Last updated: August 31, 2025
In August, Stellenbosch, South Africa experiences a blend of cool and mild weather, with maximum temperatures reaching 26°C (78°F) and dipping down to a cool 5°C (41°F) at night. During this month, the average temperature settles at a comfortable 12°C (54°F), making it ideal for outdoor activities. However, residents and visitors should be prepared for a bit of rain, as precipitation totals 91 mm (3.6 in) over approximately 13 days, contributing to a humidity level of 77%. This mix of conditions fosters a lush, vibrant landscape, perfect for exploring the area's renowned vineyards and scenic vistas.
August in Stellenbosch is characterized by cooler temperatures, as winter starts to loosen its grip. The month welcomes the transition with lows dipping to around 5°C (41°F) and barely creeping above 12°C (54°F) in averages, while daytime maxes reach a pleasant 26°C (78°F). This pattern highlights a steady decline from the mid-winter chill of July, yet still offers a taste of warmth as spring approaches. The crisp air and mild afternoons create an inviting backdrop for exploring the stunning vineyards and beautiful landscapes of this charming South African town. As the days lengthen, there's a growing sense of anticipation for the warmer months ahead.
In August, Stellenbosch experiences a significant shift in its precipitation patterns, receiving 91 mm (3.6 in) of rain over approximately 13 days. This marks a notable peak in rainfall following the preceding winter months, where June and July also recorded high amounts of precipitation. The gradual increase from May's 80 mm indicates a trend toward the wettest part of the year. As the winter chill persists, the steady rainfall helps nourish the region's lush vineyards and landscapes, setting the stage for the vibrant growth ahead. These August showers pave the way for a transition into the drier months, as the precipitation begins to taper off with the arrival of September.
In August, Stellenbosch experiences a slight dip in humidity, resting at 77%, which mirrors the levels seen earlier in the year, particularly in January and October. This month marks the end of winter, with humidity generally stabilizing around the late 70s percentage range as spring approaches. Throughout the year, humidity levels in Stellenbosch tend to oscillate around the 77% mark, peaking at 81% in March. The overall trend reveals a gradual decrease as spring unfolds, with September further dipping to 76%. This consistency and gradual shift in humidity not only shape the region's climate but also influence the rich vineyards and natural beauty that Stellenbosch is celebrated for.
In August, Stellenbosch experiences a high UV Index of 6, which signifies that sun protection is essential, with a basal burn time of 25 minutes for fair-skinned individuals. As winter transitions to spring, the UV Index begins to rise from the previous months of moderate exposure seen in June and July. This pattern is indicative of the increasing intensity of the sun's rays as we move closer to summer, following the extreme UV levels during the peak summer months of January and February. The gradual shift in UV conditions serves as a reminder for residents and visitors to remain vigilant about sun safety, especially as the days become sunnier. For more detailed insights on UV exposure in this beautiful region, check out Stellenbosch UV Index.
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August in Stellenbosch shines with a delightful 309 hours of sunshine, a charming respite before the spring months burst forth. As winter fades, the hours of sunlight gradually increase, with August delivering a notable uplift compared to the preceding months of June and July, which recorded 266 and 287 hours, respectively. This steady transition signals the approach of warmer days ahead. Following August, sunshine hours continue to climb, culminating in an impressive 421 hours by December, marking the peak of the region's radiant summer. This seasonal evolution not only enhances the beauty of Stellenbosch's stunning landscapes but also entices visitors to immerse themselves in its rich viticulture and vibrant outdoor activities.
In Stellenbosch, South Africa, the likelihood of sunny weather sees a significant decline as summer gives way to winter. January and February lead the pack with a robust 82% chance of sunshine, creating ideal conditions for outdoor activities and wine tastings. However, by August, this probability drops to 55%, aligning with the colder winter months. While August still offers a respectable chance of clear skies, it's one of the lower points in the annual sunshine pattern, following the peak of January and February and only slightly higher than the overcast months of May and June. As the season transitions, residents and visitors can expect a mix of sun and clouds while enjoying the stunning landscapes that Stellenbosch has to offer.
