March is one of the warmer months of the year in Wonthaggi, with average highs near 22.1°C and lows around 14.2°C (mean 18.2°C). It is one of the drier months, averaging 58 mm of rainfall and 71% relative humidity across the period.
March is one of the warmer months of the year in Wonthaggi. Across 45 years of records, the warmest March in Wonthaggi was 2013 — when the month averaged 20.3°C — while the coldest was 1987 at 15.8°C. Typical March days reach 22.1°C with nights near 14.2°C. The long-term trend is warming, about 0.2°C per decade.
March is one of the drier months in Wonthaggi, averaging 58 mm of rainfall. The wettest March on record was 1981 with 114 mm, while the driest was 2024 at 10 mm.
Relative humidity in Wonthaggi during March averages 71%. The most humid March was 1993 at 77%, and the least humid was 2013 at 64%.
March receives about 4.8 kWh/m²/day of solar energy in Wonthaggi. The sunniest Marchs were 2006 and 2024 at 5.3 kWh/m²/day, and the cloudiest was 1989 at 4.3.
Average wind speed in Wonthaggi during March is 1.5 m/s. The windiest March was 1995 at 1.8 m/s, while the calmest were 1994, 2016 and 2025, among others at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.2°C | 17.4°C | 18.2°C | 18.6°C | 18.4°C | +0.2°C |
| Avg High | 22.3°C | 21.3°C | 22.2°C | 22.6°C | 22.1°C | -0.2°C |
| Avg Low | 14.1°C | 13.6°C | 14.2°C | 14.7°C | 14.7°C | +0.6°C |
| Avg Rain | 79 mm | 50 mm | 46 mm | 56 mm | 64 mm | -15 mm |
March temperatures in Wonthaggi have risen by about 0.4°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 8.8°C (1987) to a record high of 36.1°C (2008).
Rainfall in March is one of the drier months, averaging 58 mm, with a wettest year of 114 mm.
One of the best times to visit Wonthaggi
March is one of the best times to visit Wonthaggi. Expect days averaging 22.1°C and nights around 14.2°C (mean 18.2°C) — warmer than Wonthaggi's yearly average — with moderate rainfall (58 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 | 24.3°C | 19.9°C | 15.6°C | 32.1°C | 12.9°C | 59 mm | 69% | 1.3 m/s | 5 |
| 2024 | 23.6°C | 19.3°C | 15.1°C | 34.7°C | 11.2°C | 10 mm | 66% | 1.4 m/s | 5.3 |
| 2023 | 21.3°C | 17.9°C | 14.5°C | 31.0°C | 12.1°C | 74 mm | 74% | 1.6 m/s | 4.6 |
| 2022 | 22.7°C | 19.1°C | 15.4°C | 30.5°C | 12.4°C | 74 mm | 76% | 1.4 m/s | 4.7 |
| 2021 | 20.3°C | 17.2°C | 14.1°C | 26.4°C | 11.6°C | 87 mm | 76% | 1.7 m/s | 4.5 |
| 2020 | 20.4°C | 17.0°C | 13.6°C | 27.1°C | 11.2°C | 80 mm | 75% | 1.4 m/s | 4.6 |
| 2019 | 23.5°C | 19.4°C | 15.2°C | 35.9°C | 11.4°C | 39 mm | 66% | 1.6 m/s | 4.8 |
| 2018 | 22.5°C | 18.6°C | 14.7°C | 30.5°C | 11.3°C | 36 mm | 65% | 1.6 m/s | 5.1 |
| 2017 | 24.7°C | 20.2°C | 15.6°C | 31.4°C | 10.3°C | 52 mm | 70% | 1.4 m/s | 5.2 |
| 2016 | 22.8°C | 19.0°C | 15.3°C | 33.4°C | 10.8°C | 47 mm | 72% | 1.3 m/s | 4.4 |
| 2015 | 20.4°C | 16.7°C | 13.1°C | 28.5°C | 10.3°C | 39 mm | 71% | 1.7 m/s | 4.8 |
| 2014 | 23.0°C | 18.6°C | 14.3°C | 31.1°C | 11.6°C | 43 mm | 71% | 1.4 m/s | 4.7 |
| 2013 🔥 | 24.6°C | 20.3°C | 15.9°C | 33.8°C | 12.6°C | 50 mm | 64% | 1.5 m/s | 5 |
| 2012 | 20.5°C | 17.3°C | 14.0°C | 28.2°C | 11.8°C | 90 mm | 75% | 1.6 m/s | 4.5 |
| 2011 | 20.5°C | 17.1°C | 13.8°C | 27.1°C | 10.9°C | 88 mm | 75% | 1.5 m/s | 4.4 |
| 2010 | 23.0°C | 19.1°C | 15.1°C | 29.1°C | 11.8°C | 77 mm | 72% | 1.4 m/s | 4.7 |
| 2009 | 21.6°C | 17.9°C | 14.3°C | 29.9°C | 12.3°C | 55 mm | 70% | 1.6 m/s | 4.5 |
| 2008 | 23.9°C | 19.0°C | 14.1°C | 36.1°C | 9.8°C | 36 mm | 65% | 1.4 m/s | 5.2 |
