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Weather & Climate in Bacchus Marsh, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bacchus Marsh experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 64°F in January while summers reach 46°F in July / relatively mild seasonal variation. The area gets 285 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 31.7 inches. The city sits at an elevation of 364 feet.
Temperature
64°F Jan (18°C)
46°F Jul (8°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 64°F (18°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 364 ft (111 m) |
| Area | 765.7 sq mi (1,983.2 km²) |
| Population Density | 32/sq mi |
| Coordinates | -37.6727°N, 144.4383°W |
| Timezone | Australia/Melbourne |
Precipitation & Snow
Air Quality
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Sep 25, 1996 | 32 km SE of Alexandra, Australia | M4.7 | 142 km | 10 km |
| Mar 6, 2009 | 1 km SE of Korumburra, Australia | M4.5 | 150 km | 14 km |
| Jul 5, 2011 | 2 km NNE of Korumburra, Australia | M4.4 | 148 km | 2 km |
| Mar 18, 2009 | 0 km N of Korumburra, Australia | M4.3 | 147 km | 15 km |
| May 28, 2023 | 5 km W of Mickleham, Australia | M3.8 | 38 km | 9 km |
| Jul 5, 2011 | 2 km NW of Korumburra, Australia | M3.7 | 145 km | 6 km |
| Nov 8, 1992 | 20 km NNE of Colac, Australia | M3.6 | 85 km | 10 km |
| Aug 21, 2001 | 2 km N of Kallista, Australia | M3.6 | 86 km | 33 km |
| Mar 8, 2007 | 13 km N of Bunyip, Australia | M3.5 | 119 km | 14 km |
| May 3, 1991 | 15 km W of Marong, Australia | M3.4 | 113 km | 33 km |
| Jan 22, 2002 | 5 km WNW of Rochester, Australia | M3.3 | 150 km | 10 km |
| Jun 22, 2000 | 10 km NW of Heathcote, Australia | M3.3 | 92 km | 10 km |
| Jul 24, 2000 | 1 km S of Dandenong, Australia | M3.1 | 76 km | 10 km |
| Jun 8, 1991 | 9 km SW of Marong, Australia | M3.1 | 102 km | 10 km |
| May 1, 2013 | 7 km NW of Clifton Springs, Australia | M3.1 | 49 km | 10 km |
| Sep 22, 2009 | 6 km ENE of Hastings, Australia | M3.1 | 98 km | 0 km |
| Aug 21, 2007 | 20 km NE of Neerim South, Australia | M3.0 | 149 km | 12 km |
| Mar 30, 2010 | 4 km NNE of Portarlington, Australia | M3.0 | 49 km | 10 km |
| May 26, 2010 | 8 km E of Rochester, Australia | M3.0 | 149 km | 10 km |
| Jan 5, 2001 | 32 km NE of Warburton, Australia | M2.8 | 136 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Newer Volcanics Province (171 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Newer Volcanics Province | Shield(s) | 1,011 m (3,317 ft) | -2900 | 171 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 1.9 in | |
| February | 68°F (20°C) | 1.5 in | Warmest |
| March | 65°F (18°C) | 1.5 in | Driest |
| April | 59°F (15°C) | 1.5 in | |
| May | 54°F (12°C) | 1.7 in | |
| June | 49°F (10°C) | 1.5 in | |
| July | 46°F (8°C) | 1.5 in | Coldest |
| August | 49°F (10°C) | 1.8 in | |
| September | 52°F (11°C) | 2.2 in | |
| October | 56°F (14°C) | 2.5 in | Wettest |
| November | 60°F (16°C) | 2.3 in | |
| December | 64°F (18°C) | 2.0 in |
Bacchus Marsh has a seasonal temperature swing of 22°F / from 46°F in July to 68°F in February. Total annual precipitation is 21.9 inches, with October being the wettest month (2.5") and March the driest (1.5").