March is one of the warmer months of the year in Hervey Bay, with average highs near 26.8°C and lows around 23.4°C (mean 25.1°C). It is a relatively wet time of year, averaging 138 mm of rainfall and 76% relative humidity across the period.
March is one of the warmer months of the year in Hervey Bay. Across 45 years of records, the warmest Marchs in Hervey Bay were 1998 and 2023 — when the month averaged 26.4°C — while the coldest were 1994 and 2008 at 23.8°C. Typical March days reach 26.8°C with nights near 23.4°C. The long-term trend is warming, about 0.3°C per decade.
March is a relatively wet time of year in Hervey Bay, averaging 138 mm of rainfall. The wettest March on record was 2012 with 530 mm, while the driest was 1984 at 32 mm.
Relative humidity in Hervey Bay during March averages 76%. The most humid March was 1989 at 82%, and the least humid was 1986 at 70%.
March receives about 5.3 kWh/m²/day of solar energy in Hervey Bay. The sunniest Marchs were 1987 and 1998 at 6.2 kWh/m²/day, and the cloudiest were 2010 and 2025 at 4.4.
Average wind speed in Hervey Bay during March is 4.3 m/s. The windiest March was 1990 at 5.6 m/s, while the calmest was 2023 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.8°C | 24.7°C | 25.1°C | 25.3°C | 25.7°C | +0.9°C |
| Avg High | 26.6°C | 26.4°C | 26.9°C | 26.9°C | 27.5°C | +0.9°C |
| Avg Low | 23.0°C | 23.0°C | 23.3°C | 23.8°C | 24.0°C | +1°C |
| Avg Rain | 112 mm | 122 mm | 111 mm | 203 mm | 135 mm | +22 mm |
March temperatures in Hervey Bay have risen by about 0.9°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 18.9°C (1994) to a record high of 33.3°C (2019).
Rainfall in March is a relatively wet time of year, averaging 138 mm, with a wettest year of 530 mm.
A quieter season to visit Hervey Bay
If your dates are flexible, the more temperate months of October and September tend to be the most comfortable for visiting Hervey Bay. That said, March — with days averaging 26.8°C and nights around 23.4°C (mean 25.1°C) and higher rainfall (138 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.9°C | 26.1°C | 24.4°C | 30.6°C | 23.2°C | 191 mm | 77% | 4.7 m/s | 4.4 |
| 2024 | 27.5°C | 26.0°C | 24.5°C | 31.9°C | 23.2°C | 198 mm | 77% | 4.9 m/s | 4.6 |
| 2023 | 28.5°C | 26.4°C | 24.4°C | 30.5°C | 22.0°C | 80 mm | 74% | 3.3 m/s | 5.5 |
| 2022 | 26.6°C | 25.0°C | 23.3°C | 29.8°C | 21.3°C | 114 mm | 80% | 3.7 m/s | 5.4 |
| 2021 | 27.4°C | 25.6°C | 23.8°C | 29.6°C | 21.6°C | 140 mm | 75% | 3.7 m/s | 5 |
| 2020 | 27.0°C | 25.3°C | 23.5°C | 29.4°C | 22.1°C | 85 mm | 74% | 4.6 m/s | 5.4 |
| 2019 | 27.8°C | 26.0°C | 24.1°C | 33.3°C | 21.0°C | 151 mm | 78% | 3.5 m/s | 5.3 |
| 2018 | 26.5°C | 25.2°C | 23.8°C | 28.8°C | 22.1°C | 88 mm | 80% | 5 m/s | 5.2 |
| 2017 | 27.9°C | 26.3°C | 24.7°C | 30.0°C | 19.2°C | 256 mm | 79% | 3.5 m/s | 4.7 |
| 2016 | 27.1°C | 25.6°C | 24.1°C | 28.7°C | 23.1°C | 114 mm | 78% | 4 m/s | 5.2 |
| 2015 | 28.0°C | 26.0°C | 24.1°C | 31.0°C | 22.1°C | 48 mm | 74% | 3.7 m/s | 5.9 |
| 2014 | 26.9°C | 25.3°C | 23.6°C | 30.6°C | 22.2°C | 158 mm | 73% | 4.5 m/s | 5.1 |
| 2013 | 25.5°C | 24.2°C | 22.9°C | 27.9°C | 21.1°C | 136 mm | 79% | 4.7 m/s | 4.8 |
| 2012 🌧️ | 26.0°C | 24.5°C | 23.1°C | 27.8°C | 20.6°C | 530 mm | 80% | 4.4 m/s | 4.9 |
| 2011 | 26.7°C | 25.2°C | 23.7°C | 29.3°C | 22.4°C | 216 mm | 79% | 3.7 m/s | 4.5 |
| 2010 | 26.1°C | 25.0°C | 23.8°C | 27.5°C | 22.7°C | 335 mm | 79% | 4.9 m/s | 4.4 |
| 2009 | 26.5°C | 24.9°C | 23.4°C | 29.0°C | 21.7°C | 176 mm | 76% | 4.9 m/s | 5.4 |
