Last updated: August 31, 2025
In August, Port Saint John’s, South Africa, experiences a delightful range of temperatures, with maximums reaching up to 30°C (86°F) and minimums dipping to 7°C (45°F). The average temperature hovers around a comfortable 16°C (61°F), making it a pleasant time to explore the coastal beauty. However, visitors should be prepared for occasional rainfall, with 51 mm (2.0 in) of precipitation over approximately 8 days throughout the month. The humidity level sits at a moderately high 72%, adding a bit of tropical warmth to the air. Overall, August offers a perfect blend of sunny days and refreshing breezes for those seeking adventure in this scenic destination.
In August, Port Saint John’s experiences cooler temperatures, with a minimum around 7°C (45°F) and an average of 16°C (61°F), making it one of the colder months of the year. The highs reach up to 30°C (86°F), offering a pleasant blend of mild days and cool evenings. This shift towards lower temperatures signals the tail end of winter, as the region transitions to the warmer spring months ahead. Comparatively, temperatures begin to rise again in September, indicating an upward trend as the seasons change. Despite the chill, the moderate conditions in August are ideal for outdoor activities, allowing visitors to enjoy the stunning coastal scenery without the summer heat.
In August, Port Saint John's experiences a moderate shift in precipitation, with 51 mm (2.0 in) of rainfall occurring over 8 days. This marks a noticeable increase from the remarkably dry July, where only 10 mm fell over just 2 days. As winter gives way to early spring, the rainfall begins to pick up, setting the stage for the wetter months ahead. The patterns of the preceding months show a trend of higher precipitation earlier in the year, with January and February consistently delivering the heaviest rainfall. However, August's rainfall also serves as a reminder that while winter can be dry, the transition towards September often brings renewed rainfall, promising a lush and vibrant spring season for this coastal region.
As August arrives in Port Saint John’s, South Africa, a noticeable shift in humidity levels occurs, dropping to 72%—the lowest point of the year. This decline marks the end of the peak humidity months that typically feature readings between 88% and 89% from January through April. Following the milder August, humidity begins to ease back up again, reaching 82% in September, hinting at the gradual transition towards the hotter months ahead. Overall, August signifies a refreshing relief from the summer high humidity, offering a brief but welcomed breather before the rise resumes in the latter part of the year.
In August, Port Saint John's experiences a UV Index of 6, categorizing it as high exposure, with a burn time of approximately 25 minutes. This marks a slight increase from the moderate levels observed in the preceding months of June and July, where the UV Index was at 4. As summer approaches, the trend indicates a return to higher UV levels typical of late winter and early spring. It’s essential for residents and visitors alike to remain vigilant, as UV indices begin to rise again leading into the warmer months. For more insights on UV radiation fluctuations throughout the year, visit Port Saint John's UV Index.
UV Risk Categories
In August, Port Saint John's basks in approximately 309 hours of sunshine, a delightful extension of the sunny days experienced throughout the winter months. This peak in sunshine hours marks a notable trend, as the region consistently enjoys a rich tapestry of sunlight from January’s 287 hours to a radiant October with 346 hours. Each month paints its own portrait of daylight, with February and March setting vibrant precedents through 312 and 325 hours respectively. As the year progresses, the steady increase culminates in the warm embrace of late spring and summer, inviting visitors to indulge in outdoor adventures under the bright African sun. With November and December showcasing the year’s finest hours at 339 and a dazzling 358, it’s clear that Port Saint John’s keeps the sunshine flowing, ensuring that every season feels exhilaratingly bright.
In Port Saint John's, August marks a notable shift toward sunnier days, with a 64% chance of sunshine that adds a delightful warmth to the mid-year chill. Following the peak of July, which boasts an impressive 86% likelihood of clear skies, August maintains a commendable level of brightness but sees a slight drop. This fluctuation is part of a broader trend that showcases increasing sunshine from the darker months of winter, with May and June also offering significantly improved chances at 72% and 69%, respectively. As summer approaches, the weather pattern suggests a consistent increase in sunny days, making August a promising choice for those seeking outdoor adventures in this beautiful coastal town.
