Last updated: August 31, 2025
In May, Arniston, South Africa, experiences mild and inviting weather characterized by a maximum temperature reaching 28°C (82°F) and an average of 17°C (62°F). The minimum temperature dips to a comfortable 11°C (53°F), making it ideal for outdoor activities. With an average humidity of 78%, the air feels pleasantly fresh, although some days may bring a touch of dampness. During this month, the region receives around 50 mm (2.0 in) of rain over just 5 days, ensuring lush landscapes without frequent interruptions to enjoy the stunning coastal scenery. Whether you’re exploring the quaint surroundings or relaxing by the beach, May in Arniston offers a delightful blend of warm days and refreshing evenings.
As May unfolds in Arniston, South Africa, temperatures begin to transition into the cooler tones of winter. The minimum temperature dips to 11°C (53°F), offering a refreshing chill compared to the warmer months. The average temperature hovers around 17°C (62°F), making it a pleasant time for outdoor activities, while the maximum temperature can still reach 28°C (82°F), showcasing the lingering warmth of late autumn. This pattern highlights a significant cooling trend from the balmy summer highs, as the region gradually shifts into the cooler winter months, with subsequent June and July temperatures dropping further. Overall, May serves as a beautiful bridge between the warmth of summer and the crispness of winter, inviting visitors to enjoy the captivating landscape of Arniston in a more temperate backdrop.
May marks a notable peak in precipitation for Arniston, South Africa, with 50 mm (2.0 in) of rain, making it one of the wetter months of the year. This uptick is particularly striking following the relatively lighter showers of April, which received only 23 mm (0.9 in). While May shares the same number of rainy days as January through April, the increased rainfall indicates a shift towards the more abundant moisture that characterizes the winter months. Following May, rainfall remains consistently high, with June and July each receiving 45 mm (1.8 in). As the cooler season approaches, Arniston's landscape thrives, nourished by this vital precipitation that helps sustain its vibrant ecosystem.
As May arrives in Arniston, South Africa, the coastal town experiences a slight drop in humidity to 78%, offering a brief reprieve from the higher levels seen in the previous months. After starting the year with notably humid conditions in January (79%) and peaking in March (83%), the humidity gradually eases into the winter months. This trend of decreasing humidity continues into June at 77%, hinting at the cooling atmosphere as the dry season sets in. Overall, May serves as a transitional month, bridging the lush, humid summer with the drier climates just around the corner, making it a pleasant time for both residents and visitors.
In May, Arniston, South Africa, experiences a moderate UV Index of 5, indicating a safe window for sun exposure compared to the extreme levels seen earlier in the year. As summer fades, the burn time increases to 30 minutes, allowing for more leisurely outdoor activities without immediate risk of sunburn. This trend continues into June and July, where the UV Index remains moderate, providing a welcome respite from the heightened UV levels of January through April. With the temperatures starting to cool down, May marks a transition period where residents and visitors can enjoy the outdoors while still being mindful of sun protection. For more details on the UV levels throughout the year, visit Arniston UV Index.
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In Arniston, South Africa, May marks the transition into the cooler months, showcasing 292 hours of sunshine. While this is a dip from the sun-drenched heights of summer, it remains a comfortable average compared to the preceding months. Notably, the sunshine hours begin to decline from April's 308 hours, yet they present a delightful blend of warmth and the fresh air of early winter. As the year unfolds, it becomes evident that the summer months, from October to December, promise an impressive resurgence, culminating in 413 hours of sunshine in December. This trend illustrates the region's vibrant climate, where the sunshine ebbs and flows, adding charm to each changing season.
As May rolls into Arniston, South Africa, the likelihood of enjoying sunny weather stands at 55%, a notable reprieve from the downward trend seen in the preceding months. After peaking in February with a 60% chance of sunshine, the chance dipped to a low of 43% in April. However, May shows a promising rebound, aligning closely with the sunny disposition typically seen in the winter months of June and July, both at 58%. This slight uplift hints at a delightful transition as the season warms, making it an appealing time for outdoor activities in this picturesque coastal town.
