March is one of the warmer months of the year in Gunnedah, with average highs near 30.1°C and lows around 15.7°C (mean 22.9°C). It is about average for rainfall, averaging 61 mm of rainfall and 59% relative humidity across the period.
March is one of the warmer months of the year in Gunnedah. Across 45 years of records, the warmest March in Gunnedah was 1998 — when the month averaged 25.9°C — while the coldest was 1994 at 20.1°C. Typical March days reach 30.1°C with nights near 15.7°C. The long-term March temperature trend is broadly flat.
March is about average for rainfall in Gunnedah, averaging 61 mm of rainfall. The wettest March on record was 2021 with 182 mm, while the driest was 1981 at 1 mm.
Relative humidity in Gunnedah during March averages 59%. The most humid March was 2021 at 74%, and the least humid was 1986 at 40%.
March receives about 5.7 kWh/m²/day of solar energy in Gunnedah. The sunniest March was 1986 at 6.6 kWh/m²/day, and the cloudiest was 2025 at 4.8.
Average wind speed in Gunnedah during March is 2.1 m/s. The windiest March was 1995 at 2.8 m/s, while the calmest was 2014 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.9°C | 22.7°C | 22.7°C | 23.2°C | 23.0°C | +0.1°C |
| Avg High | 30.4°C | 30.3°C | 30.1°C | 30.0°C | 29.2°C | -1.2°C |
| Avg Low | 15.4°C | 15.0°C | 15.5°C | 16.3°C | 16.7°C | +1.3°C |
| Avg Rain | 50 mm | 30 mm | 51 mm | 74 mm | 126 mm | +77 mm |
March temperatures in Gunnedah have risen by about 0.4°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 5.4°C (1984) to a record high of 40°C (2002).
Rainfall in March is about average for rainfall, averaging 61 mm, with a wettest year of 182 mm.
Daytime highs and overnight lows have shifted differently — highs fell 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 Gunnedah
March is one of the best times to visit Gunnedah. Expect days averaging 30.1°C and nights around 15.7°C (mean 22.9°C) — warmer than Gunnedah's yearly average — with moderate rainfall (61 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 | 30.7°C | 24.8°C | 18.9°C | 38.5°C | 14.9°C | 152 mm | 65% | 2.5 m/s | 4.8 |
| 2024 | 31.9°C | 24.6°C | 17.2°C | 38.7°C | 12.3°C | 47 mm | 57% | 1.8 m/s | 5.6 |
| 2023 | 31.5°C | 24.6°C | 17.7°C | 38.1°C | 8.4°C | 156 mm | 57% | 1.9 m/s | 5.5 |
| 2022 | 27.9°C | 22.0°C | 16.0°C | 33.2°C | 13.8°C | 105 mm | 70% | 2.1 m/s | 5.2 |
| 2021 🌧️ | 26.4°C | 20.7°C | 15.0°C | 32.6°C | 10.4°C | 182 mm | 74% | 2.2 m/s | 5.3 |
| 2020 | 26.9°C | 21.0°C | 15.1°C | 33.9°C | 10.6°C | 117 mm | 72% | 2.2 m/s | 5.5 |
| 2019 | 31.9°C | 24.6°C | 17.4°C | 36.5°C | 6.0°C | 95 mm | 53% | 2.1 m/s | 5.7 |
| 2018 | 32.3°C | 24.5°C | 16.7°C | 38.3°C | 9.3°C | 29 mm | 55% | 2.3 m/s | 5.8 |
| 2017 | 29.1°C | 23.1°C | 17.0°C | 33.3°C | 12.2°C | 144 mm | 70% | 2.3 m/s | 5 |
| 2016 | 32.3°C | 25.0°C | 17.8°C | 36.6°C | 10.5°C | 19 mm | 47% | 1.8 m/s | 5.7 |
| 2015 | 31.5°C | 23.7°C | 16.0°C | 38.6°C | 9.0°C | 48 mm | 52% | 2 m/s | 6 |
| 2014 | 28.7°C | 22.5°C | 16.2°C | 32.8°C | 11.4°C | 137 mm | 67% | 1.5 m/s | 5.1 |
| 2013 | 28.1°C | 21.6°C | 15.1°C | 32.6°C | 10.9°C | 81 mm | 68% | 2.2 m/s | 5.7 |
| 2012 | 27.2°C | 21.0°C | 14.8°C | 30.9°C | 8.5°C | 55 mm | 70% | 1.9 m/s | 5.6 |
| 2011 | 29.9°C | 23.3°C | 16.7°C | 36.5°C | 11.7°C | 51 mm | 63% | 1.9 m/s | 4.9 |
| 2010 | 29.1°C | 22.4°C | 15.8°C | 33.0°C | 10.4°C | 77 mm | 64% | 2.2 m/s | 5.5 |
| 2009 | 30.2°C | 22.5°C | 14.8°C | 34.1°C | 9.9°C | 21 mm | 57% | 2 m/s | 6.1 |
