Constantia Weather in July

July in Constantia sees daytime temperatures around 17°C (63°F) and lows of 12°C (54°F) at night. With around 99 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Constantia in July

Analyzing past climate data, one can expect approximately 13 days of rain, averaging 99 mm (3.9 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Constantia in July

Constantia in July gets highs of 17°C (63°F) during the day and drops to 12°C (54°F) at night. Conditions are often most pleasant around the middle of the day. 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.

Sunshine in Constantia in July

Enjoy a sunny month with about 193 hours of sunshine, the clear skies make Constantia even more beautiful.

Wind Speed in Constantia in July

July sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in July

With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

July in Constantia has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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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 July

Min Temperature 12°C (54°F)  

Max Temperature 17°C (63°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 43%  

Precipitation 99 mm (3.9 in)  

Rainy days 13 days  

Humidity 81% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 193 hours *  

Percentage Sunshine *  

* Data from: Cape Town, South Africa (14 KM, 9 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Constantia typically stay consistent throughout July, with daily highs averaging around 17°C (63°F). Nights are cool, with lows around 8°C (46°F).

Average temperatures in July

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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 July

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Historical weather for Constantia in July

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.

Historical weather Temperatures Precipitation

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Constantia historical weather extremes in July

Based on 49 years of weather observations in Constantia between 1976 and 2025, these are the recorded extremes.

• The warmest day in July was on July 31, 2017, with a maximum of 30°C (86°F).
• The lowest daytime temperature in July was 10°C (50°F), recorded on July 15, 2000.
• The coldest night in July in Constantia was on July 31, 2002, with a minimum of 0°C (32°F).
• Peak precipitation in July occurred on July 19, 1987, when 59 mm (2.3 in) of precipitation was measured.

What to Wear in Constantia in July

For Constantia in July, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Constantia in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit South Africa, check out our Constantia's climate page.

More climate data for Constantia

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Constantia climate overview or explore weather in South Africa.