In Arniston, South Africa, daylight duration demonstrates a distinct seasonal rhythm that reflects the transition from the long summer months to the shorter winter days. January kicks off with an impressive 14 hours of sunlight, gradually tapering off as the year progresses. By February, daylight decreases to 13 hours, and continues its descent to 12 hours in March and 11 hours in April. The decline reaches its nadir in May, where residents experience just 10 hours of daylight—a stark contrast to the summer’s brightness. As winter approaches, daylight remains consistent at 9 hours in June, before incrementally increasing again in July and August, stabilizing at 10 hours. The cycle of light resumes with a gradual return to longer days starting in September, culminating in 12 hours by October, and back to 14 hours in December, illustrating the enchanting ebb and flow of the seasons in this coastal haven.
In May, Arniston experiences a pleasant average wind speed of 5.6 m/s (12 mph), maintaining a comfortable breeze that is typical for this time of year. Following the slightly lower winds of April, which dropped to 5.0 m/s (11 mph), May marks a subtle uptick, suggesting a gradual transition into the cooler months. As spring gives way to early winter, wind speeds in Arniston average around 5.1 to 6.4 m/s throughout June and July, showcasing a relatively consistent pattern. This moderate wind continues to enhance the charm of Arniston’s coastal beauty, perfect for outdoor activities while still inviting a refreshing touch as temperatures begin to cool.
Weather in Arniston varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Arniston, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, May experiences milder temperatures, with a minimum of 11°C and an average of 17°C, while January is notably warmer, featuring a minimum of 16°C and an average of 21°C. May boasts higher maximum temperatures, reaching up to 28°C, compared to January's maximum of 26°C. However, May also sees more precipitation, with 50 mm over five days, in contrast to January's 26 mm over the same number of days. Humidity levels are quite similar, with May at 78% and January slightly higher at 79%. For more details on January weather, you can check this link: Arniston weather in January.
May and February present distinct weather patterns that reflect the transition between seasons. In May, the temperatures range from a minimum of 11°C (53°F) to a maximum of 28°C (82°F), with an average of 17°C (62°F). While the month experiences more precipitation at 50 mm over about five days, the humidity is somewhat lower at 78%. In contrast, February features milder temperatures, with a minimum of 16°C (62°F) and a maximum of 26°C (80°F), averaging at 21°C (70°F). Precipitation is significantly reduced, totaling only 18 mm over the same five days, and the humidity slightly increases to 82%. For a closer look at February's weather specifics, you can visit Arniston weather in February.
In comparing the weather between March and May, March typically presents slightly warmer conditions, with average temperatures reaching 20°C (69°F) and a maximum of 27°C (80°F). In contrast, May experiences a cooler range, with averages around 17°C (62°F) and maximum temperatures peaking at 28°C (82°F). Interestingly, precipitation levels in May are just a bit higher at 50 mm (2.0 in) across 5 days compared to March's 43 mm (1.7 in) over 6 days, which reflects a similar frequency of rain but with slightly more volume in May. Humidity is also marginally lower in May at 78%, compared to 83% in March, indicating a somewhat drier feel as the season turns. For further details, you can check Arniston weather in March.
In comparing the weather of April and May, we see some notable differences. April boasts slightly higher minimum temperatures at 14°C (57°F) and a similar average of 18°C (65°F), whereas May's temperatures dip to a minimum of 11°C (53°F) though maintaining a maximum of 28°C (82°F) in both months. Precipitation in April is relatively low at 23 mm (0.9 in) across 6 days, while May sees an increase to 50 mm (2.0 in) over 5 days, indicating a wetter month. Humidity remains fairly high in both months, measured at 82% for April and slightly lower at 78% for May. For more detailed insights into April weather, you can refer to Arniston weather in April.
