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Weather & Climate in Bultfontein, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bultfontein enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 73°F in January while summers reach 42°F in July / relatively mild seasonal variation. The area gets 298 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 21.0 inches (drier than the 38-inch national average). The city sits at an elevation of 4,327 feet.
Temperature
73°F Jan (23°C)
42°F Jul (6°C)
| Annual Average | 61.3°F |
| 14% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 42°F (6°C) |
| Sunny Days | 298 days/yr |
Geography
| Elevation | 4,327 ft (1,319 m) |
| Area | 3,212.6 sq mi (8,320.5 km²) |
| Population Density | 9/sq mi |
| Coordinates | -28.2876°N, 26.1500°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
180 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Apr 22, 1999 | 10 km WNW of Welkom, South Africa | M5.7 | 60 km | 5 km |
| Oct 30, 1994 | 6 km S of Welkom, South Africa | M5.6 | 64 km | 5 km |
| Jun 6, 1992 | 5 km SSE of Welkom, South Africa | M5.3 | 66 km | 10 km |
| Sep 26, 1990 | 4 km S of Welkom, South Africa | M5.0 | 64 km | 5 km |
| Jul 29, 2000 | 13 km SSW of Allanridge, South Africa | M4.9 | 64 km | 10 km |
| Mar 22, 2019 | 8 km WNW of Virginia, South Africa | M4.9 | 67 km | 5 km |
| Jul 13, 1998 | 14 km ENE of Welkom, South Africa | M4.9 | 81 km | 10 km |
| Mar 1, 2015 | 8 km ESE of Welkom, South Africa | M4.8 | 74 km | 8 km |
| Aug 1, 1997 | 15 km WNW of Welkom, South Africa | M4.8 | 57 km | 10 km |
| Feb 28, 2002 | 5 km E of Welkom, South Africa | M4.8 | 71 km | 5 km |
| Nov 14, 1990 | 7 km WSW of Virginia, South Africa | M4.8 | 65 km | 5 km |
| Jul 29, 1997 | 8 km SW of Kutloanong, South Africa | M4.8 | 70 km | 5 km |
| Dec 11, 1996 | 8 km SE of Kutloanong, South Africa | M4.8 | 78 km | 5 km |
| Oct 11, 2003 | 7 km W of Kutloanong, South Africa | M4.8 | 73 km | 5 km |
| Dec 17, 1995 | 15 km W of Welkom, South Africa | M4.7 | 56 km | 5 km |
| May 19, 1995 | 7 km SSE of Welkom, South Africa | M4.7 | 66 km | 5 km |
| Aug 10, 2019 | 7 km WSW of Orkney, South Africa | M4.6 | 150 km | 5 km |
| Jun 15, 2022 | 6 km SSW of Kutloanong, South Africa | M4.6 | 72 km | 5 km |
| Nov 26, 2013 | 3 km S of Welkom, South Africa | M4.6 | 66 km | 9 km |
| Mar 9, 2020 | 6 km SSW of Orkney, South Africa | M4.6 | 148 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 3.4 in | Warmest, Wettest |
| February | 72°F (22°C) | 3.0 in | |
| March | 68°F (20°C) | 3.3 in | |
| April | 62°F (17°C) | 1.7 in | |
| May | 54°F (12°C) | 0.7 in | |
| June | 45°F (7°C) | 0.3 in | Driest |
| July | 42°F (6°C) | 0.3 in | Coldest |
| August | 53°F (12°C) | 0.4 in | |
| September | 60°F (15°C) | 0.7 in | |
| October | 66°F (19°C) | 1.7 in | |
| November | 69°F (21°C) | 2.9 in | |
| December | 72°F (22°C) | 2.6 in |
Bultfontein has a seasonal temperature swing of 31°F / from 42°F in July to 73°F in January. Total annual precipitation is 21.0 inches, with January being the wettest month (3.4") and June the driest (0.3").