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Weather & Climate in Mullewa, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mullewa enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 82°F in January while summers reach 55°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 13.3 inches (drier than the 38-inch national average). The city sits at an elevation of 909 feet.
Temperature
82°F Jan (28°C)
55°F Jul (13°C)
| Annual Average | 68.5°F |
| 27% above US avg | |
| January Average | 82°F (28°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 909 ft (277 m) |
| Area | 160.3 sq mi (415.1 km²) |
| Population Density | 3/sq mi |
| Coordinates | -28.5395°N, 115.5117°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Mar 17, 1991 | 41 km SSW of Kalbarri, Australia | M3.8 | 150 km | 33 km |
| Sep 4, 2001 | 105 km ENE of Kalbarri, Australia | M3.4 | 150 km | 10 km |
| Apr 10, 2003 | 57 km W of Port Denison, Australia | M3.3 | 145 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Seroja | Category 1 | 75 mph | 103 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 82°F (28°C) | 0.6 in | |
| February | 83°F (28°C) | 0.7 in | Warmest |
| March | 79°F (26°C) | 0.8 in | |
| April | 71°F (21°C) | 0.8 in | |
| May | 63°F (17°C) | 1.9 in | |
| June | 58°F (14°C) | 2.3 in | Wettest |
| July | 55°F (13°C) | 2.2 in | Coldest |
| August | 56°F (13°C) | 1.7 in | |
| September | 60°F (16°C) | 1.0 in | |
| October | 66°F (19°C) | 0.6 in | |
| November | 72°F (22°C) | 0.3 in | Driest |
| December | 78°F (26°C) | 0.3 in |
Mullewa has a seasonal temperature swing of 27°F / from 55°F in July to 83°F in February. Total annual precipitation is 13.3 inches, with June being the wettest month (2.3") and November the driest (0.3").