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Weather & Climate in St George Ranges, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St George Ranges has a warm climate with an average annual temperature of 83°F (28°C). Winters average 90°F in January while summers reach 70°F in July / relatively mild seasonal variation. The area gets 305 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 17.0 inches (drier than the 38-inch national average). The city sits at an elevation of 561 feet.
Temperature
90°F Jan (32°C)
70°F Jul (21°C)
| Annual Average | 82.6°F |
| 53% above US avg | |
| January Average | 90°F (32°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 561 ft (171 m) |
| Area | 10.8 sq mi (28.0 km²) |
| Population Density | 114/sq mi |
| Coordinates | -18.9820°N, 125.0087°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Jun 21, 2023 | 73 km NNW of St George Ranges, Australia | M4.2 | 73 km | 10 km |
| Nov 13, 1998 | 17 km SW of St George Ranges, Australia | M3.8 | 17 km | 33 km |
| Jul 27, 2003 | 14 km ESE of St George Ranges, Australia | M3.1 | 14 km | 10 km |
| Feb 5, 2007 | 54 km SE of St George Ranges, Australia | M3.0 | 55 km | 5 km |
| Feb 5, 2007 | 57 km SE of St George Ranges, Australia | M2.7 | 58 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2026 | Hayley | Category 1 | — | 274 km |
| 2010 | Laurence | Category 2 | 92 mph | 227 km |
| 2001 | Sam | Category 1 | 86 mph | 280 km |
| 2000 | Rosita | Category 4 | 127 mph | 109 km |
| 1999 | Thelma | Category 1 | 40 mph | 298 km |
| 1995 | Chloe | Category 2 | 81 mph | 240 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 90°F (32°C) | 5.3 in | Wettest |
| February | 88°F (31°C) | 4.8 in | |
| March | 87°F (31°C) | 2.5 in | |
| April | 84°F (29°C) | 0.6 in | |
| May | 77°F (25°C) | 0.6 in | |
| June | 71°F (22°C) | 0.1 in | |
| July | 70°F (21°C) | 0.2 in | Coldest |
| August | 74°F (23°C) | 0.0 in | Driest |
| September | 81°F (27°C) | 0.1 in | |
| October | 87°F (31°C) | 0.2 in | |
| November | 91°F (33°C) | 0.6 in | |
| December | 91°F (33°C) | 2.0 in | Warmest |
St George Ranges has a seasonal temperature swing of 21°F / from 70°F in July to 91°F in December. Total annual precipitation is 17.0 inches, with January being the wettest month (5.3") and August the driest (0.0").