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Weather & Climate in Carnarvon, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Carnarvon enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 74°F in January while summers reach 47°F in July / relatively mild seasonal variation. The area gets 320 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 8.8 inches (drier than the 38-inch national average). The city sits at an elevation of 4,098 feet.
Temperature
74°F Jan (23°C)
47°F Jul (8°C)
| Annual Average | 61.0°F |
| 13% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 47°F (8°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 4,098 ft (1,249 m) |
| Area | 42.0 sq mi (108.8 km²) |
| Population Density | 138/sq mi |
| Coordinates | -30.9683°N, 22.1330°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Dec 31, 1994 | 50 km ENE of Brandvlei, South Africa | M4.5 | 130 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 0.9 in | Warmest |
| February | 73°F (23°C) | 1.4 in | |
| March | 69°F (21°C) | 1.7 in | Wettest |
| April | 61°F (16°C) | 0.9 in | |
| May | 53°F (12°C) | 0.4 in | |
| June | 47°F (9°C) | 0.3 in | |
| July | 47°F (8°C) | 0.2 in | Coldest, Driest |
| August | 50°F (10°C) | 0.3 in | |
| September | 56°F (13°C) | 0.3 in | |
| October | 63°F (17°C) | 0.6 in | |
| November | 67°F (20°C) | 0.8 in | |
| December | 72°F (22°C) | 0.9 in |
Carnarvon has a seasonal temperature swing of 28°F / from 47°F in July to 74°F in January. Total annual precipitation is 8.8 inches, with March being the wettest month (1.7") and July the driest (0.2").