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Weather & Climate in Simpson, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Simpson enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 63°F in January while summers reach 49°F in July / relatively mild seasonal variation. The area gets 261 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 41.1 inches. The city sits at an elevation of 558 feet.
Temperature
63°F Jan (17°C)
49°F Jul (9°C)
| Annual Average | 56.2°F |
| 4% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 49°F (9°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 558 ft (170 m) |
| Area | 1,427.3 sq mi (3,696.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | -38.5023°N, 143.2501°W |
| Timezone | Australia/Melbourne |
Precipitation & Snow
Air Quality
Earthquake History
5 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 | 134 km | 2 km |
| Nov 8, 1992 | 20 km NNE of Colac, Australia | M3.6 | 54 km | 10 km |
| Jun 30, 2005 | 59 km S of Port Fairy, Australia | M3.5 | 96 km | 0 km |
| May 1, 2013 | 7 km NW of Clifton Springs, Australia | M3.1 | 116 km | 10 km |
| Mar 30, 2010 | 4 km NNE of Portarlington, Australia | M3.0 | 133 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Newer Volcanics Province (105 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Newer Volcanics Province | Shield(s) | 1,011 m (3,317 ft) | -2900 | 105 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 2.1 in | |
| February | 65°F (18°C) | 1.7 in | Warmest, Driest |
| March | 62°F (17°C) | 2.3 in | |
| April | 58°F (14°C) | 3.2 in | |
| May | 54°F (12°C) | 3.9 in | |
| June | 50°F (10°C) | 4.3 in | |
| July | 49°F (9°C) | 4.8 in | Coldest |
| August | 50°F (10°C) | 5.0 in | Wettest |
| September | 52°F (11°C) | 4.3 in | |
| October | 55°F (13°C) | 3.9 in | |
| November | 57°F (14°C) | 3.0 in | |
| December | 60°F (16°C) | 2.6 in |
Simpson has a seasonal temperature swing of 16°F / from 49°F in July to 65°F in February. Total annual precipitation is 41.1 inches, with August being the wettest month (5.0") and February the driest (1.7").