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Kirwan, Australia

Full City Profile

2.8 /5.0
C+ Fair
21,034 Population 70/sq mi density
49 ft Elevation 15 meters
70°F Avg Temperature 21°C
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$27,344 median income, 5.3% unemployment
C+
Affordability
2.9 / 5.0
$183,000 home value, $915/mo rent
Kirwan enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 75°F in January while summers reach 63°F in July. The area gets 327 sunny days per year. Annual precipitation totals 40.7 inches. The area receives 0.0 inches of snow annually.

Temperature

75°F Jan (24°C) 63°F Jul (17°C)
Annual Average70.4°F
30% above US avg
January Average75°F (24°C)
July Average63°F (17°C)
Sunny Days327 days/yr

Geography

Elevation49 ft (15 m)
Area300.7 sq mi (778.7 km²)
Population Density70/sq mi
Coordinates-19.3032°N, 146.7253°W
TimezoneAustralia/Brisbane

Precipitation & Snow

Annual Rainfall 40.7"
7% above US avg
Snowfall 0.0"
Wettest Month (Feb) 12.95"
Driest Month (Jul) 0.51"

Air Quality

Earthquake History

5 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.0. Most recent: M4.1 on Mar 1, 2025.

Apr 16, 2011 Queensland, Australia M5.0 139 km
Aug 11, 2003 65 km ENE of Palm Island, Australia M4.8 105 km
Sep 17, 2011 44 km NNW of Collinsville, Australia M4.3 138 km
Mar 1, 2025 0 km SE of Kelso, Australia M4.1 10 km
Apr 16, 2011 45 km NNW of Collinsville, Australia M4.0 139 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

9 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Debbie (2017).

Year Name Category Closest
2017 Debbie Category 4 196 km
2011 Yasi Category 4 169 km
2010 Ului Category 1 197 km
2009 Hamish Category 4 269 km
2006 Larry Category 4 201 km
1996 Celeste Category 1 148 km
1991 Joy Category 2 262 km
1989 Aivu Category 4 75 km
1986 Winifred Category 2 199 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 75°F (24°C) 10.4 in
February 82°F (28°C) 13.0 in Warmest, Wettest
March 81°F (27°C) 8.5 in
April 78°F (25°C) 2.9 in
May 74°F (23°C) 2.2 in
June 68°F (20°C) 0.8 in
July 63°F (17°C) 0.5 in Coldest, Driest
August 69°F (20°C) 0.9 in
September 73°F (23°C) 0.6 in
October 77°F (25°C) 1.5 in
November 80°F (27°C) 3.2 in
December 82°F (28°C) 6.2 in

Kirwan has a seasonal temperature swing of 19°F / from 63°F in July to 82°F in February. Total annual precipitation is 50.6 inches, with February being the wettest month (13.0") and July the driest (0.5").

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