March is one of the warmer months of the year in Swan Hill, with average highs near 29.2°C and lows around 14.4°C (mean 21.8°C). It is about average for rainfall, averaging 23 mm of rainfall and 48% relative humidity across the period.
March is one of the warmer months of the year in Swan Hill. Across 45 years of records, the warmest March in Swan Hill was 2025 — when the month averaged 25°C — while the coldest were 1987 and 2012 at 19.2°C. Typical March days reach 29.2°C with nights near 14.4°C. The long-term trend is warming, about 0.2°C per decade.
March is about average for rainfall in Swan Hill, averaging 23 mm of rainfall. The wettest March on record was 1983 with 111 mm, while the driest was 2003 at 0 mm.
Relative humidity in Swan Hill during March averages 48%. The most humid March was 2011 at 66%, and the least humid was 1986 at 35%.
March receives about 5.8 kWh/m²/day of solar energy in Swan Hill. The sunniest Marchs were 1994 and 2004 at 6.4 kWh/m²/day, and the cloudiest were 2011 and 2012 at 5.3.
Average wind speed in Swan Hill during March is 3.2 m/s. The windiest March was 2007 at 3.7 m/s, while the calmest was 2014 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.9°C | 21.3°C | 21.9°C | 22.0°C | 22.3°C | +0.4°C |
| Avg High | 29.3°C | 28.7°C | 29.6°C | 29.1°C | 29.5°C | +0.2°C |
| Avg Low | 14.5°C | 13.8°C | 14.2°C | 14.9°C | 15.2°C | +0.7°C |
| Avg Rain | 36 mm | 17 mm | 13 mm | 26 mm | 27 mm | -10 mm |
March temperatures in Swan Hill have risen by about 0.9°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 5.9°C (1984) to a record high of 42.3°C (1991).
Rainfall in March is about average for rainfall, averaging 23 mm, with a wettest year of 111 mm.
One of the best times to visit Swan Hill
March is one of the best times to visit Swan Hill. Expect days averaging 29.2°C and nights around 14.4°C (mean 21.8°C) — warmer than Swan Hill's yearly average — with low rainfall (23 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 🔥 | 32.6°C | 25.0°C | 17.3°C | 40.9°C | 10.5°C | 28 mm | 46% | 3 m/s | 5.7 |
| 2024 | 31.7°C | 23.7°C | 15.8°C | 39.1°C | 9.3°C | 1 mm | 41% | 2.9 m/s | 6 |
| 2023 | 28.6°C | 21.8°C | 15.0°C | 41.3°C | 9.7°C | 22 mm | 51% | 3 m/s | 5.4 |
| 2022 | 29.1°C | 22.4°C | 15.6°C | 34.1°C | 11.2°C | 30 mm | 57% | 3.2 m/s | 5.7 |
| 2021 | 27.2°C | 20.3°C | 13.5°C | 33.2°C | 8.5°C | 32 mm | 54% | 3.2 m/s | 5.5 |
| 2020 | 27.9°C | 20.8°C | 13.7°C | 35.9°C | 9.0°C | 47 mm | 55% | 3.5 m/s | 5.7 |
| 2019 | 30.3°C | 23.1°C | 15.9°C | 39.6°C | 8.2°C | 2 mm | 40% | 3.3 m/s | 5.8 |
| 2018 | 30.3°C | 22.6°C | 14.9°C | 37.6°C | 9.3°C | 6 mm | 41% | 3.5 m/s | 6.1 |
| 2017 | 31.7°C | 24.3°C | 16.9°C | 36.7°C | 6.9°C | 26 mm | 48% | 3 m/s | 5.9 |
| 2016 | 31.8°C | 24.5°C | 17.2°C | 41.2°C | 9.0°C | 18 mm | 45% | 2.8 m/s | 5.7 |
| 2015 | 28.3°C | 21.0°C | 13.6°C | 38.2°C | 8.4°C | 3 mm | 43% | 3.3 m/s | 6 |
| 2014 | 28.5°C | 21.6°C | 14.8°C | 36.2°C | 8.8°C | 35 mm | 55% | 2.6 m/s | 5.5 |
| 2013 | 29.8°C | 22.7°C | 15.5°C | 37.4°C | 8.5°C | 12 mm | 48% | 3.2 m/s | 5.8 |
| 2012 | 25.7°C | 19.2°C | 12.8°C | 31.7°C | 7.8°C | 45 mm | 65% | 3.4 m/s | 5.3 |
| 2011 | 26.3°C | 19.6°C | 12.8°C | 32.6°C | 7.6°C | 42 mm | 66% | 3.3 m/s | 5.3 |
| 2010 | 28.4°C | 21.3°C | 14.2°C | 33.8°C | 8.8°C | 75 mm | 59% | 2.9 m/s | 5.4 |
| 2009 | 29.3°C | 21.7°C | 14.1°C | 37.6°C | 9.7°C | 18 mm | 47% | 3 m/s | 5.5 |
