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Weather & Climate in Siyabuswa, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siyabuswa enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 76°F in January while summers reach 57°F in July / relatively mild seasonal variation. The area gets 296 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 22.1 inches (drier than the 38-inch national average). The city sits at an elevation of 3,068 feet.
Temperature
76°F Jan (25°C)
57°F Jul (14°C)
| Annual Average | 68.5°F |
| 27% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 3,068 ft (935 m) |
| Area | 5.8 sq mi (14.9 km²) |
| Population Density | 7,685/sq mi |
| Coordinates | -25.1132°N, 29.0445°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
35 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Dec 2, 2013 | 33 km SE of Modimolle, South Africa | M4.8 | 48 km | 5 km |
| Jul 12, 2002 | 14 km NNW of eMbalenhle, South Africa | M4.7 | 145 km | 5 km |
| Apr 26, 1998 | 6 km SSW of Diepsloot, South Africa | M4.5 | 144 km | 5 km |
| Apr 15, 1992 | 4 km S of Brits, South Africa | M4.4 | 141 km | 5 km |
| Mar 1, 1996 | 7 km E of Eden Glen, South Africa | M4.4 | 139 km | 10 km |
| Jul 12, 2015 | 21 km NW of Brits, South Africa | M4.2 | 146 km | 5 km |
| Dec 18, 2009 | 5 km WSW of Boksburg, South Africa | M4.2 | 150 km | 2 km |
| Jun 22, 2013 | 26 km ESE of Thabazimbi, South Africa | M4.2 | 148 km | 5 km |
| Jun 24, 1991 | 6 km SSE of Springs, South Africa | M3.7 | 146 km | 5 km |
| May 27, 1995 | 4 km WSW of Boksburg, South Africa | M3.7 | 149 km | 5 km |
| Jun 2, 2006 | 19 km SSE of Delmas, South Africa | M3.6 | 138 km | 5 km |
| May 30, 2008 | 18 km NNE of Kriel, South Africa | M3.6 | 113 km | 5 km |
| Jan 24, 2006 | 4 km S of Boksburg, South Africa | M3.6 | 149 km | 2 km |
| Oct 16, 1993 | 10 km ESE of Springs, South Africa | M3.6 | 141 km | 5 km |
| Feb 12, 1993 | 47 km WSW of Siyabuswa, South Africa | M3.4 | 47 km | 5 km |
| Jun 7, 1990 | 0 km SE of Eden Glen, South Africa | M3.4 | 143 km | 5 km |
| Dec 18, 1992 | 3 km W of Boksburg, South Africa | M3.3 | 147 km | 5 km |
| Mar 19, 1993 | 20 km NNE of Kriel, South Africa | M3.3 | 112 km | 5 km |
| Oct 19, 1994 | 7 km W of Boksburg, South Africa | M3.2 | 150 km | 5 km |
| Oct 19, 1994 | 6 km W of Boksburg, South Africa | M3.1 | 149 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 3.5 in | Warmest |
| February | 76°F (24°C) | 3.2 in | |
| March | 73°F (23°C) | 2.4 in | |
| April | 69°F (20°C) | 1.4 in | |
| May | 62°F (17°C) | 0.5 in | |
| June | 57°F (14°C) | 0.2 in | Coldest |
| July | 57°F (14°C) | 0.2 in | Driest |
| August | 62°F (17°C) | 0.2 in | |
| September | 68°F (20°C) | 0.6 in | |
| October | 73°F (23°C) | 1.9 in | |
| November | 74°F (23°C) | 3.8 in | |
| December | 76°F (24°C) | 4.3 in | Wettest |
Siyabuswa has a seasonal temperature swing of 19°F / from 57°F in June to 76°F in January. Total annual precipitation is 22.1 inches, with December being the wettest month (4.3") and July the driest (0.2").