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Weather & Climate in Wannanup, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wannanup enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 70°F in January while summers reach 61°F in July / relatively mild seasonal variation. The area gets 344 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 20.6 inches (drier than the 38-inch national average). The city sits at an elevation of 23 feet.
Temperature
70°F Jan (21°C)
61°F Jul (16°C)
| Annual Average | 65.5°F |
| 21% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 344 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 4.9 sq mi (12.6 km²) |
| Population Density | 692/sq mi |
| Coordinates | -32.5995°N, 115.6449°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.8.
| May 6, 2005 | 5 km NW of Bullsbrook, Australia | M2.8 | 111 km | 2 km |
| Mar 4, 2006 | 9 km ESE of Donnybrook, Australia | M2.7 | 116 km | 0 km |
| Mar 15, 2005 | 46 km NE of Boddington, Australia | M2.7 | 113 km | 0 km |
| Apr 23, 2001 | 19 km WNW of Narrogin, Australia | M2.7 | 129 km | 10 km |
| Jun 12, 2002 | 30 km SSE of Beverley, Australia | M2.7 | 140 km | 10 km |
| Feb 18, 2002 | 22 km SE of Collie, Australia | M2.5 | 119 km | 10 km |
| Apr 15, 2005 | 10 km SSW of York, Australia | M2.5 | 123 km | 2 km |
| Jun 14, 2002 | 30 km SSE of Beverley, Australia | M2.5 | 138 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 70°F (21°C) | 0.7 in | |
| February | 74°F (23°C) | 0.7 in | Warmest |
| March | 72°F (22°C) | 0.7 in | |
| April | 66°F (19°C) | 1.8 in | |
| May | 61°F (16°C) | 4.8 in | |
| June | 58°F (14°C) | 6.7 in | |
| July | 61°F (16°C) | 6.8 in | Wettest |
| August | 56°F (13°C) | 4.6 in | Coldest |
| September | 58°F (14°C) | 3.3 in | |
| October | 61°F (16°C) | 1.8 in | |
| November | 65°F (18°C) | 1.1 in | |
| December | 70°F (21°C) | 0.4 in | Driest |
Wannanup has a seasonal temperature swing of 18°F / from 56°F in August to 74°F in February. Total annual precipitation is 33.3 inches, with July being the wettest month (6.8") and December the driest (0.4").