Constantia Weather in May
Constantia in May averages 19°C (66°F) during the day and 14°C (57°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Constantia in May
Climate statistics over the past 30 years suggest around 12 days of rain, with 70 mm (2.8 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Constantia in May
Daytime highs in Constantia in May reach 19°C (66°F), with nights around 14°C (57°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 14°C (57°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 May
The days are predominantly sunny, with an estimated total of around 205 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Constantia in May
Wind speeds average 3 m/s (6 knots) during May. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in May
At 16°C (61°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.If you prefer dry days with pleasant temperatures, January, February, March, April, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 May
Min Temperature
14°C (57°F)
Max Temperature
19°C (66°F)
Water Temperature
16°C (61°F) *
Chance of Rain
40%
Precipitation
70 mm (2.8 in)
Rainy days
12 days
Humidity
81% *
Windspeed
3 m/s (6 knots) *
Sunshine
205 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Constantia typically stay consistent throughout May, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in May
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 May
Historical weather for Constantia in May
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 May
Based on weather observations in Constantia between 2004 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 16, 2022, with a maximum of 33°C (91°F).
- The coldest May day was on May 25, 2023, with a maximum of 14°C (57°F).
- Nighttime temperatures dropped to 3°C (37°F) on May 24, 2006, marking the coldest May night on record.
Best Places in South Africa in May
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 May →
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What to Wear in Constantia in May
For Constantia in May, 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. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 16°C (61°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 May
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.
