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Weather & Climate in Jarrahdale, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jarrahdale enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 75°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 340 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 27.0 inches (drier than the 38-inch national average). The city sits at an elevation of 751 feet.
Temperature
75°F Jan (24°C)
53°F Jul (12°C)
| Annual Average | 63.3°F |
| 17% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 53°F (12°C) |
| Sunny Days | 340 days/yr |
Geography
| Elevation | 751 ft (229 m) |
| Area | 99.0 sq mi (256.4 km²) |
| Population Density | 12/sq mi |
| Coordinates | -32.3358°N, 116.0595°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Earthquake History
22 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Jan 17, 1990 | 30 km E of Northam, Australia | M5.2 | 115 km | 7 km |
| Jan 24, 2022 | 23 km W of Wagin, Australia | M4.9 | 148 km | 7 km |
| Jan 24, 2022 | 29 km NE of Narrogin, Australia | M4.2 | 138 km | 10 km |
| Jan 22, 2022 | 32 km WSW of Wagin, Australia | M4.2 | 146 km | 10 km |
| Mar 24, 2003 | 36 km NE of York, Australia | M4.0 | 120 km | 5 km |
| Jan 25, 2025 | 59 km ENE of York, Australia | M4.0 | 141 km | 10 km |
| Jan 20, 1993 | 45 km E of Northam, Australia | M3.9 | 129 km | 33 km |
| Mar 15, 1999 | 35 km NE of York, Australia | M3.7 | 119 km | 10 km |
| Jan 5, 1998 | 41 km ENE of Northam, Australia | M3.6 | 131 km | 10 km |
| Jan 5, 1994 | 40 km ENE of Beverley, Australia | M3.2 | 126 km | 10 km |
| Jun 2, 2005 | 52 km ENE of Northam, Australia | M3.0 | 142 km | 0 km |
| Jul 18, 2003 | 42 km N of Toodyay, Australia | M2.8 | 137 km | 0 km |
| May 6, 2005 | 5 km NW of Bullsbrook, Australia | M2.8 | 79 km | 2 km |
| Apr 23, 2001 | 19 km WNW of Narrogin, Australia | M2.7 | 106 km | 10 km |
| Mar 15, 2005 | 46 km NE of Boddington, Australia | M2.7 | 77 km | 0 km |
| Mar 4, 2006 | 9 km ESE of Donnybrook, Australia | M2.7 | 143 km | 0 km |
| Jun 12, 2002 | 30 km SSE of Beverley, Australia | M2.7 | 98 km | 10 km |
| May 12, 2005 | 31 km ENE of Beverley, Australia | M2.6 | 116 km | 5 km |
| Apr 15, 2005 | 10 km SSW of York, Australia | M2.5 | 74 km | 2 km |
| Jun 14, 2002 | 30 km SSE of Beverley, Australia | M2.5 | 97 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 0.7 in | Warmest |
| February | 73°F (23°C) | 1.0 in | |
| March | 70°F (21°C) | 0.9 in | |
| April | 64°F (18°C) | 2.3 in | |
| May | 58°F (15°C) | 5.6 in | |
| June | 54°F (12°C) | 8.2 in | |
| July | 53°F (12°C) | 8.8 in | Wettest |
| August | 52°F (11°C) | 7.2 in | Coldest |
| September | 55°F (13°C) | 5.0 in | |
| October | 58°F (14°C) | 3.0 in | |
| November | 63°F (17°C) | 1.8 in | |
| December | 69°F (20°C) | 0.7 in | Driest |
Jarrahdale has a seasonal temperature swing of 23°F / from 52°F in August to 75°F in January. Total annual precipitation is 45.2 inches, with July being the wettest month (8.8") and December the driest (0.7").