Merriwa, Australia

Full City Profile

1.9 /5.0

D Poor

5,317 Population 5,974/sq mi density

66 ft Elevation 20 meters

66°F Avg Temperature 19°C

Overall

1.9 / 5.0

Below average overall score based on economy, affordability, safety and education

Economy

2.1 / 5.0

$21,497 median income, 8.5% unemployment

Affordability

1.8 / 5.0

$186,000 home value, $930/mo rent

Merriwa enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 75°F in January while summers reach 57°F in July. The area gets 349 sunny days per year. Annual precipitation totals 18.6 inches. The area receives 0.0 inches of snow annually.

Temperature

75°F Jan (24°C) 57°F Jul (14°C)

Annual Average	66.4°F
	23% above US avg
January Average	75°F (24°C)
July Average	57°F (14°C)
Sunny Days	349 days/yr

Geography

Elevation	66 ft (20 m)
Area	0.9 sq mi (2.3 km²)
Population Density	5,974/sq mi
Coordinates	-31.6649°N, 115.7127°W
Timezone	Australia/Perth

Precipitation & Snow

Annual Rainfall 18.6"

51% below US avg

Snowfall 0.0"

Wettest Month (Jul) 5.87"

Driest Month (Dec) 0.35"

Air Quality

Earthquake History

14 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.2. Most recent: M3.0 on Jun 2, 2005.

Jan 17, 1990	30 km E of Northam, Australia	M5.2	121 km
Dec 20, 1996	61 km N of Toodyay, Australia	M4.5	111 km
Mar 24, 2003	36 km NE of York, Australia	M4.0	130 km
Jan 20, 1993	45 km E of Northam, Australia	M3.9	137 km
Mar 15, 1999	35 km NE of York, Australia	M3.7	128 km
Jan 5, 1998	41 km ENE of Northam, Australia	M3.6	132 km
Apr 23, 1992	68 km NNE of Toodyay, Australia	M3.3	127 km
Jun 2, 2005	52 km ENE of Northam, Australia	M3.0	143 km
May 6, 2005	5 km NW of Bullsbrook, Australia	M2.8	24 km
Jul 18, 2003	42 km N of Toodyay, Australia	M2.8	96 km
Mar 15, 2005	46 km NE of Boddington, Australia	M2.7	143 km
May 12, 2005	31 km ENE of Beverley, Australia	M2.6	144 km
Apr 15, 2005	10 km SSW of York, Australia	M2.5	100 km
Aug 11, 2003	25 km ENE of Beverley, Australia	M2.5	141 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

1 hurricane (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Seroja (2021).

Year	Name	Category	Closest
2021	Seroja	Category 1	253 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	75°F (24°C)	0.5 in
February	76°F (25°C)	0.7 in	Warmest
March	74°F (23°C)	0.7 in
April	67°F (20°C)	1.5 in
May	62°F (16°C)	3.8 in
June	57°F (14°C)	5.5 in
July	57°F (14°C)	5.9 in	Wettest
August	56°F (13°C)	4.5 in	Coldest
September	58°F (15°C)	2.9 in
October	61°F (16°C)	1.7 in
November	67°F (19°C)	0.9 in
December	72°F (22°C)	0.4 in	Driest

Merriwa has a seasonal temperature swing of 20°F / from 56°F in August to 76°F in February. Total annual precipitation is 28.8 inches, with July being the wettest month (5.9") and December the driest (0.4").

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