January is one of the warmer months of the year in Bairnsdale, with average highs near 25°C and lows around 15.2°C (mean 20.1°C). It is about average for rainfall, averaging 59 mm of rainfall and 68% relative humidity across the period.
January is one of the warmer months of the year in Bairnsdale. Across 45 years of records, the warmest January in Bairnsdale was 2019 — when the month averaged 22.4°C — while the coldest was 1992 at 17.3°C. Typical January days reach 25°C with nights near 15.2°C. The long-term trend is warming, about 0.3°C per decade.
January is about average for rainfall in Bairnsdale, averaging 59 mm of rainfall. The wettest January on record was 2016 with 139 mm, while the driest was 2009 at 10 mm.
Relative humidity in Bairnsdale during January averages 68%. The most humid January was 2022 at 81%, and the least humid was 1983 at 59%.
January receives about 6.7 kWh/m²/day of solar energy in Bairnsdale. The sunniest January was 1985 at 7.9 kWh/m²/day, and the cloudiest was 2016 at 5.7.
Average wind speed in Bairnsdale during January is 2.9 m/s. The windiest Januarys were 1985, 2000 and 2002, among others at 3.2 m/s, while the calmest was 1993 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.6°C | 19.6°C | 20.3°C | 20.8°C | 20.2°C | +0.6°C |
| Avg High | 24.8°C | 24.3°C | 25.3°C | 25.8°C | 24.5°C | -0.3°C |
| Avg Low | 14.4°C | 14.9°C | 15.3°C | 15.8°C | 15.8°C | +1.4°C |
| Avg Rain | 52 mm | 70 mm | 41 mm | 53 mm | 88 mm | +36 mm |
January temperatures in Bairnsdale have risen by about 0.5°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 8.9°C (1987) to a record high of 41.2°C (2009).
Rainfall in January is about average for rainfall, averaging 59 mm, with a wettest year of 139 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.
One of the best times to visit Bairnsdale
January is one of the best times to visit Bairnsdale. Expect days averaging 25°C and nights around 15.2°C (mean 20.1°C) — warmer than Bairnsdale's yearly average — with moderate rainfall (59 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 25.3°C | 20.6°C | 16.0°C | 36.0°C | 12.9°C | 80 mm | 69% | 2.8 m/s | 6.6 |
| 2024 | 24.3°C | 20.0°C | 15.8°C | 30.7°C | 12.9°C | 80 mm | 76% | 2.6 m/s | 6.2 |
| 2023 | 24.4°C | 20.0°C | 15.6°C | 34.3°C | 12.5°C | 38 mm | 73% | 2.7 m/s | 6.3 |
| 2022 | 24.3°C | 20.6°C | 16.9°C | 32.7°C | 14.2°C | 136 mm | 81% | 2.8 m/s | 5.9 |
| 2021 | 24.4°C | 19.8°C | 15.2°C | 36.8°C | 11.5°C | 73 mm | 68% | 3.1 m/s | 6.4 |
| 2020 | 24.6°C | 19.9°C | 15.1°C | 38.8°C | 12.0°C | 120 mm | 71% | 2.6 m/s | 6.3 |
| 2019 🔥 | 27.8°C | 22.4°C | 17.0°C | 40.8°C | 12.3°C | 32 mm | 66% | 2.6 m/s | 6.7 |
| 2018 | 26.3°C | 21.4°C | 16.4°C | 38.4°C | 12.9°C | 74 mm | 69% | 2.7 m/s | 6.6 |
| 2017 | 26.1°C | 20.8°C | 15.5°C | 34.6°C | 12.9°C | 25 mm | 65% | 2.8 m/s | 7.2 |
| 2016 🌧️ | 24.3°C | 20.1°C | 15.8°C | 35.3°C | 12.3°C | 139 mm | 73% | 2.7 m/s | 5.7 |
| 2015 | 24.3°C | 19.8°C | 15.2°C | 34.6°C | 11.8°C | 76 mm | 70% | 3.1 m/s | 6 |
| 2014 | 26.0°C | 20.8°C | 15.7°C | 38.5°C | 11.9°C | 34 mm | 61% | 2.9 m/s | 7 |
| 2013 | 26.0°C | 20.4°C | 14.8°C | 37.6°C | 11.5°C | 15 mm | 61% | 3 m/s | 7 |
| 2012 | 25.2°C | 20.4°C | 15.6°C | 33.5°C | 10.9°C | 44 mm | 66% | 2.9 m/s | 6.9 |
| 2011 | 26.1°C | 21.3°C | 16.4°C | 36.4°C | 11.7°C | 50 mm | 70% | 2.6 m/s | 6.4 |
| 2010 | 25.8°C | 20.5°C | 15.3°C | 35.2°C | 11.0°C | 40 mm | 65% | 2.9 m/s | 7 |
| 2009 | 26.4°C | 20.6°C | 14.9°C | 41.2°C | 10.1°C | 10 mm | 61% | 2.7 m/s | 7.8 |
| 2008 | 25.5°C | 20.7°C | 16.0°C | 37.6°C | 12.3°C | 81 mm | 69% | 2.7 m/s | 6.9 |
