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Weather & Climate in Mallala, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mallala enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 74°F in January while summers reach 52°F in July / relatively mild seasonal variation. The area gets 320 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 18.3 inches (drier than the 38-inch national average). The city sits at an elevation of 154 feet.
Temperature
74°F Jan (23°C)
52°F Jul (11°C)
| Annual Average | 62.0°F |
| 15% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 52°F (11°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 154 ft (47 m) |
| Area | 832.5 sq mi (2,156.1 km²) |
| Population Density | 1/sq mi |
| Coordinates | -34.4374°N, 138.5099°W |
| Timezone | Australia/Adelaide |
Precipitation & Snow
Air Quality
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Mar 5, 1997 | 5 km ESE of Burra, Australia | M4.8 | 95 km | 10 km |
| May 3, 1997 | 32 km WNW of Burra, Australia | M4.8 | 102 km | 33 km |
| May 14, 2020 | 15 km WSW of Burra, Australia | M4.4 | 85 km | 7 km |
| Apr 17, 2024 | 8 km ENE of Jamestown, Australia | M4.3 | 140 km | 10 km |
| Aug 17, 1991 | 21 km NE of Kapunda, Australia | M4.1 | 59 km | 33 km |
| Mar 5, 1997 | 40 km NNE of Burra, Australia | M4.0 | 134 km | 10 km |
| Mar 5, 2022 | 3 km SW of Mount Barker, Australia | M4.0 | 78 km | 10 km |
| Feb 1, 2017 | 9 km NW of Murray Bridge, Australia | M3.9 | 93 km | 10 km |
| Jan 22, 1999 | 36 km SSE of Burra, Australia | M3.8 | 72 km | 10 km |
| Apr 16, 2010 | 2 km N of Macclesfield, Australia | M3.8 | 85 km | 0 km |
| May 9, 2001 | 28 km SSW of Minlaton, Australia | M3.5 | 114 km | 10 km |
| Jul 17, 2006 | 55 km S of Cowell, Australia | M3.4 | 148 km | 10 km |
| May 23, 2004 | 17 km NE of Nuriootpa, Australia | M3.3 | 59 km | 18 km |
| Oct 18, 2011 | 3 km ESE of Hawthorndene, Australia | M3.3 | 68 km | 17 km |
| Apr 4, 2006 | 28 km SSE of Jamestown, Australia | M3.3 | 114 km | 10 km |
| May 9, 2001 | near the coast of South Australia | M3.1 | 109 km | 10 km |
| Mar 11, 2000 | 16 km NE of Balaklava, Australia | M3.0 | 45 km | 10 km |
| Aug 13, 2003 | 18 km WNW of Jamestown, Australia | M3.0 | 142 km | 10 km |
| Mar 29, 2022 | 3 km ESE of Macclesfield, Australia | M3.0 | 89 km | 10 km |
| May 2, 2003 | 26 km ENE of Kadina, Australia | M2.9 | 79 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1902 | KANGAROO ISLAND | Earthquake | — | — | 78 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 0.8 in | Driest |
| February | 74°F (23°C) | 0.8 in | Warmest |
| March | 69°F (21°C) | 0.9 in | |
| April | 63°F (17°C) | 1.2 in | |
| May | 58°F (14°C) | 1.7 in | |
| June | 52°F (11°C) | 1.9 in | |
| July | 52°F (11°C) | 1.9 in | Coldest |
| August | 52°F (11°C) | 1.9 in | |
| September | 55°F (13°C) | 2.0 in | Wettest |
| October | 60°F (16°C) | 1.7 in | |
| November | 66°F (19°C) | 1.2 in | |
| December | 70°F (21°C) | 0.8 in |
Mallala has a seasonal temperature swing of 22°F / from 52°F in July to 74°F in February. Total annual precipitation is 16.8 inches, with September being the wettest month (2.0") and January the driest (0.8").