| 2007 | 22.5°C | 18.4°C | 14.3°C | 31.9°C | 10.5°C | 59 mm | 69% | 1.5 m/s | 5.1 |
| 2006 | 23.3°C | 19.1°C | 14.8°C | 33.3°C | 12.4°C | 31 mm | 70% | 1.5 m/s | 5.3 |
| 2005 | 20.9°C | 17.1°C | 13.3°C | 30.6°C | 9.4°C | 34 mm | 71% | 1.6 m/s | 4.8 |
| 2004 | 21.2°C | 17.4°C | 13.6°C | 30.1°C | 11.1°C | 33 mm | 70% | 1.5 m/s | 4.7 |
| 2003 | 21.6°C | 17.8°C | 14.1°C | 29.7°C | 11.5°C | 62 mm | 73% | 1.5 m/s | 4.6 |
| 2002 | 21.5°C | 17.7°C | 13.9°C | 30.9°C | 10.5°C | 31 mm | 71% | 1.6 m/s | 4.7 |
| 2001 | 22.1°C | 18.2°C | 14.3°C | 29.7°C | 11.6°C | 93 mm | 70% | 1.7 m/s | 4.6 |
| 2000 | 23.2°C | 19.0°C | 14.9°C | 32.5°C | 11.8°C | 25 mm | 69% | 1.5 m/s | 5 |
| 1999 | 21.6°C | 17.9°C | 14.2°C | 28.1°C | 10.5°C | 69 mm | 72% | 1.5 m/s | 4.6 |
| 1998 | 21.7°C | 17.7°C | 13.6°C | 33.9°C | 11.1°C | 28 mm | 70% | 1.5 m/s | 4.7 |
| 1997 | 20.5°C | 16.8°C | 13.1°C | 29.8°C | 11.0°C | 40 mm | 72% | 1.6 m/s | 4.4 |
| 1996 | 21.6°C | 17.5°C | 13.4°C | 27.9°C | 10.3°C | 69 mm | 71% | 1.5 m/s | 4.8 |
| 1995 | 19.9°C | 16.6°C | 13.3°C | 29.3°C | 9.3°C | 74 mm | 72% | 1.8 m/s | 4.9 |
| 1994 | 20.4°C | 16.6°C | 12.8°C | 26.1°C | 9.8°C | 23 mm | 73% | 1.3 m/s | 4.7 |
| 1993 | 20.6°C | 17.1°C | 13.7°C | 26.0°C | 9.4°C | 57 mm | 77% | 1.4 m/s | 4.5 |
| 1992 | 22.0°C | 18.2°C | 14.5°C | 30.5°C | 11.0°C | 54 mm | 75% | 1.3 m/s | 4.4 |
| 1991 | 21.2°C | 16.9°C | 12.7°C | 33.8°C | 9.2°C | 49 mm | 69% | 1.5 m/s | 4.8 |
| 1990 | 23.1°C | 18.7°C | 14.4°C | 30.3°C | 11.0°C | 36 mm | 67% | 1.4 m/s | 5.1 |
| 1989 | 22.6°C | 18.9°C | 15.3°C | 35.0°C | 11.4°C | 113 mm | 73% | 1.4 m/s | 4.3 |
| 1988 | 23.2°C | 18.7°C | 14.3°C | 31.9°C | 11.8°C | 49 mm | 69% | 1.4 m/s | 4.9 |
| 1987 ❄️ | 19.6°C | 15.8°C | 12.1°C | 29.3°C | 8.8°C | 72 mm | 69% | 1.7 m/s | 4.6 |
| 1986 | 23.3°C | 18.5°C | 13.7°C | 32.0°C | 10.1°C | 16 mm | 67% | 1.4 m/s | 5.1 |
| 1985 | 23.8°C | 19.4°C | 15.0°C | 32.6°C | 11.6°C | 72 mm | 72% | 1.3 m/s | 4.7 |
| 1984 | 20.5°C | 16.7°C | 12.9°C | 28.5°C | 9.7°C | 91 mm | 69% | 1.7 m/s | 4.5 |
| 1983 | 22.7°C | 19.0°C | 15.4°C | 33.4°C | 11.7°C | 97 mm | 70% | 1.5 m/s | — |
| 1982 | 23.2°C | 18.8°C | 14.4°C | 31.4°C | 10.8°C | 90 mm | 70% | 1.4 m/s | — |
| 1981 🌧️ | 21.4°C | 17.7°C | 14.0°C | 30.8°C | 10.6°C | 114 mm | 70% | 1.6 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 22.1°C with lows near 14.2°C (mean 18.2°C), based on 45 years of NASA POWER data.
March averages 58 mm of rainfall in Wonthaggi, one of the drier months. The wettest on record was 114 mm in 1981.
The hottest March reached 36.1°C in 2008. The coldest dipped to 8.8°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.4°C. Daytime highs moved from 22.3°C to 22.4°C and overnight lows from 14.3°C to 14.9°C over the same span.
March is one of the warmer months of the year in Wonthaggi and one of the drier months, so plan for around 22.1°C daytime highs and 14.2°C at night.
Not quite — March is the 10th coolest month in Wonthaggi, averaging 18.2°C.
For March in Wonthaggi, pack light layers you can adjust through the day, with typical highs of 22.1°C and lows of 14.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 71% — moderately humid.
Average wind speed in March is 1.5 m/s. The windiest March on record averaged 1.8 m/s (1995).
The wettest March on record was 1981 with 114 mm. On average, March sees 58 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 Wonthaggi 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.
