All Countries
Weather & Climate in Newcastle, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Newcastle enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 72°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 281 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 30.4 inches. The city sits at an elevation of 3,921 feet.
Temperature
72°F Jan (22°C)
53°F Jul (11°C)
| Annual Average | 63.5°F |
| 18% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 53°F (11°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 3,921 ft (1,195 m) |
| Area | 29.3 sq mi (75.8 km²) |
| Population Density | 13,836/sq mi |
| Coordinates | -27.7580°N, 29.9318°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| May 27, 2012 | 14 km S of Piet Retief, South Africa | M4.4 | 112 km | 5 km |
| Oct 11, 1993 | 45 km ESE of Ekuvukeni, South Africa | M3.3 | 111 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 5.2 in | Warmest, Wettest |
| February | 70°F (21°C) | 4.9 in | |
| March | 69°F (20°C) | 3.2 in | |
| April | 63°F (17°C) | 1.3 in | |
| May | 57°F (14°C) | 0.6 in | |
| June | 53°F (11°C) | 0.4 in | Coldest |
| July | 53°F (11°C) | 0.3 in | Driest |
| August | 57°F (14°C) | 0.9 in | |
| September | 63°F (17°C) | 1.4 in | |
| October | 66°F (19°C) | 3.5 in | |
| November | 68°F (20°C) | 4.0 in | |
| December | 71°F (22°C) | 4.8 in |
Newcastle has a seasonal temperature swing of 19°F / from 53°F in June to 72°F in January. Total annual precipitation is 30.4 inches, with January being the wettest month (5.2") and July the driest (0.3").