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Weather & Climate in Middleton, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Middleton enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 64°F in January while summers reach 51°F in July / relatively mild seasonal variation. The area gets 313 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 26.7 inches (drier than the 38-inch national average). The city sits at an elevation of 82 feet.
Temperature
64°F Jan (18°C)
51°F Jul (10°C)
| Annual Average | 57.5°F |
| 6% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 51°F (10°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 82 ft (25 m) |
| Area | 140.3 sq mi (363.2 km²) |
| Population Density | 8/sq mi |
| Coordinates | -35.5105°N, 138.7038°W |
| Timezone | Australia/Adelaide |
Precipitation & Snow
Air Quality
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Aug 17, 1991 | 21 km NE of Kapunda, Australia | M4.1 | 150 km | 33 km |
| Mar 5, 2022 | 3 km SW of Mount Barker, Australia | M4.0 | 49 km | 10 km |
| Feb 1, 2017 | 9 km NW of Murray Bridge, Australia | M3.9 | 67 km | 10 km |
| Apr 16, 2010 | 2 km N of Macclesfield, Australia | M3.8 | 42 km | 0 km |
| May 9, 2001 | 28 km SSW of Minlaton, Australia | M3.5 | 125 km | 10 km |
| Oct 18, 2011 | 3 km ESE of Hawthorndene, Australia | M3.3 | 53 km | 17 km |
| May 23, 2004 | 17 km NE of Nuriootpa, Australia | M3.3 | 134 km | 18 km |
| Mar 29, 2022 | 3 km ESE of Macclesfield, Australia | M3.0 | 39 km | 10 km |
| Jul 8, 2007 | 26 km SW of Normanville, Australia | M2.8 | 55 km | 10 km |
| Sep 22, 2003 | 11 km SSE of Normanville, Australia | M2.7 | 31 km | 10 km |
| Jun 12, 2007 | 26 km E of Angaston, Australia | M2.5 | 126 km | 27 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 | — | — | 86 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 0.9 in | |
| February | 69°F (21°C) | 0.7 in | Warmest, Driest |
| March | 66°F (19°C) | 0.9 in | |
| April | 62°F (17°C) | 1.7 in | |
| May | 58°F (14°C) | 2.0 in | |
| June | 53°F (12°C) | 2.6 in | |
| July | 51°F (10°C) | 2.8 in | Coldest, Wettest |
| August | 53°F (12°C) | 2.6 in | |
| September | 56°F (13°C) | 2.0 in | |
| October | 60°F (15°C) | 1.7 in | |
| November | 63°F (17°C) | 1.0 in | |
| December | 67°F (19°C) | 0.9 in |
Middleton has a seasonal temperature swing of 19°F / from 51°F in July to 69°F in February. Total annual precipitation is 19.7 inches, with July being the wettest month (2.8") and February the driest (0.7").