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Weather & Climate in Swansea, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Swansea experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 63°F in January while summers reach 47°F in July / relatively mild seasonal variation. The area gets 292 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 24.1 inches (drier than the 38-inch national average). The city sits at an elevation of 39 feet.
Temperature
63°F Jan (17°C)
47°F Jul (8°C)
| Annual Average | 55.0°F |
| 2% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 47°F (8°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 565.8 sq mi (1,465.5 km²) |
| Population Density | 2/sq mi |
| Coordinates | -42.1228°N, 148.0743°W |
| Timezone | Australia/Hobart |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Jun 15, 2002 | 46 km NNE of Bagdad, Australia | M4.7 | 59 km | 10 km |
| Jul 22, 2002 | 47 km NE of Scottsdale, Australia | M3.2 | 136 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 2.4 in | |
| February | 63°F (17°C) | 1.4 in | Warmest, Driest |
| March | 60°F (16°C) | 2.1 in | |
| April | 56°F (13°C) | 2.0 in | |
| May | 52°F (11°C) | 1.7 in | |
| June | 48°F (9°C) | 1.8 in | |
| July | 47°F (8°C) | 1.9 in | Coldest |
| August | 48°F (9°C) | 1.9 in | |
| September | 51°F (11°C) | 1.7 in | |
| October | 54°F (12°C) | 2.1 in | |
| November | 57°F (14°C) | 2.3 in | |
| December | 61°F (16°C) | 2.9 in | Wettest |
Swansea has a seasonal temperature swing of 17°F / from 47°F in July to 63°F in February. Total annual precipitation is 24.1 inches, with December being the wettest month (2.9") and February the driest (1.4").