Last updated: August 31, 2025
In August, Arniston, South Africa, experiences a delightful blend of mild temperatures and refreshing coastal conditions. With maximums reaching 25°C (77°F) and averages around 14°C (57°F), the weather is comfortably pleasant during the day while cooling down at night to a minimum of 8°C (47°F). The month sees an average of 53 mm (2.1 in) of precipitation over 11 days, contributing to the region's lush landscapes. The humidity level, hovering around 76%, adds a touch of softness to the air, enhancing the overall charm of this picturesque seaside town. Ideal for outdoor exploration, August in Arniston is perfect for those looking to enjoy a blend of sun and slightly moody coastal weather.
In August, Arniston experiences a notable shift toward cooler temperatures as winter sets in. The minimum dips to a brisk 8°C (47°F), while average daytime temperatures hover around 14°C (57°F). This marks a clear decline from the warmer months of winter's predecessors, showcasing a somewhat chilly but manageable climate. Despite the cooler temperatures, the maximum can still reach a pleasant 25°C (77°F), offering reprieve during the day. As the month progresses, you'll feel the crispness in the air—a refreshing contrast to the milder summer months, making it an ideal time for cozy coastal outings in this serene South African town.
In August, Arniston experiences a notable uptick in precipitation, with 53 mm (2.1 in) of rain falling over 11 days—the highest amount recorded for the month across the year. This increase marks a transition into a wetter period following the drier months of winter, highlighting the region's tendency toward higher rainfall as spring approaches. Notably, August's precipitation not only surpasses that of its immediate predecessors, July and June, each with 45 mm (1.8 in), but also sets the stage for the gradual rise in rainfall that continues into the spring months. This trend underscores the fluctuation in Arniston's climate, where late winter gives way to more humid conditions, paving the way for the rejuvenation of the landscape.
In August, Arniston experiences a slight dip in humidity, recording 76%, which is the lowest level for the month in the year's cycle. This decline follows a gradual decrease from the peaks seen in the earlier months, with January and February averaging around 80% and above. The trend of humidity starts off high in the summer months, gradually tapering off as winter approaches, indicating a seasonal pattern that brings relief from the heavier moisture. As the year progresses toward spring, humidity begins to stabilize around 77% to 79%, creating a comfortable transition for residents and visitors alike. This seasonal variability highlights Arniston’s unique climate, where humid conditions pave the way for a distinct South African coastal experience.
In August, Arniston, South Africa, experiences a moderate UV Index of 5, with a burn time of around 30 minutes. This marks a slight increase from the lower UV readings observed in the previous months of winter, indicating that while the risk is still manageable, it's important to stay vigilant. As we transition into September, the UV Index will rise again to 9, moving back into the very high exposure category. Notably, the UV Index exhibits a seasonal trend, peaking during the summer months and dipping in winter, presenting a pattern that encourages sun safety awareness throughout the year. For a detailed breakdown of more UV Index data, visit Arniston UV Index.
UV Risk Categories
In Arniston, South Africa, the August sunshine brings a delightful promise of lingering warmth, with 307 hours of sunlight gracing the skies. This month marks a subtle transition as the days start to lengthen, hinting at the vibrant spring to come. As the winter months recede, August enjoys a notable uptick in sunshine hours compared to June and July, which see significantly lower totals of 269 and 286 hours, respectively. This upward trend continues into the early spring months, with September further increasing to 325 hours, foreshadowing the consistently bright months ahead. It's a time when the landscape begins to bloom and the community comes alive, reflecting the optimism that the sunniest days of the year are just around the corner.
In Arniston, South Africa, August offers a 54% chance of sunny weather, making it a delightful month for those seeking some sunshine. This figure fits within the pattern seen earlier in the year, where summer months like January and February enjoy higher probabilities of sun at 58% and 60% respectively. As the seasons change, the likelihood of sunny days begins to dip, with a noticeable decline from March's 49% to April's 43%. Remarkably, July's 60% shines brightly before August's moderate drop, suggesting a transitional phase as winter wanes. While August may not guarantee endless sunshine, it still holds greater potential than the late autumn months, which see reduced odds of clear skies. In summary, if you’re planning a visit, you can look forward to a decent chance of enjoying the sun while basking in the coastal charm of Arniston.
