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Weather & Climate in Portland West, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portland West enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 63°F in January while summers reach 50°F in July / relatively mild seasonal variation. The area gets 277 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 32.3 inches. The city sits at an elevation of 108 feet.
Temperature
63°F Jan (17°C)
50°F Jul (10°C)
| Annual Average | 56.8°F |
| 5% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 50°F (10°C) |
| Sunny Days | 277 days/yr |
Geography
| Elevation | 108 ft (33 m) |
| Area | 2,536.1 sq mi (6,568.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | -38.3540°N, 141.5740°W |
| Timezone | Australia/Melbourne |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Jun 1, 2011 | 45 km NE of Hamilton, Australia | M3.8 | 122 km | 2 km |
| Jan 5, 2002 | 44 km S of Moorak, Australia | M3.6 | 78 km | 10 km |
| Feb 6, 1999 | 44 km S of Moorak, Australia | M3.6 | 81 km | 10 km |
| Jun 30, 2005 | 59 km S of Port Fairy, Australia | M3.5 | 88 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Newer Volcanics Province (104 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Newer Volcanics Province | Shield(s) | 1,011 m (3,317 ft) | -2900 | 104 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 1.5 in | |
| February | 64°F (18°C) | 0.9 in | Warmest, Driest |
| March | 62°F (17°C) | 1.7 in | |
| April | 58°F (15°C) | 2.5 in | |
| May | 55°F (13°C) | 3.1 in | |
| June | 51°F (11°C) | 3.9 in | |
| July | 50°F (10°C) | 4.4 in | Coldest, Wettest |
| August | 51°F (11°C) | 4.2 in | |
| September | 53°F (12°C) | 3.5 in | |
| October | 55°F (13°C) | 2.8 in | |
| November | 58°F (14°C) | 2.1 in | |
| December | 61°F (16°C) | 1.7 in |
Portland West has a seasonal temperature swing of 14°F / from 50°F in July to 64°F in February. Total annual precipitation is 32.3 inches, with July being the wettest month (4.4") and February the driest (0.9").