Stilfontein, South Africa

Full City Profile

93,110 Population
4,452 ft Elevation 1,357 meters
64°F Avg Temperature 18°C
Stilfontein enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 73°F in January while summers reach 50°F in July. Annual precipitation totals 23.4 inches. The area receives 0.0 inches of snow annually.

Temperature

73°F Jan (23°C) 50°F Jul (10°C)
Annual Average63.5°F
18% above US avg
January Average73°F (23°C)
July Average50°F (10°C)

Geography

Elevation4,452 ft (1,357 m)
Coordinates26.8449°S, 26.7683°E
TimezoneAfrica/Johannesburg

Precipitation & Snow

Annual Rainfall 23.4"
38% below US avg
Snowfall 0.0"
Wettest Month (Jan) 4.25"
Driest Month (Jul) 0.16"

Air Quality

Earthquake History

1,093 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.7. Most recent: M4.8 on Jul 10, 2025.

Apr 22, 1999 10 km WNW of Welkom, South Africa M5.7 124 km
Oct 30, 1994 6 km S of Welkom, South Africa M5.6 132 km
Aug 5, 2014 3 km ESE of Orkney, South Africa M5.4 17 km
Jun 6, 1992 5 km SSE of Welkom, South Africa M5.3 131 km
Apr 3, 2017 7 km SSE of Stilfontein, South Africa M5.2 8 km
Feb 10, 1997 5 km SSE of Orkney, South Africa M5.2 21 km
Nov 3, 1991 5 km SE of Klerksdorp, South Africa M5.1 9 km
Jul 21, 1997 4 km W of Klerksdorp, South Africa M5.0 15 km
Sep 26, 1990 4 km S of Welkom, South Africa M5.0 130 km
Mar 9, 2005 7 km SSE of Stilfontein, South Africa M5.0 8 km
Mar 16, 2009 8 km ENE of Orkney, South Africa M5.0 12 km
Dec 1, 1991 2 km S of Klerksdorp, South Africa M5.0 11 km
May 27, 2002 4 km ENE of Orkney, South Africa M5.0 14 km
Jun 14, 2010 8 km NNW of Fochville, South Africa M5.0 85 km
Jul 29, 2000 13 km SSW of Allanridge, South Africa M4.9 115 km
Dec 11, 1997 7 km SSW of Klerksdorp, South Africa M4.9 15 km
Nov 25, 1995 South Africa M4.9 10 km
Feb 17, 2005 13 km WSW of Klerksdorp, South Africa M4.9 23 km
Mar 22, 2019 8 km WNW of Virginia, South Africa M4.9 136 km
Jul 13, 1998 14 km ENE of Welkom, South Africa M4.9 122 km
Source: USGS (M2.5+, 1990-2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 73°F (23°C) 4.3 in Warmest, Wettest
February 72°F (22°C) 3.4 in
March 69°F (21°C) 3.1 in
April 63°F (17°C) 1.8 in
May 56°F (13°C) 0.6 in
June 50°F (10°C) 0.2 in Coldest
July 50°F (10°C) 0.2 in Driest
August 55°F (13°C) 0.4 in
September 63°F (17°C) 0.9 in
October 68°F (20°C) 2.6 in
November 70°F (21°C) 2.8 in
December 72°F (22°C) 3.4 in

Stilfontein has a seasonal temperature swing of 23°F / from 50°F in June to 73°F in January. Total annual precipitation is 23.4 inches, with January being the wettest month (4.3") and July the driest (0.2").

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