January is one of the warmer months of the year in Barwon Heads, with average highs near 26.1°C and lows around 14°C (mean 20.1°C). It is about average for rainfall, averaging 47 mm of rainfall and 63% relative humidity across the period.
January is one of the warmer months of the year in Barwon Heads. Across 45 years of records, the warmest January in Barwon Heads was 2022 — when the month averaged 22.6°C — while the coldest was 1992 at 16.9°C. Typical January days reach 26.1°C with nights near 14°C. The long-term trend is warming, about 0.4°C per decade.
January is about average for rainfall in Barwon Heads, averaging 47 mm of rainfall. The wettest January on record was 2011 with 142 mm, while the driest was 2009 at 3 mm.
Relative humidity in Barwon Heads during January averages 63%. The most humid January was 2024 at 73%, and the least humid was 1982 at 54%.
January receives about 7 kWh/m²/day of solar energy in Barwon Heads. The sunniest January was 2009 at 7.9 kWh/m²/day, and the cloudiest was 2020 at 6.3.
Average wind speed in Barwon Heads during January is 3.8 m/s. The windiest Januarys were 1997 and 2012 at 4.3 m/s, while the calmest was 1993 at 3.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.5°C | 19.5°C | 20.1°C | 20.7°C | 20.6°C | +1.1°C |
| Avg High | 25.8°C | 25.5°C | 26.2°C | 26.9°C | 26.4°C | +0.6°C |
| Avg Low | 13.3°C | 13.6°C | 14.0°C | 14.6°C | 14.8°C | +1.5°C |
| Avg Rain | 43 mm | 51 mm | 31 mm | 44 mm | 78 mm | +35 mm |
January temperatures in Barwon Heads have risen by about 0.6°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 7.5°C (1987) to a record high of 43.2°C (1982).
Rainfall in January is about average for rainfall, averaging 47 mm, with a wettest year of 142 mm.
One of the best times to visit Barwon Heads
January is one of the best times to visit Barwon Heads. Expect days averaging 26.1°C and nights around 14°C (mean 20.1°C) — warmer than Barwon Heads's yearly average — with moderate rainfall (47 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 | 27.3°C | 21.3°C | 15.3°C | 38.9°C | 11.1°C | 32 mm | 61% | 3.7 m/s | 7.1 |
| 2024 | 25.1°C | 19.9°C | 14.7°C | 32.4°C | 12.3°C | 118 mm | 73% | 3.5 m/s | 6.9 |
| 2023 | 26.2°C | 20.4°C | 14.6°C | 35.9°C | 12.0°C | 30 mm | 66% | 3.4 m/s | 7.1 |
| 2022 🔥 | 28.5°C | 22.6°C | 16.7°C | 36.0°C | 12.6°C | 78 mm | 68% | 3.5 m/s | 6.8 |
| 2021 | 24.5°C | 19.1°C | 13.7°C | 34.7°C | 10.1°C | 120 mm | 69% | 3.9 m/s | 6.8 |
| 2020 | 26.9°C | 20.5°C | 14.0°C | 40.1°C | 10.3°C | 91 mm | 63% | 3.6 m/s | 6.3 |
| 2019 | 29.5°C | 22.5°C | 15.5°C | 42.0°C | 10.9°C | 9 mm | 59% | 3.3 m/s | 7.4 |
| 2018 | 28.0°C | 21.7°C | 15.3°C | 40.7°C | 12.4°C | 47 mm | 62% | 3.7 m/s | 7.1 |
| 2017 | 27.4°C | 21.0°C | 14.7°C | 36.7°C | 11.7°C | 34 mm | 60% | 3.6 m/s | 7 |
| 2016 | 26.0°C | 20.5°C | 15.1°C | 40.1°C | 12.0°C | 63 mm | 65% | 3.7 m/s | 6.5 |
| 2015 | 25.1°C | 19.5°C | 13.8°C | 38.0°C | 10.0°C | 60 mm | 66% | 4.2 m/s | 6.8 |
| 2014 | 28.0°C | 21.3°C | 14.7°C | 41.9°C | 10.1°C | 21 mm | 57% | 4.1 m/s | 7.4 |
| 2013 | 27.0°C | 20.4°C | 13.9°C | 38.9°C | 11.4°C | 18 mm | 56% | 3.9 m/s | 7.4 |
| 2012 | 26.4°C | 20.6°C | 14.8°C | 38.4°C | 11.6°C | 25 mm | 61% | 4.3 m/s | 7.2 |
| 2011 🌧️ | 25.1°C | 19.9°C | 14.7°C | 35.6°C | 10.9°C | 142 mm | 72% | 3.3 m/s | 6.6 |
| 2010 | 26.3°C | 19.8°C | 13.4°C | 40.4°C | 10.2°C | 21 mm | 61% | 3.7 m/s | 7.1 |
| 2009 | 27.8°C | 20.5°C | 13.3°C | 42.9°C | 8.3°C | 3 mm | 56% | 3.6 m/s | 7.9 |
| 2008 | 26.8°C | 20.7°C | 14.7°C | 38.7°C | 11.2°C | 22 mm | 63% | 3.7 m/s | 7.4 |