| 2007 | 26.1°C | 21.1°C | 16.1°C | 36.8°C | 13.2°C | 15 mm | 63% | 3 m/s | 6.7 |
| 2006 | 26.3°C | 21.2°C | 16.1°C | 39.9°C | 11.9°C | 53 mm | 68% | 2.8 m/s | 6.5 |
| 2005 | 25.3°C | 20.1°C | 15.0°C | 33.3°C | 10.7°C | 46 mm | 68% | 2.8 m/s | 6.7 |
| 2004 | 24.1°C | 19.2°C | 14.2°C | 35.2°C | 10.7°C | 51 mm | 67% | 3 m/s | 6.8 |
| 2003 | 26.1°C | 20.5°C | 15.0°C | 39.1°C | 12.9°C | 12 mm | 60% | 2.9 m/s | 7 |
| 2002 | 23.5°C | 19.0°C | 14.5°C | 32.5°C | 11.2°C | 36 mm | 69% | 3.2 m/s | 6.2 |
| 2001 | 26.7°C | 21.7°C | 16.6°C | 38.3°C | 13.9°C | 54 mm | 66% | 2.7 m/s | 6 |
| 2000 | 22.8°C | 18.5°C | 14.3°C | 29.3°C | 10.3°C | 51 mm | 69% | 3.2 m/s | 6.3 |
| 1999 | 24.0°C | 20.0°C | 16.0°C | 33.9°C | 12.5°C | 109 mm | 79% | 2.9 m/s | 6.4 |
| 1998 | 25.5°C | 20.7°C | 15.8°C | 35.4°C | 12.3°C | 57 mm | 68% | 3 m/s | 6.6 |
| 1997 | 25.4°C | 20.1°C | 14.9°C | 37.2°C | 10.9°C | 42 mm | 64% | 2.7 m/s | 7 |
| 1996 | 22.8°C | 18.6°C | 14.5°C | 30.7°C | 11.4°C | 82 mm | 75% | 2.8 m/s | 6.5 |
| 1995 | 24.7°C | 20.2°C | 15.7°C | 33.7°C | 11.8°C | 117 mm | 72% | 2.7 m/s | 6.2 |
| 1994 | 24.0°C | 18.6°C | 13.3°C | 36.5°C | 10.1°C | 47 mm | 65% | 3 m/s | 7.2 |
| 1993 | 24.6°C | 19.8°C | 15.0°C | 33.7°C | 11.6°C | 59 mm | 72% | 2.4 m/s | 6.6 |
| 1992 ❄️ | 21.4°C | 17.3°C | 13.2°C | 33.2°C | 10.0°C | 56 mm | 70% | 3 m/s | 6.8 |
| 1991 | 24.9°C | 20.1°C | 15.4°C | 37.1°C | 12.1°C | 121 mm | 70% | 3 m/s | 7 |
| 1990 | 25.4°C | 20.2°C | 14.9°C | 37.8°C | 9.4°C | 11 mm | 62% | 3 m/s | 6.9 |
| 1989 | 23.7°C | 19.0°C | 14.4°C | 31.2°C | 11.1°C | 19 mm | 68% | 3 m/s | 7.1 |
| 1988 | 27.7°C | 22.2°C | 16.6°C | 37.2°C | 11.5°C | 40 mm | 62% | 2.6 m/s | 7 |
| 1987 | 24.4°C | 18.8°C | 13.2°C | 34.6°C | 8.9°C | 48 mm | 64% | 2.9 m/s | 7 |
| 1986 | 21.9°C | 17.5°C | 13.0°C | 31.6°C | 10.6°C | 63 mm | 70% | 3.1 m/s | 6.5 |
| 1985 | 23.8°C | 18.8°C | 13.7°C | 36.3°C | 10.8°C | 31 mm | 61% | 3.2 m/s | 7.9 |
| 1984 | 23.3°C | 18.5°C | 13.8°C | 29.4°C | 10.7°C | 87 mm | 67% | 3.1 m/s | 6.2 |
| 1983 | 24.0°C | 18.4°C | 12.8°C | 33.7°C | 9.7°C | 29 mm | 59% | 3.2 m/s | — |
| 1982 | 26.9°C | 21.3°C | 15.7°C | 40.7°C | 11.1°C | 88 mm | 61% | 2.8 m/s | — |
| 1981 | 27.1°C | 21.7°C | 16.4°C | 39.9°C | 13.0°C | 63 mm | 66% | 2.7 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 25°C with lows near 15.2°C (mean 20.1°C), based on 45 years of NASA POWER data.
January averages 59 mm of rainfall in Bairnsdale, about average for rainfall. The wettest on record was 139 mm in 2016.
The hottest January reached 41.2°C in 2009. The coldest dipped to 8.9°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.5°C — but days and nights have moved in opposite directions. Overnight lows rose from 14.5°C to 15.9°C while daytime highs eased from 25°C to 24.5°C, narrowing the gap between day and night.
January is one of the warmer months of the year in Bairnsdale and about average for rainfall, so plan for around 25°C daytime highs and 15.2°C at night.
Not quite — January is the 11th coolest month in Bairnsdale, averaging 20.1°C.
For January in Bairnsdale, pack light layers you can adjust through the day, with typical highs of 25°C and lows of 15.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 68% — moderately humid.
Average wind speed in January is 2.9 m/s. The windiest January on record averaged 3.2 m/s (1983).
The wettest January on record was 2016 with 139 mm. On average, January sees 59 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 Bairnsdale 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.