In Port Saint John's, South Africa, the daylight duration during August reflects a notable trend seen throughout the year. With 10 hours of daylight, August continues the pattern established in the preceding months of June and July, where daylight levels remain consistent. This stability in daylight contrasts with the gradual increase that follows as September arrives, welcoming an extra hour of sunshine. The year begins with generous daylight in January and February, both featuring 13 hours of light, before transitioning into shorter days as the seasons shift. This cyclical dance of daylight not only highlights the changing seasons but also sets the stage for longer, sunnier days ahead as spring approaches in the Southern Hemisphere.
August in Port Saint John's, South Africa, welcomes a gentle breeze with an average wind speed of 3.5 m/s (8 mph), matching February's steady flow. As winter gives way to the promise of spring, the wind picks up just slightly from the cooler months, maintaining a similar pace to neighboring July and hinting at an upward trend as the seasons shift. This pattern continues into September, where the winds strengthen to 3.6 m/s (8 mph), setting the stage for October’s breezier 3.8 m/s (9 mph). Overall, the wind in August is emblematic of the region’s moderate climatic changes, allowing for a pleasing balance of breezy days that grace the coastline throughout the year.
Weather in Port Saint John's varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Port Saint John's, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing the weather in August and January reveals significant differences. In August, temperatures range from a cool minimum of 7°C (45°F) to a warm average of 16°C (61°F), peaking at 30°C (86°F) occasionally. The month sees about 51 mm (2.0 in) of precipitation over 8 days, with a humidity level of 72%. In contrast, January features much warmer weather, with minimum temperatures of 15°C (59°F) and averages reaching 22°C (73°F), while maximum temperatures can soar to 35°C (95°F). This month experiences heavier rainfall, totaling 101 mm (4.0 in) spread across 15 days, and higher humidity at 88%. For more specific information on January weather, you can visit Port Saint John's weather in January.
When comparing the weather in August and February, it's clear that February is generally warmer and wetter. August experiences milder temperatures with a minimum of 7°C, an average of 16°C, and a maximum of 30°C, accompanied by 51 mm of precipitation over just 8 days. In contrast, February has a much higher minimum temperature of 15°C, an average of 23°C, and a maximum reaching 34°C. Additionally, February sees significantly more rainfall, totaling 137 mm over 17 days, and higher humidity levels at 88%. For a closer look at February's conditions, you can check out Port Saint John's weather in February.
When comparing the weather in August and March, there are notable differences in temperature, precipitation, and humidity levels. August temperatures range from a minimum of 7°C to a maximum of 30°C, with an average of 16°C and relatively low precipitation of 51 mm over 8 days. In contrast, March experiences significantly warmer temperatures, with a minimum of 14°C, an average of 22°C, and a maximum of 33°C. However, March also sees higher precipitation at 126 mm over 16 days and increased humidity levels at 89%. For more detailed information, check out Port Saint John's weather in March.
When comparing the weather in August and April, a few notable differences emerge. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), with an average of 16°C (61°F). It experiences relatively low precipitation of 51 mm (2.0 in) over 8 days, coupled with a humidity level of 72%. Conversely, April showcases warmer temperatures, with a minimum of 11°C (53°F) and a maximum of 33°C (92°F), resulting in an average of 20°C (68°F). This month also receives more precipitation, totaling 130 mm (5.1 in) across 12 days, accompanied by a higher humidity of 89%. For a deeper dive into the April weather in this region, you can visit Port Saint John's weather in April.
When comparing the weather in August and May, we find that both months feature mild temperatures, but with some notable differences. August sees temperature ranges from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), averaging 16°C (61°F) with a humidity of 72%. In contrast, May experiences slightly warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (87°F) and an average of 18°C (65°F). Precipitation is also similar, with August receiving 51 mm (2.0 in) over 8 days, while May records 53 mm (2.1 in) over just 4 days, resulting in higher humidity levels at 88% during May. For more detailed insights on May weather, you can visit Port Saint John's weather in May.
