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Grantham, Australia

Full City Profile

2.5 /5.0
C+ Fair
627 Population 1/sq mi density
384 ft Elevation 117 meters
64°F Avg Temperature 18°C
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$21,429 median income, 4.5% unemployment
C
Affordability
2.4 / 5.0
$163,400 home value, $817/mo rent
Grantham enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 72°F in January while summers reach 54°F in July. The area gets 332 sunny days per year. Annual precipitation totals 30.8 inches. The area receives 0.0 inches of snow annually.

Temperature

72°F Jan (22°C) 54°F Jul (12°C)
Annual Average64.3°F
19% above US avg
January Average72°F (22°C)
July Average54°F (12°C)
Sunny Days332 days/yr

Geography

Elevation384 ft (117 m)
Area940.7 sq mi (2,436.3 km²)
Population Density1/sq mi
Coordinates-27.5792°N, 152.2017°W
TimezoneAustralia/Brisbane

Precipitation & Snow

Annual Rainfall 30.8"
19% below US avg
Snowfall 0.0"
Wettest Month (Jan) 4.57"
Driest Month (Aug) 1.02"

Air Quality

Earthquake History

2 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M4.9 on Aug 15, 2025.

Aug 15, 2025 12 km ESE of Cherbourg, Australia M4.9 139 km
Mar 7, 2005 36 km WNW of Kingaroy, Australia M3.6 143 km
Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 72°F (22°C) 4.6 in Wettest
February 76°F (24°C) 4.3 in Warmest
March 74°F (23°C) 2.6 in
April 69°F (20°C) 2.2 in
May 63°F (17°C) 2.4 in
June 57°F (14°C) 1.2 in
July 54°F (12°C) 1.5 in Coldest
August 57°F (14°C) 1.0 in Driest
September 63°F (17°C) 1.3 in
October 68°F (20°C) 2.6 in
November 72°F (22°C) 3.5 in
December 75°F (24°C) 4.5 in

Grantham has a seasonal temperature swing of 22°F / from 54°F in July to 76°F in February. Total annual precipitation is 31.9 inches, with January being the wettest month (4.6") and August the driest (1.0").

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