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Weather & Climate in Muswellbrook, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Muswellbrook enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 72°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 341 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 22.0 inches (drier than the 38-inch national average). The city sits at an elevation of 538 feet.
Temperature
72°F Jan (22°C)
53°F Jul (12°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 53°F (12°C) |
| Sunny Days | 341 days/yr |
Geography
| Elevation | 538 ft (164 m) |
| Area | 1,772.9 sq mi (4,591.8 km²) |
| Population Density | 9/sq mi |
| Coordinates | -32.2612°N, 150.8901°W |
| Timezone | Australia/Sydney |
Precipitation & Snow
Air Quality
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Aug 6, 1994 | 9 km WSW of Ellalong, Australia | M5.3 | 84 km | 10 km |
| Apr 22, 2025 | 18 km SW of Singleton, Australia | M5.1 | 51 km | 10 km |
| Aug 23, 2024 | 7 km ENE of Denman, Australia | M4.8 | 17 km | 10 km |
| Aug 24, 2024 | 8 km NE of Denman, Australia | M4.5 | 15 km | 11 km |
| Sep 6, 2024 | New South Wales, Australia | M4.4 | 18 km | 9 km |
| May 2, 2020 | 11 km ENE of Denman, Australia | M4.0 | 13 km | 16 km |
| Mar 1, 2025 | 12 km N of Denman, Australia | M3.3 | 21 km | 10 km |
| Mar 11, 2010 | 8 km NE of Hawks Nest, Australia | M3.3 | 134 km | 0 km |
| Feb 23, 1990 | 49 km S of Denman, Australia | M3.0 | 66 km | 10 km |
| Jul 2, 2006 | 9 km SSW of Muswellbrook, Australia | M2.8 | 10 km | 12 km |
| May 15, 2004 | 23 km ENE of Dungog, Australia | M2.8 | 102 km | 12 km |
| Jan 14, 2025 | 13 km ESE of Denman, Australia | M2.7 | 18 km | 10 km |
| Aug 26, 2024 | 12 km SSW of Muswellbrook, Australia | M2.7 | 13 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) | 3.7 in | Wettest |
| February | 74°F (23°C) | 2.8 in | Warmest |
| March | 70°F (21°C) | 2.6 in | |
| April | 64°F (18°C) | 1.7 in | |
| May | 58°F (14°C) | 2.1 in | |
| June | 52°F (11°C) | 1.7 in | Coldest |
| July | 53°F (12°C) | 1.7 in | |
| August | 53°F (12°C) | 1.4 in | Driest |
| September | 58°F (14°C) | 1.9 in | |
| October | 64°F (18°C) | 2.4 in | |
| November | 68°F (20°C) | 2.6 in | |
| December | 73°F (23°C) | 2.8 in |
Muswellbrook has a seasonal temperature swing of 22°F / from 52°F in June to 74°F in February. Total annual precipitation is 27.4 inches, with January being the wettest month (3.7") and August the driest (1.4").