| 2008 | 29.6°C | 21.6°C | 13.7°C | 34.6°C | 8.1°C | 11 mm | 57% | 1.7 m/s | 6.4 |
| 2007 | 30.1°C | 23.1°C | 16.2°C | 35.2°C | 7.7°C | 71 mm | 63% | 2.1 m/s | 5.8 |
| 2006 | 31.3°C | 24.2°C | 17.2°C | 35.6°C | 11.9°C | 21 mm | 52% | 2.2 m/s | 5.5 |
| 2005 | 29.8°C | 22.1°C | 14.5°C | 37.2°C | 8.4°C | 31 mm | 52% | 2.2 m/s | 6 |
| 2004 | 30.2°C | 23.0°C | 15.9°C | 37.9°C | 11.2°C | 55 mm | 64% | 2 m/s | 5.7 |
| 2003 | 28.8°C | 21.2°C | 13.6°C | 31.8°C | 8.2°C | 35 mm | 60% | 1.8 m/s | 5.6 |
| 2002 | 32.1°C | 24.0°C | 15.9°C | 40.0°C | 12.1°C | 49 mm | 48% | 2.2 m/s | 5.9 |
| 2001 | 29.0°C | 22.2°C | 15.3°C | 36.1°C | 8.5°C | 101 mm | 62% | 2.6 m/s | 5.4 |
| 2000 | 29.5°C | 23.5°C | 17.5°C | 36.8°C | 11.7°C | 114 mm | 69% | 1.8 m/s | 5.1 |
| 1999 | 29.9°C | 23.0°C | 16.1°C | 35.9°C | 9.7°C | 77 mm | 64% | 1.8 m/s | 5.3 |
| 1998 🔥 | 34.3°C | 25.9°C | 17.6°C | 39.7°C | 12.5°C | 3 mm | 41% | 2.1 m/s | 6.5 |
| 1997 | 29.7°C | 22.2°C | 14.6°C | 32.8°C | 10.1°C | 19 mm | 60% | 1.9 m/s | 6 |
| 1996 | 29.9°C | 22.3°C | 14.7°C | 34.0°C | 10.3°C | 13 mm | 52% | 2.2 m/s | 6.1 |
| 1995 | 30.9°C | 22.9°C | 14.8°C | 36.5°C | 11.0°C | 5 mm | 48% | 2.8 m/s | 6.2 |
| 1994 ❄️ | 27.4°C | 20.1°C | 12.8°C | 32.2°C | 8.0°C | 45 mm | 62% | 2.2 m/s | 5.9 |
| 1993 | 29.3°C | 21.7°C | 14.1°C | 33.2°C | 8.8°C | 29 mm | 57% | 2.5 m/s | 6.1 |
| 1992 | 29.7°C | 22.2°C | 14.8°C | 32.4°C | 12.1°C | 20 mm | 62% | 2 m/s | 6.1 |
| 1991 | 31.5°C | 23.2°C | 14.9°C | 35.3°C | 7.9°C | 36 mm | 47% | 1.8 m/s | 6.3 |
| 1990 | 30.6°C | 23.2°C | 15.7°C | 38.9°C | 9.8°C | 52 mm | 60% | 2.6 m/s | 5.7 |
| 1989 | 30.3°C | 24.0°C | 17.7°C | 36.1°C | 12.8°C | 88 mm | 59% | 2.3 m/s | 5 |
| 1988 | 29.7°C | 21.8°C | 14.0°C | 37.3°C | 8.5°C | 19 mm | 52% | 2.4 m/s | 5.8 |
| 1987 | 28.3°C | 21.0°C | 13.7°C | 36.8°C | 7.4°C | 100 mm | 60% | 2.3 m/s | 5.9 |
| 1986 | 33.4°C | 24.9°C | 16.4°C | 38.4°C | 10.0°C | 5 mm | 40% | 2 m/s | 6.6 |
| 1985 | 31.7°C | 23.7°C | 15.7°C | 39.1°C | 12.4°C | 24 mm | 51% | 2 m/s | 6 |
| 1984 | 28.6°C | 21.0°C | 13.3°C | 34.6°C | 5.4°C | 38 mm | 61% | 1.9 m/s | 6 |
| 1983 | 32.3°C | 24.7°C | 17.1°C | 37.6°C | 11.6°C | 36 mm | 49% | 2 m/s | — |
| 1982 | 27.7°C | 21.8°C | 15.9°C | 33.9°C | 10.6°C | 135 mm | 72% | 2.2 m/s | — |
| 1981 | 31.8°C | 23.4°C | 15.0°C | 35.7°C | 9.9°C | 1 mm | 43% | 1.9 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 30.1°C with lows near 15.7°C (mean 22.9°C), based on 45 years of NASA POWER data.
March averages 61 mm of rainfall in Gunnedah, about average for rainfall. The wettest on record was 182 mm in 2021.
The hottest March reached 40°C in 2002. The coldest dipped to 5.4°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 15.4°C to 17°C while daytime highs eased from 30.4°C to 29.7°C, narrowing the gap between day and night.
March is one of the warmer months of the year in Gunnedah and about average for rainfall, so plan for around 30.1°C daytime highs and 15.7°C at night.
Not quite — March is the 9th coolest month in Gunnedah, averaging 22.9°C.
For March in Gunnedah, pack light, breathable clothing and sun protection, with typical highs of 30.1°C and lows of 15.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 59% — moderately humid.
Average wind speed in March is 2.1 m/s. The windiest March on record averaged 2.8 m/s (1995).
The wettest March on record was 2021 with 182 mm. On average, March sees 61 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 Gunnedah 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.