In Stellenbosch, South Africa, August marks the transition from the shorter, cooler winter days towards the longer, sunnier days of spring. This month, the daylight spans a modest 10 hours, mirroring July's duration. As we move from the peak of winter into late summer, daylight gradually begins to increase, setting the stage for the 11 hours of sunlight that September promises. The pattern is clear: daylight hours in Stellenbosch are at their lowest in the midwinter months of June and July, before a gradual rise returns in the spring months. The progression from 14 hours of daylight in January to only 9 in June highlights the region's seasonal shifts, beautifully characterizing the rhythms of the South African year and inviting residents and visitors to embrace the longer days ahead.
In August, Stellenbosch experiences a gentle breeze, with an average wind speed of 3.5 m/s (8 mph). This marks a slight decrease from the mid-winter wind speeds of 3.8 m/s in both July and June, reflecting the transition towards more stable conditions as spring approaches. Notably, the earlier months of the year, particularly January and February, boast higher wind speeds around 4.9 m/s and 4.8 m/s respectively, showcasing the summer season's brisk gusts. As the year progresses into September, winds pick up again, returning to 4.4 m/s, suggesting a seasonal pattern where summer months invite lively breezes, contrasted sharply by the more subdued winds of late winter. Overall, August serves as a calm interlude, hinting at the energetic winds to come as the Southern Hemisphere shifts into warmer weather.
Weather in Stellenbosch varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Stellenbosch, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather in Stellenbosch is much cooler, with minimum temperatures dipping to 5°C (41°F) and an average of around 12°C (54°F). The month experiences relatively high rainfall of 91 mm (3.6 in) spread over 13 days, accompanied by a consistent humidity level of 77%. In contrast, January brings warmer conditions, with minimum temperatures starting at 13°C (55°F) and an average reaching 21°C (70°F). The maximum temperature can soar up to 32°C (90°F) during this summer month, while precipitation is significantly lower at just 20 mm (0.8 in) and occurs over only 3 days. Humidity remains steady at 77%, allowing for warm and pleasant days. For more detailed information, you can refer to Stellenbosch weather in January.
August and February showcase distinct weather patterns. In August, temperatures range from a chilly 5°C (41°F) to a pleasant 26°C (78°F), with an average of 12°C (54°F). The month experiences significant rainfall, with 91 mm (3.6 in) spread over 13 days, contributing to a relatively high humidity level of 77%. Conversely, February is warmer, characterized by temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (89°F), averaging 21°C (70°F). Notably, February sees much less precipitation, totaling only 12 mm (0.5 in) over just 3 days, while humidity remains slightly higher at 80%. For more details, check out Stellenbosch weather in February.
When comparing the weather in August and March, one can notice significant differences. August experiences cooler temperatures, with an average of 12°C (54°F) and a maximum of 26°C (78°F), compared to March, which boasts a warmer average of 19°C (67°F) and reaches highs of 32°C (90°F). Additionally, August is marked by higher precipitation, receiving 91 mm (3.6 in) across about 13 days, whereas March has significantly less rainfall, with only 30 mm (1.2 in) over 4 days. Despite the slightly higher humidity in March at 81%, August has a close humidity level of 77%, making both months feel relatively humid but showcasing the notable warmth of March. For more detailed information, check out Stellenbosch weather in March.
When comparing the weather in August and April, it's clear that April is significantly warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 32°C (91°F), whereas August sees lower temperatures, from a minimum of 5°C (41°F) to a maximum of 26°C (78°F). Additionally, April experiences much less precipitation, with only 37 mm (1.5 in) over about 5 days, compared to August's 91 mm (3.6 in) over 13 days. Humidity levels are similar, with April at 80% and August at 77%. For more detailed information, check out Stellenbosch weather in April.
When comparing the weather in August to that of May, we see several notable differences. August tends to be slightly cooler with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 26°C (78°F), while May has a higher average, with minimums around 7°C (45°F) and maximums reaching up to 27°C (81°F). Precipitation is relatively more frequent in August, occurring on about 13 days and totaling 91 mm (3.6 in), compared to May's 80 mm (3.2 in) over just 8 days. Humidity levels remain consistent in both months, hovering around 77% in August and slightly lower at 78% in May. For a more detailed look at May's weather, you can check Stellenbosch weather in May.
