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Weather & Climate in Herolds Bay, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Herolds Bay enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 69°F in January while summers reach 58°F in July / relatively mild seasonal variation. The area gets 296 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 22.0 inches (drier than the 38-inch national average). The city sits at an elevation of 499 feet.
Temperature
69°F Jan (21°C)
58°F Jul (14°C)
| Annual Average | 63.0°F |
| 17% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 499 ft (152 m) |
| Area | 29.9 sq mi (77.4 km²) |
| Population Density | 42/sq mi |
| Coordinates | -34.0483°N, 22.3971°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 | 86 km | 10 km |
| Nov 5, 2009 | 43 km NNE of Prince Albert, South Africa | M4.3 | 136 km | 5 km |
| May 14, 2011 | 39 km NNE of Prince Albert, South Africa | M4.1 | 132 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 1.6 in | |
| February | 69°F (21°C) | 1.6 in | Warmest |
| March | 67°F (20°C) | 1.7 in | |
| April | 64°F (18°C) | 2.0 in | |
| May | 61°F (16°C) | 1.6 in | |
| June | 59°F (15°C) | 1.4 in | Driest |
| July | 58°F (14°C) | 1.6 in | |
| August | 57°F (14°C) | 2.0 in | Coldest |
| September | 59°F (15°C) | 1.7 in | |
| October | 61°F (16°C) | 2.8 in | Wettest |
| November | 64°F (18°C) | 2.2 in | |
| December | 67°F (20°C) | 1.8 in |
Herolds Bay has a seasonal temperature swing of 12°F / from 57°F in August to 69°F in February. Total annual precipitation is 21.9 inches, with October being the wettest month (2.8") and June the driest (1.4").