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Weather & Climate in Alton Downs, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alton Downs has a warm climate with an average annual temperature of 73°F (23°C). Winters average 77°F in January while summers reach 65°F in July / relatively mild seasonal variation. The area gets 339 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 28.9 inches (drier than the 38-inch national average). The city sits at an elevation of 69 feet.
Temperature
77°F Jan (25°C)
65°F Jul (18°C)
| Annual Average | 72.8°F |
| 35% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 339 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 292.3 sq mi (757.1 km²) |
| Population Density | 4/sq mi |
| Coordinates | -23.3000°N, 150.3500°W |
| Timezone | Australia/Brisbane |
Precipitation & Snow
Air Quality
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2015 | Marcia | Category 4 | 127 mph | 15 km |
| 2009 | Hamish | Category 4 | 132 mph | 259 km |
| 1983 | Elinor | Category 1 | 63 mph | 117 km |
| 1980 | Simon | Category 3 | 104 mph | 103 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 5.7 in | Wettest |
| February | 80°F (27°C) | 5.5 in | Warmest |
| March | 78°F (26°C) | 3.9 in | |
| April | 74°F (24°C) | 2.3 in | |
| May | 69°F (20°C) | 2.4 in | |
| June | 63°F (17°C) | 1.3 in | Coldest |
| July | 65°F (18°C) | 1.3 in | |
| August | 64°F (18°C) | 1.2 in | |
| September | 69°F (21°C) | 0.9 in | Driest |
| October | 74°F (23°C) | 1.8 in | |
| November | 77°F (25°C) | 3.1 in | |
| December | 80°F (27°C) | 4.8 in |
Alton Downs has a seasonal temperature swing of 17°F / from 63°F in June to 80°F in February. Total annual precipitation is 34.2 inches, with January being the wettest month (5.7") and September the driest (0.9").