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Weather & Climate in Harrismith, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Harrismith enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 67°F in January while summers reach 47°F in July / relatively mild seasonal variation. The area gets 285 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 28.2 inches (drier than the 38-inch national average). The city sits at an elevation of 5,390 feet.
Temperature
67°F Jan (19°C)
47°F Jul (8°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 67°F (19°C) |
| July Average | 47°F (8°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 5,390 ft (1,643 m) |
| Area | 2,162.7 sq mi (5,601.5 km²) |
| Population Density | 15/sq mi |
| Coordinates | -28.2728°N, 29.1295°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Oct 11, 1993 | 45 km ESE of Ekuvukeni, South Africa | M3.3 | 148 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (19°C) | 4.5 in | Warmest, Wettest |
| February | 66°F (19°C) | 4.1 in | |
| March | 63°F (17°C) | 3.0 in | |
| April | 58°F (14°C) | 1.6 in | |
| May | 52°F (11°C) | 0.9 in | |
| June | 47°F (8°C) | 0.4 in | Coldest |
| July | 47°F (8°C) | 0.3 in | Driest |
| August | 51°F (11°C) | 0.8 in | |
| September | 57°F (14°C) | 0.9 in | |
| October | 61°F (16°C) | 2.6 in | |
| November | 63°F (17°C) | 4.4 in | |
| December | 66°F (19°C) | 4.5 in |
Harrismith has a seasonal temperature swing of 20°F / from 47°F in June to 67°F in January. Total annual precipitation is 28.2 inches, with January being the wettest month (4.5") and July the driest (0.3").