| 2007 | 26.6°C | 20.7°C | 14.9°C | 38.8°C | 11.7°C | 55 mm | 63% | 3.8 m/s | 6.5 |
| 2006 | 27.3°C | 20.9°C | 14.6°C | 40.2°C | 11.6°C | 44 mm | 63% | 3.8 m/s | 7 |
| 2005 | 25.3°C | 19.5°C | 13.7°C | 36.3°C | 9.7°C | 44 mm | 66% | 3.6 m/s | 7.3 |
| 2004 | 24.2°C | 18.4°C | 12.5°C | 35.6°C | 9.1°C | 40 mm | 62% | 3.8 m/s | 6.9 |
| 2003 | 26.7°C | 20.2°C | 13.7°C | 41.3°C | 9.4°C | 20 mm | 58% | 4 m/s | 7 |
| 2002 | 24.2°C | 18.7°C | 13.1°C | 36.6°C | 9.8°C | 25 mm | 66% | 4 m/s | 6.5 |
| 2001 | 28.4°C | 21.9°C | 15.4°C | 39.9°C | 11.7°C | 21 mm | 60% | 3.8 m/s | 6.5 |
| 2000 | 24.6°C | 19.1°C | 13.6°C | 34.9°C | 10.2°C | 34 mm | 65% | 3.9 m/s | 6.8 |
| 1999 | 26.3°C | 20.4°C | 14.6°C | 37.2°C | 11.7°C | 34 mm | 70% | 3.7 m/s | 6.8 |
| 1998 | 26.3°C | 20.4°C | 14.5°C | 37.9°C | 11.2°C | 49 mm | 65% | 3.8 m/s | 7 |
| 1997 | 26.9°C | 20.6°C | 14.2°C | 39.4°C | 10.4°C | 45 mm | 58% | 4.3 m/s | 7 |
| 1996 | 24.6°C | 18.6°C | 12.6°C | 36.7°C | 10.3°C | 38 mm | 67% | 4.1 m/s | 6.7 |
| 1995 | 27.0°C | 20.9°C | 14.8°C | 37.1°C | 10.5°C | 64 mm | 65% | 3.6 m/s | 6.6 |
| 1994 | 24.2°C | 17.8°C | 11.4°C | 37.9°C | 8.7°C | 34 mm | 64% | 4.2 m/s | 7.1 |
| 1993 | 25.7°C | 19.7°C | 13.8°C | 36.8°C | 10.7°C | 100 mm | 70% | 3.2 m/s | 6.9 |
| 1992 ❄️ | 21.9°C | 16.9°C | 11.9°C | 35.2°C | 9.0°C | 25 mm | 68% | 4.1 m/s | 6.8 |
| 1991 | 25.6°C | 19.7°C | 13.9°C | 38.6°C | 10.9°C | 109 mm | 65% | 3.9 m/s | 6.8 |
| 1990 | 26.5°C | 20.2°C | 13.8°C | 38.6°C | 9.8°C | 11 mm | 57% | 4.2 m/s | 7.5 |
| 1989 | 25.2°C | 19.3°C | 13.4°C | 36.4°C | 9.3°C | 47 mm | 63% | 3.9 m/s | 7 |
| 1988 | 27.6°C | 21.1°C | 14.6°C | 37.5°C | 10.0°C | 63 mm | 61% | 3.5 m/s | 7.2 |
| 1987 | 24.0°C | 17.7°C | 11.4°C | 34.4°C | 7.5°C | 65 mm | 64% | 3.9 m/s | 6.9 |
| 1986 | 22.6°C | 17.3°C | 12.0°C | 34.4°C | 9.9°C | 22 mm | 66% | 4.2 m/s | 7.5 |
| 1985 | 25.3°C | 19.1°C | 12.9°C | 39.3°C | 9.8°C | 14 mm | 57% | 4.2 m/s | 6.9 |
| 1984 | 24.5°C | 18.8°C | 13.1°C | 30.9°C | 9.7°C | 56 mm | 63% | 4.2 m/s | 6.7 |
| 1983 | 25.5°C | 18.7°C | 11.9°C | 39.4°C | 8.7°C | 20 mm | 55% | 4 m/s | — |
| 1982 | 28.5°C | 21.6°C | 14.8°C | 43.2°C | 10.5°C | 36 mm | 54% | 4 m/s | — |
| 1981 | 28.8°C | 22.1°C | 15.4°C | 39.8°C | 11.5°C | 63 mm | 60% | 3.9 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 26.1°C with lows near 14°C (mean 20.1°C), based on 45 years of NASA POWER data.
January averages 47 mm of rainfall in Barwon Heads, about average for rainfall. The wettest on record was 142 mm in 2011.
The hottest January reached 43.2°C in 1982. The coldest dipped to 7.5°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.6°C — but days and nights have moved in opposite directions. Overnight lows rose from 13.6°C to 15°C while daytime highs eased from 26.5°C to 26.3°C, narrowing the gap between day and night.
January is one of the warmer months of the year in Barwon Heads and about average for rainfall, so plan for around 26.1°C daytime highs and 14°C at night.
Not quite — January is the 11th coolest month in Barwon Heads, averaging 20.1°C.
For January in Barwon Heads, pack light layers you can adjust through the day, with typical highs of 26.1°C and lows of 14°C.
Relative humidity in January averages 63% — moderately humid.
Average wind speed in January is 3.8 m/s. The windiest January on record averaged 4.3 m/s (1997).
The wettest January on record was 2011 with 142 mm. On average, January sees 47 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 Barwon Heads 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.
