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Weather & Climate in Moresby, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Moresby enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 78°F in January while summers reach 58°F in July / relatively mild seasonal variation. The area gets 356 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 6.7 inches (drier than the 38-inch national average). The city sits at an elevation of 240 feet.
Temperature
78°F Jan (26°C)
58°F Jul (14°C)
| Annual Average | 69.4°F |
| 29% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 356 days/yr |
Geography
| Elevation | 240 ft (73 m) |
| Area | 10.0 sq mi (26.0 km²) |
| Population Density | 82/sq mi |
| Coordinates | -28.7353°N, 114.6724°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Jul 8, 1997 | 77 km WNW of Drummond Cove, Australia | M4.3 | 86 km | 10 km |
| Mar 17, 1991 | 41 km SSW of Kalbarri, Australia | M3.8 | 94 km | 33 km |
| Apr 10, 2003 | 57 km W of Port Denison, Australia | M3.3 | 74 km | 10 km |
| May 11, 2003 | 61 km SW of Tarcoola Beach, Australia | M2.5 | 71 km | 18 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 | 55 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 0.2 in | |
| February | 81°F (27°C) | 0.5 in | Warmest |
| March | 78°F (26°C) | 0.8 in | |
| April | 72°F (22°C) | 1.0 in | |
| May | 66°F (19°C) | 2.8 in | |
| June | 60°F (16°C) | 3.9 in | Wettest |
| July | 58°F (14°C) | 3.7 in | Coldest |
| August | 58°F (14°C) | 2.7 in | |
| September | 61°F (16°C) | 1.5 in | |
| October | 66°F (19°C) | 0.8 in | |
| November | 71°F (22°C) | 0.5 in | |
| December | 76°F (24°C) | 0.2 in | Driest |
Moresby has a seasonal temperature swing of 23°F / from 58°F in July to 81°F in February. Total annual precipitation is 18.5 inches, with June being the wettest month (3.9") and December the driest (0.2").