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Weather & Climate in Southern Cross, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Southern Cross enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 79°F in January while summers reach 51°F in July / relatively mild seasonal variation. The area gets 312 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 13.2 inches (drier than the 38-inch national average). The city sits at an elevation of 1,188 feet.
Temperature
79°F Jan (26°C)
51°F Jul (11°C)
| Annual Average | 64.7°F |
| 20% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 51°F (11°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 1,188 ft (362 m) |
| Area | 214.4 sq mi (555.2 km²) |
| Population Density | 3/sq mi |
| Coordinates | -31.2268°N, 119.3238°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Earthquake History
21 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Mar 27, 1997 | 37 km W of Merredin, Australia | M4.6 | 139 km | 10 km |
| Jan 3, 2017 | 98 km N of Merredin, Australia | M4.5 | 108 km | 10 km |
| Aug 31, 1997 | 40 km WNW of Merredin, Australia | M4.1 | 141 km | 10 km |
| Oct 2, 2024 | 50 km NW of Merredin, Australia | M4.1 | 142 km | 10 km |
| Jul 27, 2025 | 32 km NW of Merredin, Australia | M4.1 | 124 km | 10 km |
| Sep 3, 1997 | 34 km WNW of Merredin, Australia | M4.0 | 131 km | 10 km |
| Dec 3, 1996 | 165 km ESE of Merredin, Australia | M3.8 | 98 km | 10 km |
| Jan 27, 2005 | 91 km E of Merredin, Australia | M3.5 | 23 km | 5 km |
| Aug 31, 1997 | 29 km WNW of Merredin, Australia | M3.2 | 127 km | 10 km |
| Jun 12, 1998 | 25 km WNW of Merredin, Australia | M3.1 | 123 km | 10 km |
| Jun 5, 2000 | 107 km NNE of Merredin, Australia | M2.9 | 99 km | 10 km |
| May 21, 2001 | 147 km ESE of Merredin, Australia | M2.9 | 89 km | 10 km |
| Jan 3, 2001 | 70 km N of Merredin, Australia | M2.8 | 121 km | 10 km |
| Jul 13, 2000 | 115 km NNE of Merredin, Australia | M2.8 | 98 km | 10 km |
| Apr 15, 2003 | 52 km NE of Merredin, Australia | M2.7 | 59 km | 10 km |
| Dec 18, 2001 | 10 km NE of Merredin, Australia | M2.6 | 95 km | 10 km |
| Mar 9, 2001 | 42 km SSE of Merredin, Australia | M2.6 | 115 km | 10 km |
| Mar 17, 2006 | 79 km N of Merredin, Australia | M2.5 | 114 km | 3 km |
| Oct 17, 2002 | 103 km N of Merredin, Australia | M2.5 | 119 km | 10 km |
| Jun 24, 2000 | 113 km N of Merredin, Australia | M2.5 | 125 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 0.6 in | Warmest, Driest |
| February | 78°F (25°C) | 1.0 in | |
| March | 74°F (23°C) | 1.0 in | |
| April | 66°F (19°C) | 1.3 in | |
| May | 58°F (15°C) | 1.5 in | |
| June | 53°F (12°C) | 1.9 in | Wettest |
| July | 51°F (11°C) | 1.6 in | Coldest |
| August | 53°F (11°C) | 1.4 in | |
| September | 57°F (14°C) | 0.8 in | |
| October | 63°F (17°C) | 0.7 in | |
| November | 69°F (21°C) | 0.8 in | |
| December | 75°F (24°C) | 0.6 in |
Southern Cross has a seasonal temperature swing of 27°F / from 51°F in July to 79°F in January. Total annual precipitation is 13.2 inches, with June being the wettest month (1.9") and January the driest (0.6").