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Weather & Climate in Mariental, Namibia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mariental enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 79°F in January while summers reach 56°F in July / relatively mild seasonal variation. The area gets 321 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 8.3 inches (drier than the 38-inch national average). The city sits at an elevation of 3,629 feet.
Temperature
79°F Jan (26°C)
56°F Jul (13°C)
| Annual Average | 68.8°F |
| 27% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 321 days/yr |
Geography
| Elevation | 3,629 ft (1,106 m) |
| Area | 5.2 sq mi (13.5 km²) |
| Population Density | 2,833/sq mi |
| Coordinates | -24.6271°N, 17.9647°W |
| Timezone | Africa/Windhoek |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Dec 23, 1992 | 58 km SE of Rehoboth, Namibia | M5.0 | 112 km | 10 km |
| May 7, 1993 | 41 km SE of Rehoboth, Namibia | M3.7 | 129 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 1.9 in | Warmest |
| February | 78°F (26°C) | 2.4 in | Wettest |
| March | 75°F (24°C) | 1.9 in | |
| April | 69°F (21°C) | 0.7 in | |
| May | 62°F (17°C) | 0.1 in | |
| June | 56°F (13°C) | 0.0 in | |
| July | 56°F (13°C) | 0.0 in | Coldest, Driest |
| August | 59°F (15°C) | 0.0 in | |
| September | 66°F (19°C) | 0.0 in | |
| October | 71°F (22°C) | 0.3 in | |
| November | 76°F (24°C) | 0.4 in | |
| December | 79°F (26°C) | 0.6 in |
Mariental has a seasonal temperature swing of 23°F / from 56°F in July to 79°F in January. Total annual precipitation is 8.3 inches, with February being the wettest month (2.4") and July the driest (0.0").