Welkom, South Africa

Full City Profile

431,944 Population 164/sq mi density

4,514 ft Elevation 1,376 meters

63°F Avg Temperature 17°C

Welkom enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 73°F in January while summers reach 50°F in July. The area gets 296 sunny days per year. Annual precipitation totals 22.2 inches. The area receives 0.0 inches of snow annually.

Temperature

73°F Jan (23°C) 50°F Jul (10°C)

Annual Average	63.2°F
	17% above US avg
January Average	73°F (23°C)
July Average	50°F (10°C)
Sunny Days	296 days/yr

Geography

Elevation	4,514 ft (1,376 m)
Area	2,633.5 sq mi (6,820.7 km²)
Population Density	164/sq mi
Coordinates	-27.9774°N, 26.7351°W
Timezone	Africa/Johannesburg

Precipitation & Snow

Annual Rainfall 22.2"

42% below US avg

Snowfall 0.0"

Wettest Month (Jan) 3.62"

Driest Month (Jun) 0.28"

Air Quality

Earthquake History

568 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	10 km
Oct 30, 1994	6 km S of Welkom, South Africa	M5.6	6 km
Aug 5, 2014	3 km ESE of Orkney, South Africa	M5.4	110 km
Jun 6, 1992	5 km SSE of Welkom, South Africa	M5.3	5 km
Feb 10, 1997	5 km SSE of Orkney, South Africa	M5.2	106 km
Apr 3, 2017	7 km SSE of Stilfontein, South Africa	M5.2	119 km
Nov 3, 1991	5 km SE of Klerksdorp, South Africa	M5.1	120 km
Mar 16, 2009	8 km ENE of Orkney, South Africa	M5.0	114 km
Sep 26, 1990	4 km S of Welkom, South Africa	M5.0	4 km
May 27, 2002	4 km ENE of Orkney, South Africa	M5.0	113 km
Dec 1, 1991	2 km S of Klerksdorp, South Africa	M5.0	123 km
Jul 21, 1997	4 km W of Klerksdorp, South Africa	M5.0	125 km
Mar 9, 2005	7 km SSE of Stilfontein, South Africa	M5.0	119 km
Jul 29, 2000	13 km SSW of Allanridge, South Africa	M4.9	17 km
Mar 22, 2019	8 km WNW of Virginia, South Africa	M4.9	11 km
Nov 25, 1995	South Africa	M4.9	117 km
Jul 31, 2001	8 km SW of Klerksdorp, South Africa	M4.9	119 km
Dec 11, 1997	7 km SSW of Klerksdorp, South Africa	M4.9	120 km
Feb 17, 2005	13 km WSW of Klerksdorp, South Africa	M4.9	120 km
Jul 13, 1998	14 km ENE of Welkom, South Africa	M4.9	14 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	73°F (23°C)	3.6 in	Warmest, Wettest
February	72°F (22°C)	3.1 in
March	69°F (21°C)	3.1 in
April	63°F (17°C)	1.8 in
May	56°F (13°C)	0.8 in
June	50°F (10°C)	0.3 in	Coldest, Driest
July	50°F (10°C)	0.3 in
August	55°F (13°C)	0.5 in
September	62°F (17°C)	0.8 in
October	67°F (19°C)	2.2 in
November	70°F (21°C)	3.1 in
December	72°F (22°C)	2.8 in

Welkom has a seasonal temperature swing of 24°F / from 50°F in June to 73°F in January. Total annual precipitation is 22.2 inches, with January being the wettest month (3.6") and June the driest (0.3").

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