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Heilbron, South Africa

Full City Profile

32,836 Population 9/sq mi density
5,049 ft Elevation 1,539 meters
60°F Avg Temperature 16°C
Heilbron enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 70°F in January while summers reach 46°F in July. The area gets 288 sunny days per year. Annual precipitation totals 26.3 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 46°F Jul (8°C)
Annual Average60.4°F
12% above US avg
January Average70°F (21°C)
July Average46°F (8°C)
Sunny Days288 days/yr

Geography

Elevation5,049 ft (1,539 m)
Area3,524.2 sq mi (9,127.5 km²)
Population Density9/sq mi
Coordinates-27.2812°N, 27.9709°W
TimezoneAfrica/Johannesburg

Precipitation & Snow

Annual Rainfall 26.3"
31% below US avg
Snowfall 0.0"
Wettest Month (Jan) 4.49"
Driest Month (Jun) 0.28"

Air Quality

Earthquake History

1,099 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.6. Most recent: M4.8 on Jul 10, 2025.

Oct 30, 1994 6 km S of Welkom, South Africa M5.6 147 km
Aug 5, 2014 3 km ESE of Orkney, South Africa M5.4 129 km
Jun 6, 1992 5 km SSE of Welkom, South Africa M5.3 145 km
Apr 3, 2017 7 km SSE of Stilfontein, South Africa M5.2 123 km
Feb 10, 1997 5 km SSE of Orkney, South Africa M5.2 129 km
Nov 3, 1991 5 km SE of Klerksdorp, South Africa M5.1 133 km
Mar 16, 2009 8 km ENE of Orkney, South Africa M5.0 126 km
Dec 1, 1991 2 km S of Klerksdorp, South Africa M5.0 137 km
Sep 26, 1990 4 km S of Welkom, South Africa M5.0 147 km
Jun 14, 2010 8 km NNW of Fochville, South Africa M5.0 108 km
Mar 9, 2005 7 km SSE of Stilfontein, South Africa M5.0 124 km
May 27, 2002 4 km ENE of Orkney, South Africa M5.0 129 km
Jul 21, 1997 4 km W of Klerksdorp, South Africa M5.0 142 km
Nov 25, 1995 South Africa M4.9 130 km
Dec 11, 1997 7 km SSW of Klerksdorp, South Africa M4.9 139 km
Jul 29, 2000 13 km SSW of Allanridge, South Africa M4.9 150 km
Jun 15, 2014 8 km E of Orkney, South Africa M4.9 124 km
Jul 13, 1998 14 km ENE of Welkom, South Africa M4.9 131 km
Mar 22, 2019 8 km WNW of Virginia, South Africa M4.9 146 km
Feb 17, 2005 13 km WSW of Klerksdorp, South Africa M4.9 147 km
Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 70°F (21°C) 4.5 in Warmest, Wettest
February 69°F (21°C) 3.3 in
March 66°F (19°C) 3.1 in
April 60°F (16°C) 1.8 in
May 53°F (12°C) 0.6 in
June 47°F (8°C) 0.3 in Driest
July 46°F (8°C) 0.3 in Coldest
August 53°F (11°C) 0.6 in
September 59°F (15°C) 1.1 in
October 65°F (18°C) 3.0 in
November 67°F (19°C) 3.9 in
December 69°F (21°C) 4.1 in

Heilbron has a seasonal temperature swing of 24°F / from 46°F in July to 70°F in January. Total annual precipitation is 26.3 inches, with January being the wettest month (4.5") and June the driest (0.3").

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