In comparing the weather of August and June, we see that both months have similar temperature ranges, with August experiencing slightly lower minimum and average temperatures than June. August has a minimum of 5°C (41°F) and an average of 12°C (54°F), while June starts slightly warmer at a minimum of 6°C (43°F) and an average of 13°C (56°F). However, August records a higher maximum temperature of 26°C (78°F) compared to June's 25°C (77°F). Precipitation is notably higher in June, with 132 mm (5.2 in) across 11 days, compared to August's 91 mm (3.6 in) over 13 days. Humidity levels are similar, with August at 77% and June slightly higher at 79%. For more detailed insights into June weather, you can refer to Stellenbosch weather in June.
When comparing the weather in July and August, both months exhibit similar minimum and average temperatures, with August peaking slightly higher at a maximum of 26°C (78°F) compared to July's 25°C (77°F). However, August shows increased precipitation levels with 91 mm (3.6 in) falling over 13 days, while July recorded 117 mm (4.6 in) over just 10 days, indicating that August is slightly drier despite having more rainy days. Additionally, humidity levels are marginally lower in August at 77% compared to July's 80%. For more details on July weather, you can check Stellenbosch weather in July.
In August, temperatures range from a chilly 5°C (41°F) to a pleasant high of 26°C (78°F), with an average of 12°C (54°F). This month sees considerable precipitation, totaling 91 mm (3.6 in) over 13 days, coupled with a relatively high humidity of 77%. In contrast, September brings slightly warmer conditions, with minimum temperatures of 6°C (42°F) and maximums reaching 29°C (85°F), averaging 14°C (57°F). Precipitation decreases significantly to 58 mm (2.3 in) over just 9 days, and humidity remains close at 76%. For more detailed information, you can check Stellenbosch weather in September.
When comparing the weather in August and October, we see some notable differences. August features cooler temperatures, with a minimum of 5°C (41°F) and an average of 12°C (54°F), while October sees a rise in temperatures, with a minimum of 6°C (44°F) and an average of 16°C (61°F). The maximum temperature in October reaches 30°C (86°F), which is significantly higher than August's maximum of 26°C (78°F). Precipitation also varies, with August experiencing 91 mm (3.6 in) of rain over 13 days, compared to October's 52 mm (2.1 in) over just 7 days. Both months share a humidity level of 77%, but October brings milder and drier conditions overall, making it more pleasant for outdoor activities. For more details, check out Stellenbosch weather in October.
In comparing the weather of August and November, August tends to be cooler with an average temperature of 12°C (54°F), while November sees higher temperatures averaging 17°C (63°F). While both months experience a fair amount of humidity, August is slightly more humid at 77%, compared to November's 75%. Precipitation in August is also notably higher, with 91 mm (3.6 in) over 13 days, whereas November experiences significantly less rainfall at 46 mm (1.8 in) over just 5 days. For more detailed information, you can visit Stellenbosch weather in November.
In comparing the weather between August and December, we notice significant differences. August tends to be milder, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 26°C (78°F), and an average of 12°C (54°F). This month sees more rainfall, with 91 mm (3.6 in) of precipitation spread over 13 days, contributing to a humid atmosphere with 77% humidity. In contrast, December experiences warmer temperatures, with lows of 12°C (54°F) and highs reaching 31°C (89°F), averaging 19°C (67°F). The month is drier, with only 31 mm (1.2 in) of precipitation over 6 days, while maintaining the same humidity level of 77%. For more detailed insights, you can check the Stellenbosch weather in December.
As August unfolds in Stellenbosch, visitors encounter a unique blend of mild temperatures and noticeable humidity, setting this month apart from the warmth of summer. While the maximum temperature can reach a pleasant 26°C (78°F), the crisp mornings remind us that winter is still clinging to the region. With an average of 91 mm of rain spread over 13 days, August often sees more frequent precipitation compared to the drier months ahead, creating a lush landscape that highlights the area’s natural beauty. This transitional period, marked by the lingering chill of winter, invites exploration of the stunning vineyards and rich cultural heritage that Stellenbosch has to offer. For a deeper dive into the region's weather patterns, check out Stellenbosch Climate.