When comparing the weather in August and June, both months experience similar temperature ranges, with minimums around 7°C and maximums reaching up to 30°C. Interestingly, the average temperatures for both months hover around 16°C. However, August tends to see more precipitation, with 51 mm spread over 8 days, compared to June's 33 mm over just 3 days. Additionally, humidity levels are slightly lower in August at 72%, while June registers a higher humidity at 82%. For a more detailed look at June's conditions, check out Port Saint John's weather in June.
When comparing the weather in August and July, both months exhibit mild average temperatures, hovering around 16°C (61°F). However, August experiences slightly warmer maximum temperatures, reaching up to 30°C (86°F), compared to July's peak of 31°C (87°F). Precipitation levels are notably higher in August, with 51 mm (2.0 in) spread over 8 days, while July sees only 10 mm (0.4 in) over 2 days. Additionally, humidity decreases a bit in August, dropping to 72% from July's higher 77%, indicating a slightly more comfortable atmosphere. For a detailed look at July's weather patterns, refer to Port Saint John's weather in July.
In comparing the weather of August and September, both months exhibit a notable shift in temperature and humidity. August typically experiences minimum temperatures around 7°C (45°F) and maximums reaching 30°C (86°F), with an average of 16°C (61°F). In contrast, September starts slightly warmer with a minimum of 9°C (48°F) and a maximum of 34°C (94°F), leading to a higher average temperature of 17°C (64°F). Precipitation also increases in September, with 62 mm (2.4 in) recorded over 10 days, compared to August's 51 mm (2.0 in) over 8 days. Additionally, September has a higher humidity level at 82%, up from 72% in August. For more insights, you can view Port Saint John's weather in September.
In August, temperatures in Port Saint John typically range from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), with an average temperature of 16°C (61°F). This month experiences about 51 mm (2.0 in) of precipitation over 8 days, and humidity averages around 72%. In contrast, October sees a higher minimum temperature of 10°C (50°F) and can reach up to 34°C (93°F), with an average of 18°C (65°F). The rainfall is also more significant, totaling 111 mm (4.4 in) over 13 days, and humidity increases to 83%. For more detailed weather information, you can check Port Saint John's weather in October.
In August, the weather in Port Saint John typically features mild temperatures, with a minimum of 7°C (45°F), an average of 16°C (61°F), and a maximum reaching 30°C (86°F). While the month sees some rainfall, totaling around 51 mm (2.0 in) over about 8 days, the humidity remains relatively moderate at 72%. Conversely, November experiences warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 34°C (93°F), and an average of 19°C (67°F). November is also wetter, accumulating 123 mm (4.9 in) of precipitation over 18 days, and it has higher humidity levels at 87%. For more detailed insights on the weather during this month, you can check Port Saint John's weather in November.
In August, the weather tends to be cooler, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), and an average of 16°C (61°F). The month sees about 51 mm (2.0 in) of precipitation over 8 days, with a humidity level of 72%. In contrast, December experiences warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 31°C (88°F), averaging 21°C (70°F). However, December is also wetter, receiving 129 mm (5.1 in) of rainfall over 18 days, along with a higher humidity level of 88%. For a more detailed look at December weather in Port Saint John, you can visit Port Saint John's weather in December.
As August unfolds in Port Saint John, the weather transitions to a cooler and more temperate climate compared to the hotter summer months. With average temperatures hovering around 16°C and the maximum reaching 30°C, it's a refreshing time for visitors who may find the balmy humidity of 72% pleasantly bearable. While precipitation sees a slight increase with about 51 mm over roughly 8 days, this adds a hint of rejuvenation to the landscape. This unique blend of warmth and occasional rain marks August as a delightful period to experience the natural beauty of the area. For more details on the annual weather patterns, visit Port Saint John's Climate.