All Countries
Weather & Climate in Mossel Bay, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mossel Bay enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 70°F in January while summers reach 58°F in July / relatively mild seasonal variation. The area gets 304 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 17.8 inches (drier than the 38-inch national average). The city sits at an elevation of 141 feet.
Temperature
70°F Jan (21°C)
58°F Jul (14°C)
| Annual Average | 63.5°F |
| 18% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 141 ft (43 m) |
| Area | 16.3 sq mi (42.2 km²) |
| Population Density | 4,846/sq mi |
| Coordinates | -34.1831°N, 22.1461°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Oct 18, 2016 | 29 km E of Prince Albert, South Africa | M4.5 | 103 km | 10 km |
| Nov 5, 2009 | 43 km NNE of Prince Albert, South Africa | M4.3 | 149 km | 5 km |
| May 14, 2011 | 39 km NNE of Prince Albert, South Africa | M4.1 | 145 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 70°F (21°C) | 1.3 in | Warmest, Driest |
| February | 70°F (21°C) | 1.3 in | |
| March | 68°F (20°C) | 1.4 in | |
| April | 65°F (18°C) | 1.9 in | Wettest |
| May | 62°F (16°C) | 1.4 in | |
| June | 59°F (15°C) | 1.3 in | |
| July | 58°F (14°C) | 1.4 in | |
| August | 58°F (14°C) | 1.7 in | Coldest |
| September | 59°F (15°C) | 1.3 in | |
| October | 62°F (17°C) | 1.8 in | |
| November | 65°F (18°C) | 1.5 in | |
| December | 68°F (20°C) | 1.4 in |
Mossel Bay has a seasonal temperature swing of 12°F / from 58°F in August to 70°F in January. Total annual precipitation is 17.8 inches, with April being the wettest month (1.9") and January the driest (1.3").