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Weather & Climate in Arno Bay, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arno Bay enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 72°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 314 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 12.4 inches (drier than the 38-inch national average). The city sits at an elevation of 59 feet.
Temperature
72°F Jan (22°C)
53°F Jul (12°C)
| Annual Average | 63.0°F |
| 17% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 53°F (12°C) |
| Sunny Days | 314 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 9.6 sq mi (24.9 km²) |
| Population Density | 52/sq mi |
| Coordinates | -33.9000°N, 136.5667°W |
| Timezone | Australia/Adelaide |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Jun 5, 2010 | 23 km NW of Cowell, Australia | M4.7 | 40 km | 15 km |
| Jun 9, 1996 | 40 km WNW of Tumby Bay, Australia | M4.4 | 91 km | 10 km |
| Oct 27, 1995 | 69 km WSW of Minlaton, Australia | M3.8 | 139 km | 10 km |
| May 6, 1998 | near the coast of South Australia | M3.7 | 37 km | 10 km |
| Feb 26, 1998 | 50 km NNW of Cowell, Australia | M3.6 | 75 km | 33 km |
| May 9, 2001 | 28 km SSW of Minlaton, Australia | M3.5 | 149 km | 10 km |
| Jul 17, 2006 | 55 km S of Cowell, Australia | M3.4 | 46 km | 10 km |
| May 2, 2003 | 26 km ENE of Kadina, Australia | M2.9 | 131 km | 10 km |
| Nov 8, 2002 | 33 km N of Tumby Bay, Australia | M2.8 | 49 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 0.6 in | Driest |
| February | 73°F (23°C) | 0.6 in | Warmest |
| March | 70°F (21°C) | 0.7 in | |
| April | 64°F (18°C) | 0.9 in | |
| May | 59°F (15°C) | 1.3 in | |
| June | 55°F (13°C) | 1.4 in | |
| July | 53°F (12°C) | 1.4 in | Coldest |
| August | 55°F (13°C) | 1.5 in | Wettest |
| September | 58°F (14°C) | 1.4 in | |
| October | 62°F (17°C) | 1.1 in | |
| November | 66°F (19°C) | 0.8 in | |
| December | 69°F (21°C) | 0.8 in |
Arno Bay has a seasonal temperature swing of 20°F / from 53°F in July to 73°F in February. Total annual precipitation is 12.4 inches, with August being the wettest month (1.5") and January the driest (0.6").