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Derby, Australia

Full City Profile

3.8 /5.0
B+ Good
4,110 Population 66/sq mi density
43 ft Elevation 13 meters
82°F Avg Temperature 28°C
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$28,899 median income, 4.6% unemployment
A+
Affordability
4.7 / 5.0
$101,400 home value, $507/mo rent
Derby has a warm climate with an average annual temperature of 82°F (28°C). Winters average 87°F in January while summers reach 73°F in July. The area gets 290 sunny days per year. Annual precipitation totals 25.5 inches. The area receives 0.0 inches of snow annually.

Temperature

87°F Jan (30°C) 73°F Jul (23°C)
Annual Average81.9°F
52% above US avg
January Average87°F (30°C)
July Average73°F (23°C)
Sunny Days290 days/yr

Geography

Elevation43 ft (13 m)
Area62.7 sq mi (162.4 km²)
Population Density66/sq mi
Coordinates-17.3030°N, 123.6286°W
TimezoneAustralia/Perth

Precipitation & Snow

Annual Rainfall 25.5"
33% below US avg
Snowfall 0.0"
Wettest Month (Jan) 8.11"
Driest Month (Sep) 0.04"

Air Quality

Earthquake History

11 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.4. Most recent: M3.8 on Mar 16, 2014.

May 7, 2011 62 km NE of Roebuck, Australia M4.4 93 km
Sep 1, 1997 57 km E of Roebuck, Australia M4.3 108 km
Mar 18, 2003 21 km NE of Derby, Australia M4.3 22 km
Jan 9, 1991 49 km SE of Derby, Australia M4.3 50 km
Apr 18, 1992 39 km W of Derby, Australia M4.2 40 km
Aug 17, 1990 37 km NNE of Roebuck, Australia M4.0 123 km
Jan 24, 2005 56 km NE of Bilingurr, Australia M3.8 113 km
Sep 9, 2000 95 km NNE of Derby, Australia M3.8 96 km
Mar 16, 2014 86 km E of Derby, Australia M3.8 87 km
Feb 5, 2002 52 km NNE of Bilingurr, Australia M3.5 138 km
Feb 9, 2007 57 km S of Derby, Australia M3.2 57 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

15 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Hayley (2026).

Year Name Category Closest
2026 Hayley Category 2 59 km
2025 Errol Category 1 257 km
2018 Marcus Category 2 234 km
2010 Laurence Category 4 91 km
2006 Glenda Category 4 243 km
2004 Fay Category 2 210 km
2002 Chris Category 2 269 km
2001 Sam Category 3 233 km
2001 Alistair Category 1 226 km
2000 Rosita Category 4 173 km
1999 Thelma Category 4 184 km
1997 Phil Category 1 279 km
1996 Kirsty Category 2 250 km
1995 Chloe Category 4 93 km
1980 Enid Category 1 240 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 87°F (30°C) 8.1 in Wettest
February 86°F (30°C) 8.1 in
March 86°F (30°C) 4.5 in
April 84°F (29°C) 0.9 in
May 79°F (26°C) 0.8 in
June 74°F (23°C) 0.3 in
July 73°F (23°C) 0.1 in Coldest
August 75°F (24°C) 0.0 in Driest
September 80°F (27°C) 0.0 in
October 85°F (29°C) 0.1 in
November 87°F (31°C) 0.4 in
December 88°F (31°C) 2.2 in Warmest

Derby has a seasonal temperature swing of 15°F / from 73°F in July to 88°F in December. Total annual precipitation is 25.5 inches, with January being the wettest month (8.1") and August the driest (0.0").

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