| 2008 | 25.4°C | 23.8°C | 22.2°C | 26.7°C | 19.8°C | 80 mm | 74% | 4.9 m/s | 5.3 |
| 2007 | 27.7°C | 25.7°C | 23.7°C | 32.0°C | 21.9°C | 60 mm | 74% | 4 m/s | 5.9 |
| 2006 | 26.9°C | 25.2°C | 23.5°C | 28.7°C | 21.2°C | 139 mm | 75% | 4.6 m/s | 4.9 |
| 2005 | 27.2°C | 25.2°C | 23.2°C | 30.1°C | 21.9°C | 74 mm | 71% | 4.1 m/s | 5.6 |
| 2004 | 26.9°C | 25.4°C | 24.0°C | 29.3°C | 22.7°C | 280 mm | 79% | 4.8 m/s | 5.2 |
| 2003 | 26.0°C | 24.4°C | 22.7°C | 29.4°C | 21.6°C | 94 mm | 77% | 4 m/s | 5.5 |
| 2002 | 27.5°C | 25.4°C | 23.3°C | 30.5°C | 20.9°C | 58 mm | 71% | 4.5 m/s | 5.7 |
| 2001 | 28.0°C | 26.1°C | 24.1°C | 31.3°C | 21.3°C | 117 mm | 77% | 4.1 m/s | 5.5 |
| 2000 | 26.6°C | 24.8°C | 22.9°C | 27.5°C | 21.9°C | 36 mm | 77% | 4.2 m/s | 5.4 |
| 1999 | 26.6°C | 25.2°C | 23.8°C | 28.5°C | 22.0°C | 125 mm | 80% | 4.1 m/s | 5.3 |
| 1998 🔥 | 28.5°C | 26.4°C | 24.2°C | 30.6°C | 23.1°C | 35 mm | 70% | 4.1 m/s | 6.2 |
| 1997 | 26.6°C | 24.9°C | 23.2°C | 28.6°C | 21.6°C | 73 mm | 72% | 4.6 m/s | 5.3 |
| 1996 | 26.5°C | 24.7°C | 22.9°C | 29.9°C | 22.0°C | 38 mm | 72% | 5 m/s | 5.6 |
| 1995 | 26.5°C | 24.6°C | 22.7°C | 30.9°C | 21.3°C | 66 mm | 77% | 3.5 m/s | 6.1 |
| 1994 ❄️ | 25.2°C | 23.8°C | 22.5°C | 27.9°C | 18.9°C | 204 mm | 77% | 4.7 m/s | 5 |
| 1993 | 26.5°C | 24.6°C | 22.7°C | 32.0°C | 20.1°C | 140 mm | 73% | 5 m/s | 5.6 |
| 1992 | 25.4°C | 23.9°C | 22.5°C | 26.7°C | 21.1°C | 303 mm | 81% | 4.9 m/s | 5.1 |
| 1991 | 26.8°C | 24.9°C | 23.0°C | 29.3°C | 21.9°C | 38 mm | 72% | 4.7 m/s | 5.6 |
| 1990 | 25.7°C | 24.2°C | 22.8°C | 28.6°C | 20.0°C | 202 mm | 79% | 5.6 m/s | 4.9 |
| 1989 | 25.7°C | 24.3°C | 23.0°C | 27.7°C | 21.9°C | 247 mm | 82% | 4.2 m/s | 4.8 |
| 1988 | 26.1°C | 24.2°C | 22.4°C | 31.9°C | 20.4°C | 145 mm | 76% | 5 m/s | 5.2 |
| 1987 | 27.3°C | 25.1°C | 23.0°C | 29.7°C | 19.4°C | 123 mm | 72% | 3.7 m/s | 6.2 |
| 1986 | 26.7°C | 24.7°C | 22.8°C | 30.3°C | 21.8°C | 50 mm | 70% | 4.7 m/s | 6.1 |
| 1985 | 25.9°C | 24.4°C | 22.9°C | 30.9°C | 21.4°C | 188 mm | 78% | 4.9 m/s | 4.9 |
| 1984 | 26.9°C | 24.8°C | 22.6°C | 30.2°C | 20.2°C | 32 mm | 72% | 3.7 m/s | 5.5 |
| 1983 | 27.0°C | 25.2°C | 23.4°C | 29.8°C | 21.9°C | 95 mm | 76% | 3.9 m/s | — |
| 1982 | 26.9°C | 25.5°C | 24.0°C | 28.7°C | 22.3°C | 88 mm | 77% | 4 m/s | — |
| 1981 | 26.8°C | 24.8°C | 22.8°C | 30.1°C | 21.6°C | 43 mm | 73% | 4.2 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 23.4°C (mean 25.1°C), based on 45 years of NASA POWER data.
March averages 138 mm of rainfall in Hervey Bay, a relatively wet time of year. The wettest on record was 530 mm in 2012.
The hottest March reached 33.3°C in 2019. The coldest dipped to 18.9°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.9°C. Daytime highs moved from 26.7°C to 27.6°C and overnight lows from 23.1°C to 24.1°C over the same span.
March is one of the warmer months of the year in Hervey Bay and a relatively wet time of year, so plan for around 26.8°C daytime highs and 23.4°C at night.
Not quite — March is the 10th coolest month in Hervey Bay, averaging 25.1°C.
For March in Hervey Bay, pack light layers you can adjust through the day, with typical highs of 26.8°C and lows of 23.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 76% — quite humid.
Average wind speed in March is 4.3 m/s. The windiest March on record averaged 5.6 m/s (1990).
The wettest March on record was 2012 with 530 mm. On average, March sees 138 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 Hervey Bay 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.
