m/s | 7.2 |
| 2014 | 35.4°C | 26.9°C | 18.4°C | 45.6°C | 10.6°C | 10 mm | 35% | 3.5 m/s | 8 |
| 2013 | 35.4°C | 26.1°C | 16.9°C | 47.0°C | 11.5°C | 4 mm | 31% | 3.3 m/s | 8.5 |
| 2012 | 33.1°C | 25.3°C | 17.6°C | 41.9°C | 9.1°C | 39 mm | 41% | 3.4 m/s | 7.9 |
| 2011 | 31.7°C | 24.4°C | 17.0°C | 39.8°C | 11.2°C | 96 mm | 58% | 2.8 m/s | 7.6 |
| 2010 | 34.8°C | 25.8°C | 16.7°C | 45.1°C | 10.0°C | 19 mm | 36% | 3.3 m/s | 8.4 |
| 2009 | 35.8°C | 26.5°C | 17.2°C | 44.8°C | 7.9°C | 1 mm | 31% | 2.8 m/s | 8.7 |
| 2008 | 34.8°C | 26.2°C | 17.5°C | 41.7°C | 12.9°C | 44 mm | 43% | 3.1 m/s | 7.8 |
| 2007 | 33.5°C | 25.8°C | 18.0°C | 41.6°C | 10.9°C | 25 mm | 40% | 3.4 m/s | 7.6 |
| 2006 | 36.9°C | 28.3°C | 19.6°C | 43.5°C | 12.8°C | 16 mm | 35% | 3.3 m/s | 7.9 |
| 2005 | 32.8°C | 24.7°C | 16.7°C | 40.0°C | 8.9°C | 23 mm | 42% | 3 m/s | 7.6 |
| 2004 | 31.9°C | 23.4°C | 15.0°C | 40.2°C | 9.8°C | 7 mm | 39% | 3 m/s | 8.3 |
| 2003 | 34.8°C | 25.7°C | 16.6°C | 43.7°C | 10.8°C | 0 mm | 34% | 3.5 m/s | 8.1 |
| 2002 | 32.7°C | 24.0°C | 15.3°C | 41.8°C | 10.1°C | 14 mm | 36% | 3.2 m/s | 7.9 |
| 2001 | 37.4°C | 28.9°C | 20.5°C | 46.9°C | 13.8°C | 29 mm | 34% | 3 m/s | 7.8 |
| 2000 | 30.7°C | 22.9°C | 15.2°C | 39.1°C | 8.8°C | 11 mm | 44% | 3.4 m/s | 8 |
| 1999 | 36.7°C | 28.5°C | 20.2°C | 44.4°C | 13.8°C | 32 mm | 38% | 2.8 m/s | 7.7 |
| 1998 | 33.4°C | 25.8°C | 18.2°C | 42.6°C | 13.2°C | 20 mm | 39% | 3 m/s | 7.8 |
| 1997 | 33.7°C | 25.4°C | 17.0°C | 41.0°C | 10.3°C | 33 mm | 39% | 3.2 m/s | 7.9 |
| 1996 | 32.2°C | 24.3°C | 16.4°C | 41.9°C | 10.5°C | 27 mm | 43% | 2.9 m/s | 7.9 |
| 1995 | 32.1°C | 24.9°C | 17.7°C | 40.0°C | 10.0°C | 80 mm | 49% | 3 m/s | 7.3 |
| 1994 | 32.0°C | 23.4°C | 14.8°C | 43.0°C | 8.7°C | 9 mm | 39% | 3.4 m/s | 8 |
| 1993 | 31.4°C | 23.8°C | 16.2°C | 39.4°C | 10.0°C | 50 mm | 59% | 2.7 m/s | 7.8 |
| 1992 ❄️ | 30.0°C | 21.9°C | 13.8°C | 41.1°C | 9.1°C | 9 mm | 42% | 3.2 m/s | 8.1 |
| 1991 | 33.8°C | 25.6°C | 17.4°C | 41.7°C | 11.6°C | 46 mm | 43% | 3.2 m/s | 7.8 |
| 1990 | 33.9°C | 25.6°C | 17.2°C | 48.1°C | 10.0°C | 16 mm | 36% | 3.5 m/s | 7.7 |
| 1989 | 30.7°C | 22.6°C | 14.5°C | 38.0°C | 9.9°C | 18 mm | 46% | 3.4 m/s | 8.2 |
| 1988 | 35.5°C | 26.8°C | 18.0°C | 44.5°C | 10.9°C | 39 mm | 36% | 3.1 m/s | 8.3 |
| 1987 | 31.1°C | 22.9°C | 14.7°C | 41.4°C | 9.1°C | 14 mm | 37% | 3 m/s | 8 |
| 1986 | 31.4°C | 22.7°C | 14.0°C | 39.4°C | 10.5°C | 1 mm | 38% | 3.3 m/s | 8.6 |
| 1985 | 33.2°C | 24.5°C | 15.8°C | 44.3°C | 9.9°C | 11 mm | 33% | 3.4 m/s | 8.3 |
| 1984 | 29.7°C | 22.1°C | 14.4°C | 35.9°C | 8.5°C | 93 mm | 52% | 3.3 m/s | 7.3 |
| 1983 | 32.6°C | 23.5°C | 14.5°C | 43.8°C | 8.8°C | 2 mm | 31% | 3.3 m/s | — |
| 1982 | 35.0°C | 27.0°C | 18.9°C | 46.7°C | 11.5°C | 33 mm | 35% | 3.4 m/s | — |
| 1981 | 37.8°C | 29.0°C | 20.2°C | 44.3°C | 13.8°C | 45 mm | 32% | 3.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 33.6°C with lows near 17.1°C (mean 25.4°C), based on 45 years of NASA POWER data.
January averages 33 mm of rainfall in Deniliquin, about average for rainfall. The wettest on record was 108 mm in 2024.
The hottest January reached 48.1°C in 1990. The coldest dipped to 7.9°C in 2009.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 16.8°C to 17.6°C while daytime highs eased from 33.7°C to 33.1°C, narrowing the gap between day and night.
January is one of the warmer months of the year in Deniliquin and about average for rainfall, so plan for around 33.6°C daytime highs and 17.1°C at night.
Not quite — January is the 12th coolest month in Deniliquin, averaging 25.4°C.
For January in Deniliquin, pack light, breathable clothing and sun protection, with typical highs of 33.6°C and lows of 17.1°C.
Relative humidity in January averages 41% — relatively dry.
Average wind speed in January is 3.1 m/s. The windiest January on record averaged 3.5 m/s (1990).
The wettest January on record was 2024 with 108 mm. On average, January sees 33 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 Deniliquin 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.
