March is one of the warmer months of the year in Muswellbrook, with average highs near 26.6°C and lows around 14.6°C (mean 20.6°C). It is a relatively wet time of year, averaging 97 mm of rainfall and 70% relative humidity across the period.
March is one of the warmer months of the year in Muswellbrook. Across 45 years of records, the warmest March in Muswellbrook was 1998 — when the month averaged 23.8°C — while the coldest was 1994 at 18.1°C. Typical March days reach 26.6°C with nights near 14.6°C. The long-term trend is warming, about 0.2°C per decade.
March is a relatively wet time of year in Muswellbrook, averaging 97 mm of rainfall. The wettest March on record was 2021 with 257 mm, while the driest was 1986 at 10 mm.
Relative humidity in Muswellbrook during March averages 70%. The most humid March was 2022 at 87%, and the least humid was 1991 at 51%.
March receives about 5 kWh/m²/day of solar energy in Muswellbrook. The sunniest March was 1991 at 5.9 kWh/m²/day, and the cloudiest were 2000 and 2025 at 4.2.
Average wind speed in Muswellbrook during March is 0.8 m/s. The windiest Marchs were 2018, 2021 and 2025, among others at 0.9 m/s, while the calmest was 2014 at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.6°C | 20.3°C | 20.4°C | 21.1°C | 20.7°C | +0.1°C |
| Avg High | 26.9°C | 26.5°C | 26.5°C | 27.0°C | 26.1°C | -0.8°C |
| Avg Low | 14.2°C | 14.1°C | 14.4°C | 15.3°C | 15.4°C | +1.2°C |
| Avg Rain | 86 mm | 63 mm | 102 mm | 99 mm | 163 mm | +77 mm |
March temperatures in Muswellbrook have risen by about 0.5°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 5.9°C (1984) to a record high of 39.2°C (2023).
Rainfall in March is a relatively wet time of year, averaging 97 mm, with a wettest year of 257 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°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 Muswellbrook
March is one of the best times to visit Muswellbrook. Expect days averaging 26.6°C and nights around 14.6°C (mean 20.6°C) — warmer than Muswellbrook's yearly average — with higher rainfall (97 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 | 28.1°C | 22.7°C | 17.3°C | 36.0°C | 11.7°C | 140 mm | 72% | 0.9 m/s | 4.2 |
| 2024 | 29.2°C | 22.5°C | 15.8°C | 36.5°C | 10.4°C | 52 mm | 63% | 0.8 m/s | 5.1 |
| 2023 | 29.0°C | 22.5°C | 16.0°C | 39.2°C | 8.6°C | 83 mm | 63% | 0.8 m/s | 5.3 |
| 2022 | 23.0°C | 19.0°C | 15.0°C | 27.1°C | 11.3°C | 246 mm | 87% | 0.8 m/s | 4.3 |
| 2021 🌧️ | 24.2°C | 19.3°C | 14.5°C | 32.6°C | 10.0°C | 257 mm | 79% | 0.9 m/s | 4.6 |
| 2020 | 23.0°C | 18.4°C | 13.9°C | 32.1°C | 9.8°C | 197 mm | 83% | 0.8 m/s | 4.5 |
| 2019 | 28.7°C | 22.3°C | 15.9°C | 35.4°C | 5.9°C | 130 mm | 65% | 0.8 m/s | 5.1 |
| 2018 | 28.2°C | 21.6°C | 15.1°C | 35.8°C | 6.4°C | 86 mm | 68% | 0.9 m/s | 5.4 |
| 2017 | 25.8°C | 21.0°C | 16.2°C | 32.1°C | 11.0°C | 187 mm | 79% | 0.8 m/s | 4.4 |
| 2016 | 29.7°C | 22.8°C | 15.8°C | 35.6°C | 9.6°C | 33 mm | 61% | 0.7 m/s | 5.3 |
| 2015 | 28.8°C | 21.7°C | 14.7°C | 37.1°C | 8.5°C | 55 mm | 61% | 0.8 m/s | 5.5 |
| 2014 | 25.8°C | 20.5°C | 15.1°C | 29.8°C | 10.1°C | 106 mm | 76% | 0.6 m/s | 4.6 |
| 2013 | 23.9°C | 19.1°C | 14.2°C | 28.1°C | 9.3°C | 107 mm | 81% | 0.8 m/s | 5.3 |
| 2012 | 24.2°C | 19.1°C | 14.0°C | 30.7°C | 7.9°C | 118 mm | 79% | 0.7 m/s | 4.9 |
| 2011 | 27.2°C | 21.5°C | 15.8°C | 33.8°C | 10.9°C | 73 mm | 69% | 0.8 m/s | 4.5 |
| 2010 | 27.5°C | 21.6°C | 15.7°C | 32.8°C | 11.1°C | 98 mm | 66% | 0.8 m/s | 4.8 |
| 2009 | 27.1°C | 20.9°C | 14.6°C | 33.2°C | 10.2°C | 110 mm | 67% | 0.8 m/s | 5.4 |
| 2008 | 26.6°C | 19.9°C | 13.2°C | 33.4°C | 7.9°C | 33 mm | 67% | 0.7 m/s | 5.7 |
