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Weather & Climate in Joondalup, Australia

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Joondalup enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 78°F in January while summers reach 54°F in July / relatively mild seasonal variation. The area gets 341 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 19.5 inches (drier than the 38-inch national average). The city sits at an elevation of 161 feet.

Temperature

78°F Jan (26°C) 54°F Jul (12°C)
Annual Average65.9°F
22% above US avg
January Average78°F (26°C)
July Average54°F (12°C)
Sunny Days341 days/yr

Geography

Elevation161 ft (49 m)
Area4.1 sq mi (10.7 km²)
Population Density2,252/sq mi
Coordinates-31.7445°N, 115.7684°W
TimezoneAustralia/Perth

Precipitation & Snow

Annual Rainfall 19.5"
49% below US avg
Snowfall 0.0"
Wettest Month (Jul) 5.98"
Driest Month (Dec) 0.31"

Air Quality

Earthquake History

17 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.

Jan 17, 1990 30 km E of Northam, Australia M5.2 116 km 7 km
Dec 20, 1996 61 km N of Toodyay, Australia M4.5 113 km 10 km
Mar 24, 2003 36 km NE of York, Australia M4.0 125 km 5 km
Jan 25, 2025 59 km ENE of York, Australia M4.0 149 km 10 km
Jan 20, 1993 45 km E of Northam, Australia M3.9 132 km 33 km
Mar 15, 1999 35 km NE of York, Australia M3.7 123 km 10 km
Jan 5, 1998 41 km ENE of Northam, Australia M3.6 128 km 10 km
Apr 23, 1992 68 km NNE of Toodyay, Australia M3.3 128 km 10 km
Jun 2, 2005 52 km ENE of Northam, Australia M3.0 139 km 0 km
May 6, 2005 5 km NW of Bullsbrook, Australia M2.8 22 km 2 km
Jul 18, 2003 42 km N of Toodyay, Australia M2.8 98 km 0 km
Mar 15, 2005 46 km NE of Boddington, Australia M2.7 134 km 0 km
Jun 12, 2002 30 km SSE of Beverley, Australia M2.7 143 km 10 km
May 12, 2005 31 km ENE of Beverley, Australia M2.6 138 km 5 km
Apr 15, 2005 10 km SSW of York, Australia M2.5 93 km 2 km
Jun 14, 2002 30 km SSE of Beverley, Australia M2.5 141 km 10 km
Aug 11, 2003 25 km ENE of Beverley, Australia M2.5 134 km 0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.

Year Name Category Max Wind Closest
2021 Seroja Category 1 63 mph 261 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 78°F (26°C) 0.5 in Warmest
February 76°F (25°C) 0.7 in
March 74°F (23°C) 0.7 in
April 68°F (20°C) 1.4 in
May 62°F (17°C) 3.8 in
June 58°F (14°C) 5.6 in
July 54°F (12°C) 6.0 in Coldest, Wettest
August 57°F (14°C) 4.4 in
September 59°F (15°C) 2.9 in
October 62°F (17°C) 1.7 in
November 67°F (19°C) 0.9 in
December 72°F (22°C) 0.3 in Driest

Joondalup has a seasonal temperature swing of 24°F / from 54°F in July to 78°F in January. Total annual precipitation is 28.9 inches, with July being the wettest month (6.0") and December the driest (0.3").

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