Constantia Weather in August
August in Constantia brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 90 mm (3.5 in), so pack an umbrella.
Rainfall in Constantia in August
You can typically expect 14 days of rain this month, averaging around 90 mm (3.5 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Constantia in August
August in Constantia brings typical temperatures with highs around 17°C (63°F) and lows of 12°C (54°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. Typically, this month presents some of the milder temperatures of the year, yet it remains pleasantly warm.
Sunshine in Constantia in August
Expect a lot of sunshine this month, with about 212 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Constantia in August
Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
Average water temperature in August
The water temperature is 14°C (57°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.August in Constantia has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Africa, check out our Constantia's climate page.
Constantia Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
17°C (63°F)
Water Temperature
14°C (57°F) *
Chance of Rain
46%
Precipitation
90 mm (3.5 in)
Rainy days
14 days
Humidity
80% *
Windspeed
4 m/s (8 knots) *
Sunshine
212 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Constantia typically stay consistent throughout August, with daily highs averaging around 17°C (63°F). Nights are cool, with lows around 9°C (48°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Constantia in August
Browse day-by-day weather records for Constantia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Constantia historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Constantia.
- On August 29, 2023, temperatures climbed to 31°C (88°F), marking the warmest August day on record.
- Constantia experienced its chilliest August day on August 26, 1976, reaching only 8°C (46°F).
- Constantia registered its coldest August night on August 5, 2003, with temperatures dropping to 0°C (32°F).
- The wettest August day on record brought 55 mm (2.2 in) of precipitation to Constantia (August 14, 1981).
Best Places in South Africa in August
Find out more about the weather in South Africa and which places have the best travel conditions in this month. See all of South Africa in August →
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What to Wear in Constantia in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Constantia in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Africa, check out our Constantia's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Constantia climate overview or explore weather in South Africa.
