Constantia Weather in June
Constantia in June sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 12°C (54°F). Rainfall is at its peak this month, around 112 mm (4.4 in) on average, so waterproofs are essential.
Rainfall in Constantia in June
This is the wettest month of the year, so having an umbrella ready is a smart choice. Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 112 mm (4.4 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Constantia in June
Temperatures in Constantia in June top out at 18°C (64°F) and drop to 12°C (54°F) overnight. 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 June
The area experiences a moderate amount of sunshine, with approximately 175 hours of sunlight expected. This means a decent mix of sun and overcast.
Wind Speed in Constantia in June
June has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.
Average water temperature in June
The water temperature is 16°C (61°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.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for Constantia.
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 June
Min Temperature
12°C (54°F)
Max Temperature
18°C (64°F)
Water Temperature
16°C (61°F) *
Chance of Rain
45%
Precipitation
112 mm (4.4 in)
Rainy days
13 days
Humidity
81% *
Windspeed
3 m/s (6 knots) *
Sunshine
175 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Constantia typically stay consistent throughout June, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 10°C (50°F).
Average temperatures in June
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 June
Historical weather for Constantia in June
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 June
Based on weather observations in Constantia between 1976 and 2026, these are the recorded extremes during June.
- On June 2, 1999, temperatures climbed to 30°C (86°F), marking the warmest June day on record.
- Constantia experienced its chilliest June day on June 28, 1994, reaching only 9°C (48°F).
- Constantia registered its coldest June night on June 17, 1988, with temperatures dropping to 0°C (32°F).
Best Places in South Africa in June
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 June →
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What to Wear in Constantia in June
For Constantia in June, 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 16°C (61°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Constantia in June
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.