In Arniston, South Africa, the daylight duration showcases a clear yet gentle shift throughout the year. As summer peaks in January with a generous 14 hours of daylight, the days gradually shorten, dipping to 10 hours by May. This decrease continues, hitting its lowest point in June with only 9 hours of sunlight. However, as winter wanes, daylight begins to extend again, remaining consistent at 10 hours in August. This resurgence heralds the arrival of spring, where the lengthening days offer a refreshing promise of warmth and outdoor adventure, finally leading back to the bright 14-hour days of December. Overall, the rhythm of daylight in Arniston paints a picturesque seasonal portrait, inviting residents and visitors alike to embrace the beauty of each phase.
In August, Arniston experiences an average wind speed of 5.2 m/s (approximately 12 mph), which places it among the quieter months of the year. As summer transitions into autumn, the winds begin to show a subtle decrease from the breezier days of January and December, where speeds peak at 6.8 m/s and 6.9 m/s, respectively. While August is moderately calm, it still holds its own in the seasonal rhythm, creating an inviting atmosphere for both beachgoers and adventurers alike. Comparatively, the months immediately preceding it, June and July, exhibit slightly stronger winds averaging 5.1 m/s and 5.8 m/s, emphasizing the overall trend toward gentler breezes as the season progresses. As spring approaches, the winds will gradually pick up once more, heralding the return of those lively gusts.
Weather in Arniston varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Arniston, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, August tends to be cooler with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), averaging around 14°C (57°F). This month also experiences a higher amount of precipitation at 53 mm (2.1 in) over about 11 days, coupled with a relative humidity level of 76%. In contrast, January offers warmer conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 26°C (80°F), and an average of 21°C (70°F). Additionally, January sees less rainfall, totaling only 26 mm (1.0 in) across about 5 days, and slightly higher humidity at 79%. For more detailed information about January weather, you can visit Arniston weather in January.
In comparing the weather between August and February, it is evident that February generally offers warmer temperatures, with average highs reaching up to 26°C (80°F) compared to August's maximum of 25°C (77°F). February also experiences a milder minimum temperature of 16°C (62°F), significantly higher than August’s 8°C (47°F). Additionally, February sees less precipitation, totaling just 18 mm (0.7 in) over 5 days, in contrast to August's 53 mm (2.1 in) spanning 11 days. Humidity levels are slightly higher in February at 82%, compared to 76% in August. For a more detailed look, you can visit Arniston weather in February.
August and March present distinctly different weather patterns. August temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 14°C (57°F). In contrast, March tends to be warmer, with minimum temperatures starting at 15°C (60°F) and maximums reaching 27°C (80°F), averaging 20°C (69°F). While August experiences 53 mm (2.1 in) of precipitation over 11 days, March is slightly drier with 43 mm (1.7 in) of rain falling over just 6 days. Additionally, humidity levels are relatively high in both months, with August at 76% and March slightly higher at 83%. For more detailed information, check Arniston weather in March.
When comparing the weather in August and April, notable differences emerge in both temperature and precipitation. August tends to be cooler, with minimum temperatures around 8°C (47°F), an average of 14°C (57°F), and a maximum of 25°C (77°F). In contrast, April boasts milder temperatures, with a minimum of 14°C (57°F), an average of 18°C (65°F), and a peak of 28°C (83°F). Precipitation also varies, with August receiving 53 mm (2.1 in) of rain over approximately 11 days, while April sees only 23 mm (0.9 in) over about 6 days. Humidity levels are relatively high in both months, with April slightly edging out at 82% compared to August's 76%. For more detailed information on the weather in April, you can check Arniston weather in April.
When comparing the weather in August and May, we see notable differences in temperature and precipitation patterns. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 14°C (57°F). The month experiences around 53 mm (2.1 in) of precipitation over 11 days, contributing to a relatively humid environment with a humidity level of 76%. In contrast, May features warmer temperatures, with a minimum of 11°C (53°F) and a maximum of 28°C (82°F), averaging 17°C (62°F). Additionally, May enjoys slightly less rainfall at 50 mm (2.0 in) but over fewer days, amounting to just 5. This results in a higher overall humidity of 78%. For more detailed information on May weather, you can visit Arniston weather in May.
