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Weather & Climate in Tumby Bay, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tumby Bay enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 71°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 309 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 15.0 inches (drier than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
71°F Jan (21°C)
53°F Jul (12°C)
| Annual Average | 62.0°F |
| 15% above US avg | |
| January Average | 71°F (21°C) |
| July Average | 53°F (12°C) |
| Sunny Days | 309 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 9.6 sq mi (24.9 km²) |
| Population Density | 177/sq mi |
| Coordinates | -34.3773°N, 136.1007°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 | 107 km | 15 km |
| Jun 9, 1996 | 40 km WNW of Tumby Bay, Australia | M4.4 | 40 km | 10 km |
| Oct 27, 1995 | 69 km WSW of Minlaton, Australia | M3.8 | 112 km | 10 km |
| May 6, 1998 | near the coast of South Australia | M3.7 | 71 km | 10 km |
| Feb 26, 1998 | 50 km NNW of Cowell, Australia | M3.6 | 139 km | 33 km |
| May 9, 2001 | 28 km SSW of Minlaton, Australia | M3.5 | 144 km | 10 km |
| Jul 17, 2006 | 55 km S of Cowell, Australia | M3.4 | 80 km | 10 km |
| May 27, 2003 | 57 km SSW of Port Lincoln, Australia | M3.2 | 101 km | 13 km |
| Nov 8, 2002 | 33 km N of Tumby Bay, Australia | M2.8 | 34 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (21°C) | 0.6 in | |
| February | 72°F (22°C) | 0.4 in | Warmest, Driest |
| March | 68°F (20°C) | 0.6 in | |
| April | 64°F (18°C) | 1.1 in | |
| May | 59°F (15°C) | 1.6 in | |
| June | 54°F (12°C) | 2.0 in | |
| July | 53°F (12°C) | 2.3 in | Coldest, Wettest |
| August | 54°F (12°C) | 2.2 in | |
| September | 57°F (14°C) | 1.7 in | |
| October | 61°F (16°C) | 1.1 in | |
| November | 65°F (18°C) | 0.7 in | |
| December | 68°F (20°C) | 0.8 in |
Tumby Bay has a seasonal temperature swing of 19°F / from 53°F in July to 72°F in February. Total annual precipitation is 15.0 inches, with July being the wettest month (2.3") and February the driest (0.4").