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Constantia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Constantia.
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10-day forecastForecast
Climate overview of Constantia
Constantia, Western Cape, South Africa, enjoys a steady climate throughout the year, with daytime temperatures typically around 20°C (68°F). February is the warmest month at 23°C (73°F), while August is the coolest at 17°C (63°F).
Annual rainfall is moderate at around 611 mm (24 in), with June being the wettest month. The city also has a distinct dry season from October to March. The sunniest month is January, with 11.3 hours of sunshine per day on average.
Constantia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Constantia - and find the best time to visit.
Monthly Temperature in Constantia
The temperature in Constantia remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures reach a comfortable 23°C (73°F) in February. In August, the coolest month of the year, temperatures drop to a moderate 17°C (63°F).
At night, temperatures range from around 18°C (64°F) in February to 12°C (54°F) in August.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Constantia
Generally, Constantia has a moderate amount of precipitation, averaging 611 mm (24 in) of rainfall annually. Constantia can be quite wet during June, receiving approximately 112 mm (4.4 in) of precipitation over 13 rainy days.
In contrast, during the driest month (February), you will experience much drier conditions, with 17 mm (0.7 in) of precipitation spread across 4 rainy days. For more details, please visit our Constantia Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Constantia
Constantia can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 11.3 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 5.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Cape Town, South Africa (14 KM, 9 Miles).
Daily hours of sunshine
Data from: Cape Town, South Africa (14 KM, 9 Miles).
Water Temperature in Constantia
The mean water temperature over the year ranges from 14°C (57°F) in August to 20°C (68°F) in February.
Water temperature over the year
Data from: Cape Town, South Africa (14 KM, 9 Miles).
Humidity in Constantia by Month
The relative humidity is high throughout the year in Constantia.
The city experiences its highest humidity in May, reaching 81%. In January, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Cape Town, South Africa (14 KM, 9 Miles).
Wind Speed in Constantia
The mean wind speed over the year ranges from 3 m/s (6 knots) in May and June to 6 m/s (12 knots) in January. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Cape Town, South Africa (14 KM, 9 Miles).
Best Time to Visit Constantia
The most comfortable overall weather for exploring Constantia is usually found in January, February, March, April, November and December. Conditions are generally least comfortable in June, July and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
very good
Jun
good
Jul
good
Aug
good
Sep
very good
Oct
very good
Nov
excellent
Dec
excellent
- Best overall: January, February, March, April, November and December
- Warmest weather: January, February, March and December
- Most sunshine: January and December
- Fewer rainy days: January, February, March, November and December
- Best for swimming: February, with water temperatures around 20°C (68°F).
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from October to March
Frequently asked questions about the climate in Constantia
What is the best time to visit Constantia?
January, February, March, April, November and December typically offer the most optimal weather in Constantia. In contrast, June, July and August tend to have less optimal conditions. Constantia has a distinct dry season from October to March.
What temperatures can I expect in Constantia?
Daytime highs range from 17°C (63°F) in August to 23°C (73°F) in February. Nighttime lows range from 12°C (54°F) to 18°C (64°F). Temperatures stay relatively stable year-round.
How much rain does Constantia get?
Annual rainfall is around 611 mm (24 in). June is the wettest month with 112 mm (4.4 in), while February is the driest with 17 mm (0.7 in).
How sunny is Constantia?
Constantia receives around 3,094 hours of sunshine per year. January is the sunniest month with 338 hours, while June is the cloudiest with just 175 hours. Overall, Constantia enjoys abundant sunshine.
Constantia 3-Day Forecast
Constantia on the map
Constantia is highlighted - select any city to see its climate.
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