March is one of the warmer months of the year in Goonellabah, with average highs near 26.8°C and lows around 19.4°C (mean 23.1°C). It is a relatively wet time of year, averaging 172 mm of rainfall and 76% relative humidity across the period.
March is one of the warmer months of the year in Goonellabah. Across 45 years of records, the warmest March in Goonellabah was 1998 — when the month averaged 25.9°C — while the coldest was 1994 at 20.9°C. Typical March days reach 26.8°C with nights near 19.4°C. The long-term trend is warming, about 0.3°C per decade.
March is a relatively wet time of year in Goonellabah, averaging 172 mm of rainfall. The wettest March on record was 2017 with 441 mm, while the driest was 1998 at 41 mm.
Relative humidity in Goonellabah during March averages 76%. The most humid March was 2022 at 84%, and the least humid was 1998 at 64%.
March receives about 5 kWh/m²/day of solar energy in Goonellabah. The sunniest March was 1998 at 5.9 kWh/m²/day, and the cloudiest was 2025 at 4.1.
Average wind speed in Goonellabah during March is 2.6 m/s. The windiest March was 2025 at 3.3 m/s, while the calmest was 1999 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.6°C | 22.9°C | 23.1°C | 23.6°C | 23.4°C | +0.8°C |
| Avg High | 26.4°C | 26.7°C | 26.9°C | 27.3°C | 26.8°C | +0.4°C |
| Avg Low | 18.8°C | 19.0°C | 19.3°C | 20.0°C | 20.0°C | +1.2°C |
| Avg Rain | 171 mm | 147 mm | 160 mm | 181 mm | 220 mm | +48 mm |
March temperatures in Goonellabah have risen by about 0.7°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 12°C (2008) to a record high of 37.4°C (1998).
Rainfall in March is a relatively wet time of year, averaging 172 mm, with a wettest year of 441 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.
A good time to visit Goonellabah
March is a good time to visit Goonellabah, with days averaging 26.8°C and nights around 19.4°C (mean 23.1°C, warmer than Goonellabah's yearly average) and higher rainfall. October and November are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 26.4°C | 23.6°C | 20.9°C | 30.0°C | 18.0°C | 362 mm | 83% | 3.3 m/s | 4.1 |
| 2024 | 27.4°C | 23.9°C | 20.4°C | 36.0°C | 17.5°C | 137 mm | 75% | 2.4 m/s | 4.6 |
| 2023 | 30.1°C | 25.5°C | 21.0°C | 36.3°C | 14.5°C | 104 mm | 71% | 2.3 m/s | 5.1 |
| 2022 | 25.5°C | 22.4°C | 19.3°C | 30.0°C | 16.7°C | 283 mm | 84% | 2.7 m/s | 4.7 |
| 2021 | 25.6°C | 22.5°C | 19.3°C | 30.5°C | 16.0°C | 286 mm | 82% | 2.6 m/s | 4.4 |
| 2020 | 25.5°C | 22.3°C | 19.2°C | 31.3°C | 15.5°C | 145 mm | 80% | 2.7 m/s | 4.9 |
| 2019 | 29.3°C | 25.0°C | 20.7°C | 37.0°C | 12.6°C | 165 mm | 73% | 2.5 m/s | 4.9 |
| 2018 | 27.4°C | 23.9°C | 20.3°C | 33.1°C | 18.5°C | 137 mm | 78% | 2.7 m/s | 4.9 |
| 2017 🌧️ | 27.4°C | 24.0°C | 20.6°C | 31.3°C | 17.0°C | 441 mm | 80% | 2.7 m/s | 4.7 |
| 2016 | 27.9°C | 24.1°C | 20.3°C | 32.0°C | 16.8°C | 155 mm | 75% | 2.4 m/s | 5.1 |
| 2015 | 28.4°C | 24.1°C | 19.8°C | 33.8°C | 15.8°C | 85 mm | 76% | 2.3 m/s | 5.4 |
| 2014 | 27.9°C | 24.1°C | 20.3°C | 35.9°C | 18.5°C | 214 mm | 70% | 2.3 m/s | 5.1 |
| 2013 | 25.4°C | 22.2°C | 19.1°C | 29.6°C | 16.8°C | 168 mm | 82% | 2.6 m/s | 4.6 |
| 2012 | 25.3°C | 22.0°C | 18.8°C | 29.8°C | 15.0°C | 119 mm | 80% | 2.5 m/s | 4.7 |
| 2011 | 27.3°C | 23.6°C | 20.0°C | 36.2°C | 16.3°C | 135 mm | 75% | 2.3 m/s | 4.7 |
| 2010 | 26.3°C | 23.0°C | 19.7°C | 30.2°C | 17.6°C | 189 mm | 78% | 2.6 m/s | 4.8 |
| 2009 | 27.5°C | 23.5°C | 19.5°C | 35.4°C | 16.4°C | 212 mm | 74% | 2.6 m/s | 5.2 |
| 2008 | 25.4°C | 21.5°C | 17.7°C | 30.6°C | 12.0°C | 54 mm | 76% | 2.3 m/s | 5.3 |