| 2008 | 31.7°C | 23.7°C | 15.7°C | 40.9°C | 6.5°C | 17 mm | 38% | 2.9 m/s | 5.8 |
| 2007 | 29.7°C | 22.4°C | 15.0°C | 38.7°C | 8.2°C | 20 mm | 47% | 3.7 m/s | 5.8 |
| 2006 | 31.3°C | 23.1°C | 14.9°C | 41.0°C | 9.9°C | 12 mm | 43% | 2.8 m/s | 6.1 |
| 2005 | 28.2°C | 20.4°C | 12.7°C | 40.1°C | 7.1°C | 3 mm | 46% | 3 m/s | 6.1 |
| 2004 | 30.0°C | 21.6°C | 13.2°C | 38.2°C | 10.4°C | 2 mm | 41% | 3.1 m/s | 6.4 |
| 2003 | 28.1°C | 20.4°C | 12.7°C | 34.5°C | 7.4°C | 0 mm | 50% | 3.4 m/s | 6 |
| 2002 | 29.9°C | 22.0°C | 14.2°C | 39.1°C | 9.4°C | 21 mm | 45% | 3.6 m/s | 6 |
| 2001 | 28.6°C | 21.0°C | 13.4°C | 36.5°C | 8.0°C | 25 mm | 47% | 3.1 m/s | 5.7 |
| 2000 | 29.2°C | 22.4°C | 15.6°C | 38.4°C | 9.5°C | 14 mm | 51% | 3 m/s | 5.6 |
| 1999 | 27.7°C | 20.9°C | 14.1°C | 35.1°C | 6.4°C | 46 mm | 54% | 3.1 m/s | 5.7 |
| 1998 | 30.3°C | 22.3°C | 14.3°C | 41.4°C | 10.0°C | 2 mm | 39% | 3.2 m/s | 6.2 |
| 1997 | 27.7°C | 20.4°C | 13.1°C | 33.9°C | 9.0°C | 8 mm | 47% | 3.3 m/s | 5.9 |
| 1996 | 28.9°C | 21.0°C | 13.2°C | 37.2°C | 7.2°C | 24 mm | 51% | 3.2 m/s | 6 |
| 1995 | 27.4°C | 20.3°C | 13.2°C | 35.6°C | 8.0°C | 3 mm | 46% | 3.4 m/s | 6.3 |
| 1994 | 26.9°C | 19.3°C | 11.7°C | 32.0°C | 7.5°C | 28 mm | 56% | 2.7 m/s | 6.4 |
| 1993 | 27.9°C | 20.9°C | 13.8°C | 32.8°C | 7.9°C | 31 mm | 56% | 3.1 m/s | 5.6 |
| 1992 | 30.4°C | 22.9°C | 15.5°C | 36.1°C | 8.6°C | 13 mm | 46% | 3 m/s | 5.6 |
| 1991 | 29.4°C | 21.5°C | 13.5°C | 42.3°C | 8.1°C | 2 mm | 39% | 3.3 m/s | 6.1 |
| 1990 | 30.6°C | 23.0°C | 15.3°C | 37.4°C | 9.4°C | 9 mm | 43% | 3.4 m/s | 6.2 |
| 1989 | 29.2°C | 22.6°C | 16.1°C | 39.8°C | 7.8°C | 86 mm | 52% | 2.9 m/s | 5.4 |
| 1988 | 30.3°C | 22.8°C | 15.3°C | 38.4°C | 8.5°C | 16 mm | 41% | 3.1 m/s | 5.8 |
| 1987 ❄️ | 27.0°C | 19.2°C | 11.4°C | 34.9°C | 6.9°C | 6 mm | 45% | 3.3 m/s | 6.2 |
| 1986 | 32.3°C | 23.7°C | 15.1°C | 40.8°C | 10.4°C | 0 mm | 35% | 3.2 m/s | 6.3 |
| 1985 | 31.0°C | 23.8°C | 16.5°C | 36.9°C | 9.2°C | 9 mm | 44% | 3.3 m/s | 5.7 |
| 1984 | 27.3°C | 19.6°C | 12.0°C | 36.0°C | 5.9°C | 17 mm | 46% | 3.6 m/s | 5.9 |
| 1983 🌧️ | 29.3°C | 22.8°C | 16.3°C | 40.6°C | 7.4°C | 111 mm | 53% | 3.3 m/s | — |
| 1982 | 29.8°C | 22.3°C | 14.7°C | 39.0°C | 9.5°C | 33 mm | 49% | 3.1 m/s | — |
| 1981 | 27.3°C | 20.2°C | 13.1°C | 33.9°C | 8.8°C | 48 mm | 43% | 3.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 29.2°C with lows near 14.4°C (mean 21.8°C), based on 45 years of NASA POWER data.
March averages 23 mm of rainfall in Swan Hill, about average for rainfall. The wettest on record was 111 mm in 1983.
The hottest March reached 42.3°C in 1991. 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 0.9°C. Daytime highs moved from 28.9°C to 29.8°C and overnight lows from 14.5°C to 15.4°C over the same span.
March is one of the warmer months of the year in Swan Hill and about average for rainfall, so plan for around 29.2°C daytime highs and 14.4°C at night.
Not quite — March is the 9th coolest month in Swan Hill, averaging 21.8°C.
For March in Swan Hill, pack light layers you can adjust through the day, with typical highs of 29.2°C and lows of 14.4°C.
Relative humidity in March averages 48% — relatively dry.
Average wind speed in March is 3.2 m/s. The windiest March on record averaged 3.7 m/s (2007).
The wettest March on record was 1983 with 111 mm. On average, March sees 23 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 Swan Hill 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.