| 2007 | 27.3°C | 21.1°C | 14.9°C | 34.4°C | 7.5°C | 96 mm | 70% | 0.8 m/s | 4.9 |
| 2006 | 27.7°C | 22.0°C | 16.2°C | 33.9°C | 12.3°C | 48 mm | 65% | 0.9 m/s | 4.9 |
| 2005 | 25.7°C | 19.2°C | 12.8°C | 35.4°C | 8.6°C | 105 mm | 69% | 0.7 m/s | 5.4 |
| 2004 | 26.8°C | 20.7°C | 14.7°C | 36.2°C | 11.0°C | 70 mm | 69% | 0.9 m/s | 4.9 |
| 2003 | 25.8°C | 19.7°C | 13.6°C | 29.4°C | 8.0°C | 49 mm | 68% | 0.7 m/s | 5.3 |
| 2002 | 27.7°C | 21.1°C | 14.4°C | 37.9°C | 10.3°C | 88 mm | 65% | 0.8 m/s | 5.2 |
| 2001 | 24.1°C | 18.9°C | 13.7°C | 28.4°C | 7.9°C | 180 mm | 78% | 0.9 m/s | 4.7 |
| 2000 | 25.8°C | 20.8°C | 15.8°C | 35.2°C | 11.1°C | 237 mm | 82% | 0.7 m/s | 4.2 |
| 1999 | 27.7°C | 21.5°C | 15.3°C | 34.7°C | 9.4°C | 82 mm | 68% | 0.7 m/s | 4.7 |
| 1998 🔥 | 31.3°C | 23.8°C | 16.3°C | 38.2°C | 10.7°C | 13 mm | 54% | 0.8 m/s | 5.7 |
| 1997 | 27.2°C | 20.9°C | 14.6°C | 31.6°C | 10.5°C | 47 mm | 67% | 0.7 m/s | 5.4 |
| 1996 | 26.8°C | 20.3°C | 13.8°C | 32.7°C | 9.5°C | 30 mm | 64% | 0.8 m/s | 5.2 |
| 1995 | 25.4°C | 19.2°C | 13.1°C | 30.5°C | 9.5°C | 115 mm | 69% | 0.9 m/s | 5.3 |
| 1994 ❄️ | 23.8°C | 18.1°C | 12.4°C | 29.7°C | 7.7°C | 55 mm | 73% | 0.8 m/s | 5.1 |
| 1993 | 25.2°C | 19.3°C | 13.4°C | 29.5°C | 8.8°C | 91 mm | 70% | 0.8 m/s | 5.2 |
| 1992 | 24.1°C | 19.1°C | 14.1°C | 27.7°C | 11.1°C | 70 mm | 82% | 0.7 m/s | 5.2 |
| 1991 | 29.9°C | 22.2°C | 14.5°C | 35.8°C | 8.8°C | 25 mm | 51% | 0.7 m/s | 5.9 |
| 1990 | 23.8°C | 18.9°C | 13.9°C | 30.9°C | 9.4°C | 98 mm | 83% | 0.9 m/s | 4.8 |
| 1989 | 26.6°C | 21.3°C | 15.9°C | 34.8°C | 10.9°C | 152 mm | 72% | 0.8 m/s | 4.3 |
| 1988 | 25.9°C | 19.5°C | 13.2°C | 34.4°C | 8.1°C | 52 mm | 67% | 0.8 m/s | 5.1 |
| 1987 | 24.4°C | 18.5°C | 12.6°C | 29.3°C | 6.3°C | 123 mm | 69% | 0.9 m/s | 5.1 |
| 1986 | 30.0°C | 22.4°C | 14.8°C | 36.9°C | 8.3°C | 10 mm | 55% | 0.8 m/s | 5.8 |
| 1985 | 27.9°C | 21.2°C | 14.5°C | 36.6°C | 11.5°C | 46 mm | 65% | 0.9 m/s | 5.3 |
| 1984 | 25.4°C | 18.7°C | 12.1°C | 32.9°C | 5.9°C | 95 mm | 68% | 0.8 m/s | 5.2 |
| 1983 | 29.7°C | 23.2°C | 16.6°C | 38.1°C | 11.4°C | 85 mm | 59% | 0.9 m/s | — |
| 1982 | 23.9°C | 19.3°C | 14.6°C | 31.0°C | 9.5°C | 200 mm | 83% | 0.8 m/s | — |
| 1981 | 28.1°C | 20.9°C | 13.6°C | 33.7°C | 10.1°C | 10 mm | 59% | 0.7 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 26.6°C with lows near 14.6°C (mean 20.6°C), based on 45 years of NASA POWER data.
March averages 97 mm of rainfall in Muswellbrook, a relatively wet time of year. The wettest on record was 257 mm in 2021.
The hottest March reached 39.2°C in 2023. The coldest dipped to 5.9°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.5°C — but days and nights have moved in opposite directions. Overnight lows rose from 14.3°C to 15.7°C while daytime highs eased from 27°C to 26.7°C, narrowing the gap between day and night.
March is one of the warmer months of the year in Muswellbrook and a relatively wet time of year, so plan for around 26.6°C daytime highs and 14.6°C at night.
Not quite — March is the 9th coolest month in Muswellbrook, averaging 20.6°C.
For March in Muswellbrook, pack light layers you can adjust through the day, with typical highs of 26.6°C and lows of 14.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 70% — moderately humid.
Average wind speed in March is 0.8 m/s. The windiest March on record averaged 0.9 m/s (1983).
The wettest March on record was 2021 with 257 mm. On average, March sees 97 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 Muswellbrook 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.