In comparing June and August weather, we find that both months have similar maximum temperatures, peaking at 25°C (77°F). However, June experiences slightly higher minimum and average temperatures, with a minimum of 9°C (49°F) and an average of 15°C (60°F), compared to August’s minimum of 8°C (47°F) and average of 14°C (57°F). August sees more precipitation, with 53 mm (2.1 in) over 11 days, while June has 45 mm (1.8 in) across 8 days. Humidity levels remain fairly consistent between the two months, with August at 76% and June at 77%. For more details on June weather, you can visit Arniston weather in June.
In comparing the weather of August and July, we see that both months feature similar temperature ranges, with maximums reaching 25°C (77°F) and averages hovering around 14°C (57°F). However, August experiences slightly cooler minimum temperatures, averaging 8°C (47°F) compared to July's 9°C (49°F). Precipitation levels also differ, with August receiving 53 mm (2.1 in) over 11 days, while July had 45 mm (1.8 in) over only 7 days, indicating that August is generally wetter. Humidity levels are also fairly comparable, with August at 76% and July slightly higher at 78%. For more detailed insights into July's weather, you can check Arniston weather in July.
In August, the weather features a range with minimum temperatures dropping to 8°C (47°F) and maximums reaching 25°C (77°F), alongside an average of 14°C (57°F). The month experiences around 53 mm (2.1 in) of precipitation over 11 days, with humidity levels at 76%. In contrast, September sees slightly warmer conditions, with minimum temperatures of 10°C (51°F) and maximums climbing to 30°C (85°F), leading to an average of 15°C (60°F). Rainfall decreases to 34 mm (1.4 in) over 7 days, paired with a consistent humidity level of 77%. Overall, September offers an improvement in temperature and a reduction in precipitation compared to August. For more detailed information, you can visit Arniston weather in September.
August and October display notable differences in weather patterns. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 14°C (57°F). This month experiences about 53 mm (2.1 in) of precipitation over 11 days and has a humidity level of 76%. In contrast, October offers a slightly warmer climate with minimum temperatures of 11°C (53°F) and maximums reaching 28°C (82°F), averaging at 17°C (62°F). Precipitation in October decreases to 33 mm (1.3 in) over just 7 days, while humidity rises slightly to 79%. For a more detailed look at the weather patterns during this month, visit Arniston weather in October.
In August, the weather in Arniston features a minimum temperature of 8°C (47°F) and averages around 14°C (57°F), with highs reaching up to 25°C (77°F). This month experiences approximately 53 mm (2.1 in) of precipitation over 11 days, accompanied by a humidity level of 76%. In contrast, November sees slightly warmer temperatures, with minimums of 12°C (54°F), average temperatures of 18°C (64°F), and similar maximums of 25°C (77°F). The rainfall is also reduced to about 35 mm (1.4 in) over just 6 days, while humidity remains relatively constant at 77%. For a closer look at the weather specifics for this month, check out Arniston weather in November.
In comparing the weather of August and December, we can see noticeable differences. August features cooler temperatures, with a minimum of 8°C (47°F) and an average of 14°C (57°F), while December offers a milder climate, with minimum temperatures around 15°C (59°F) and an average of 19°C (67°F). Both months experience similar maximum temperatures, hovering around 25°C (78°F); however, August is marked by significantly higher precipitation levels of 53 mm (2.1 in) over 11 days, compared to December's 30 mm (1.2 in) spread over just 6 days. Humidity levels are also slightly higher in December at 79%, compared to 76% in August. For more detailed insights, you can refer to Arniston weather in December.
August in Arniston presents a unique blend of mild temperatures and increased precipitation, making it distinct from the warmer, drier months of summer. With an average temperature hovering around a comfortable 14°C, this month offers a refreshing break from the heat while still allowing for outdoor exploration. The air is noticeably more humid, contributing to a lush landscape that contrasts sharply with the drier conditions found in prior months. While the 11 days of rain may seem daunting, they bring a sense of renewal to the region, enhancing the vibrant greenery. For those seeking more information on the seasonal shifts and weather patterns, visit Arniston Climate.