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Weather & Climate in Swartruggens, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Swartruggens enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 73°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 290 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 25.6 inches (drier than the 38-inch national average). The city sits at an elevation of 4,111 feet.
Temperature
73°F Jan (23°C)
53°F Jul (11°C)
| Annual Average | 64.7°F |
| 20% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 53°F (11°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 4,111 ft (1,253 m) |
| Area | 1,639.4 sq mi (4,245.9 km²) |
| Population Density | 8/sq mi |
| Coordinates | -25.6502°N, 26.6886°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
902 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Aug 5, 2014 | 3 km ESE of Orkney, South Africa | M5.4 | 149 km | 5 km |
| Apr 3, 2017 | 7 km SSE of Stilfontein, South Africa | M5.2 | 140 km | 5 km |
| Nov 3, 1991 | 5 km SE of Klerksdorp, South Africa | M5.1 | 138 km | 5 km |
| Jul 21, 1997 | 4 km W of Klerksdorp, South Africa | M5.0 | 134 km | 5 km |
| Mar 16, 2009 | 8 km ENE of Orkney, South Africa | M5.0 | 145 km | 2 km |
| May 27, 2002 | 4 km ENE of Orkney, South Africa | M5.0 | 146 km | 5 km |
| Jun 14, 2010 | 8 km NNW of Fochville, South Africa | M5.0 | 116 km | 2 km |
| Dec 1, 1991 | 2 km S of Klerksdorp, South Africa | M5.0 | 137 km | 10 km |
| Mar 9, 2005 | 7 km SSE of Stilfontein, South Africa | M5.0 | 141 km | 5 km |
| Mar 7, 1992 | 14 km W of Fochville, South Africa | M4.9 | 117 km | 10 km |
| Mar 1, 2019 | 6 km WSW of Soweto, South Africa | M4.9 | 131 km | 5 km |
| Dec 5, 1998 | 9 km NNE of Fochville, South Africa | M4.9 | 118 km | 10 km |
| Feb 17, 2005 | 13 km WSW of Klerksdorp, South Africa | M4.9 | 141 km | 5 km |
| Jun 15, 2014 | 8 km E of Orkney, South Africa | M4.9 | 149 km | 5 km |
| Sep 6, 2004 | 17 km WNW of Klerksdorp, South Africa | M4.9 | 127 km | 10 km |
| Aug 6, 2000 | 8 km SSW of Westonaria, South Africa | M4.9 | 123 km | 5 km |
| Jul 31, 2001 | 8 km SW of Klerksdorp, South Africa | M4.9 | 141 km | 5 km |
| Dec 11, 1997 | 7 km SSW of Klerksdorp, South Africa | M4.9 | 140 km | 5 km |
| Nov 25, 1995 | South Africa | M4.9 | 142 km | 13 km |
| Jul 17, 2022 | 14 km E of Orkney, South Africa | M4.8 | 149 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) | 4.9 in | Warmest, Wettest |
| February | 72°F (22°C) | 4.0 in | |
| March | 70°F (21°C) | 3.5 in | |
| April | 64°F (18°C) | 1.9 in | |
| May | 58°F (14°C) | 0.6 in | |
| June | 53°F (12°C) | 0.2 in | |
| July | 53°F (11°C) | 0.1 in | Coldest, Driest |
| August | 57°F (14°C) | 0.2 in | |
| September | 65°F (18°C) | 0.8 in | |
| October | 69°F (21°C) | 2.0 in | |
| November | 71°F (22°C) | 3.1 in | |
| December | 72°F (22°C) | 4.4 in |
Swartruggens has a seasonal temperature swing of 21°F / from 53°F in July to 73°F in January. Total annual precipitation is 25.6 inches, with January being the wettest month (4.9") and July the driest (0.1").