| 2007 | 28.5°C | 24.1°C | 19.8°C | 33.0°C | 16.0°C | 110 mm | 72% | 2.7 m/s | 5.5 |
| 2006 | 25.8°C | 22.5°C | 19.3°C | 29.7°C | 15.8°C | 242 mm | 80% | 2.7 m/s | 4.7 |
| 2005 | 27.7°C | 23.1°C | 18.6°C | 35.2°C | 14.5°C | 59 mm | 65% | 2.7 m/s | 5.4 |
| 2004 | 26.4°C | 23.1°C | 19.8°C | 32.2°C | 16.5°C | 195 mm | 78% | 2.7 m/s | 4.9 |
| 2003 | 25.0°C | 21.6°C | 18.3°C | 31.1°C | 15.0°C | 163 mm | 80% | 2.2 m/s | 5.1 |
| 2002 | 28.7°C | 24.2°C | 19.6°C | 37.1°C | 16.1°C | 133 mm | 68% | 3.1 m/s | 5.2 |
| 2001 | 26.3°C | 23.0°C | 19.8°C | 30.8°C | 13.9°C | 337 mm | 81% | 3.1 m/s | 4.8 |
| 2000 | 27.9°C | 24.0°C | 20.2°C | 31.4°C | 18.2°C | 97 mm | 76% | 2.3 m/s | 4.9 |
| 1999 | 26.5°C | 23.2°C | 19.8°C | 32.1°C | 17.9°C | 239 mm | 82% | 2.1 m/s | 4.9 |
| 1998 🔥 | 31.1°C | 25.9°C | 20.7°C | 37.4°C | 17.1°C | 41 mm | 64% | 2.7 m/s | 5.9 |
| 1997 | 27.3°C | 23.2°C | 19.2°C | 32.0°C | 15.3°C | 92 mm | 74% | 2.3 m/s | 5.4 |
| 1996 | 25.9°C | 22.2°C | 18.6°C | 32.2°C | 16.8°C | 98 mm | 75% | 2.8 m/s | 5.2 |
| 1995 | 26.8°C | 22.6°C | 18.5°C | 31.3°C | 15.3°C | 143 mm | 76% | 2.9 m/s | 5.4 |
| 1994 ❄️ | 23.7°C | 20.9°C | 18.0°C | 27.8°C | 12.5°C | 344 mm | 82% | 2.9 m/s | 4.4 |
| 1993 | 26.8°C | 22.8°C | 18.7°C | 32.4°C | 14.8°C | 126 mm | 70% | 3.2 m/s | 5 |
| 1992 | 25.5°C | 22.3°C | 19.1°C | 30.0°C | 15.5°C | 187 mm | 78% | 2.6 m/s | 4.8 |
| 1991 | 28.2°C | 23.5°C | 18.7°C | 34.4°C | 15.5°C | 69 mm | 66% | 2.5 m/s | 5.3 |
| 1990 | 25.1°C | 22.0°C | 18.8°C | 29.4°C | 13.2°C | 136 mm | 80% | 2.9 m/s | 4.5 |
| 1989 | 25.8°C | 22.5°C | 19.3°C | 34.5°C | 17.0°C | 229 mm | 83% | 2.7 m/s | 4.5 |
| 1988 | 25.2°C | 21.5°C | 17.9°C | 33.5°C | 13.7°C | 237 mm | 75% | 2.7 m/s | 4.6 |
| 1987 | 25.7°C | 22.0°C | 18.3°C | 34.3°C | 12.9°C | 301 mm | 78% | 2.8 m/s | 5.2 |
| 1986 | 28.0°C | 23.2°C | 18.5°C | 33.5°C | 13.8°C | 61 mm | 67% | 2.4 m/s | 5.5 |
| 1985 | 25.4°C | 22.2°C | 18.9°C | 34.3°C | 16.3°C | 223 mm | 79% | 2.5 m/s | 4.6 |
| 1984 | 26.4°C | 22.3°C | 18.2°C | 31.9°C | 13.1°C | 92 mm | 74% | 2.2 m/s | 5.1 |
| 1983 | 27.8°C | 23.7°C | 19.7°C | 32.3°C | 16.1°C | 140 mm | 74% | 2.4 m/s | — |
| 1982 | 26.1°C | 23.1°C | 20.1°C | 29.3°C | 17.7°C | 190 mm | 82% | 2.3 m/s | — |
| 1981 | 27.3°C | 23.0°C | 18.7°C | 30.9°C | 16.6°C | 72 mm | 73% | 2.4 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 26.8°C with lows near 19.4°C (mean 23.1°C), based on 45 years of NASA POWER data.
March averages 172 mm of rainfall in Goonellabah, a relatively wet time of year. The wettest on record was 441 mm in 2017.
The hottest March reached 37.4°C in 1998. The coldest dipped to 12°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.7°C. Daytime highs moved from 26.6°C to 27°C and overnight lows from 19.1°C to 20.2°C over the same span.
March is one of the warmer months of the year in Goonellabah and a relatively wet time of year, so plan for around 26.8°C daytime highs and 19.4°C at night.
Not quite — March is the 9th coolest month in Goonellabah, averaging 23.1°C.
For March in Goonellabah, pack light layers you can adjust through the day, with typical highs of 26.8°C and lows of 19.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 76% — quite humid.
Average wind speed in March is 2.6 m/s. The windiest March on record averaged 3.3 m/s (2025).
The wettest March on record was 2017 with 441 mm. On average, March sees 172 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 Goonellabah behaves each March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
