Stellenbosch Weather in May
In Stellenbosch, May brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Stellenbosch in May
On average, there are about 11 days with rain during this month, averaging 92 mm (3.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Stellenbosch in May
May in Stellenbosch is generally excellent, with days reaching 20°C (68°F) and nights settling around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Stellenbosch in May
Expect a lot of sunshine this month, with about 205 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Stellenbosch in May
Average wind speeds reach 3 m/s (6 knots) in May, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in May
With water at 16°C (61°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.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, October, November and December typically offer the best weather for Stellenbosch.
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 Stellenbosch's climate page.
Stellenbosch Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Water Temperature
16°C (61°F) *
Chance of Rain
37%
Precipitation
92 mm (3.6 in)
Rainy days
11 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 Stellenbosch typically stay consistent throughout May, with daily highs averaging around 20°C (68°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 Stellenbosch in May
Browse day-by-day weather records for Stellenbosch spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Stellenbosch historical weather extremes in May
According to our 22 years of weather records for Stellenbosch, the following extremes were recorded between 2004 and 2026.
- Stellenbosch recorded its highest May temperature of 33°C (91°F) on May 16, 2022.
- The lowest daytime temperature in May was 14°C (57°F), recorded on May 21, 2025.
- Stellenbosch registered its coldest May night on May 24, 2006, with temperatures dropping to 3°C (37°F).
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 Stellenbosch in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 16°C (61°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Stellenbosch 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 Stellenbosch's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Stellenbosch climate overview or explore weather in South Africa.