In comparing the weather of May and June, we see that May typically enjoys slightly warmer temperatures, with an average of 17°C (62°F) compared to June's 15°C (60°F). May experiences maximum temperatures reaching up to 28°C (82°F), while June's peak is a cooler 25°C (77°F). Interestingly, June has slightly lower overall precipitation at 45 mm (1.8 in) over more rainy days, experiencing rain on 8 days compared to May's 5 days of rain at 50 mm (2.0 in). Humidity levels remain fairly consistent between the two months, with May at 78% and June slightly lower at 77%. For more detailed information on the weather in June, you can visit Arniston weather in June.
In May, the weather is generally warmer, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (82°F) and an average of 17°C (62°F), while July is cooler, featuring a minimum of 9°C (49°F) and a maximum of 25°C (77°F), with an average temperature of 14°C (58°F). Precipitation is relatively similar in both months, with May receiving 50 mm (2.0 in) over 5 days compared to July's 45 mm (1.8 in) over 7 days. Interestingly, both months experience the same humidity level of 78%. For a closer look at July weather, you can visit Arniston weather in July.
May and August both offer distinct weather characteristics, reflecting the transition between spring and late winter. In May, temperatures range from a minimum of 11°C (53°F) to a maximum of 28°C (82°F), with an average of 17°C (62°F). The month experiences around 50 mm (2.0 in) of precipitation over just 5 days, along with a relatively high humidity of 78%. In contrast, August has cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 25°C (77°F), averaging only 14°C (57°F). Precipitation slightly increases to 53 mm (2.1 in), but is spread over more days, totaling 11. Humidity remains similar at 76%. For more specific weather details, check out Arniston weather in August.
In comparing the weather of May and September, we find a slight shift in temperatures and precipitation. May boasts a comfortable average temperature of 17°C (62°F), with daytime highs reaching up to 28°C (82°F) and a comparatively higher humidity of 78%. The month also sees about 50 mm (2.0 in) of rainfall spread over 5 days. In contrast, September features an average temperature of 15°C (60°F), with maximum temperatures climbing to 30°C (85°F), albeit with lower precipitation totaling 34 mm (1.4 in) over 7 days and slightly reduced humidity at 77%. For more details on September's weather specifics, you can visit Arniston weather in September.
May and October exhibit similar temperature patterns, with both months featuring a minimum of 11°C (53°F), an average of 17°C (62°F), and a maximum of 28°C (82°F). However, May experiences slightly more precipitation at 50 mm (2.0 in) over 5 days compared to October's 33 mm (1.3 in) spread across 7 days. Additionally, humidity levels are very close, with May at 78% and October at 79%, highlighting a generally consistent climate in these months. For more detailed insights on October weather, you can refer to Arniston weather in October.
May and November exhibit mild temperatures, with May experiencing a slightly broader range. In May, temperatures can dip to a minimum of 11°C (53°F) and reach up to 28°C (82°F), while November has a minimum of 12°C (54°F) and a maximum of 25°C (77°F). The average temperature in both months is fairly similar, with May averaging 17°C (62°F) and November at 18°C (64°F). When it comes to precipitation, May records about 50 mm (2.0 in) over 5 days, whereas November sees less rain, totaling 35 mm (1.4 in) over 6 days. Humidity levels are comparable, with May at 78% and November slightly lower at 77%. For more specific details about November weather, you can check Arniston weather in November.
May and December present distinct weather characteristics. In May, temperatures range from a minimum of 11°C (53°F) to a maximum of 28°C (82°F), with an average of 17°C (62°F). The month experiences around 50 mm (2.0 in) of precipitation over about 5 days, accompanied by a humidity level of 78%. In contrast, December enjoys slightly milder temperatures with a minimum of 15°C (59°F), an average of 19°C (67°F), and a maximum of 25°C (78°F). Precipitation decreases to 30 mm (1.2 in) across roughly 6 days, while humidity remains similar at 79%. For those looking for more information on December weather specifics, check out Arniston weather in December.
As May arrives in Arniston, the weather begins to showcase a gentle transition, bringing a unique blend of mild temperatures and increased humidity. The warm days, typically peaking around 28°C (82°F), give way to cooler evenings, emphasizing the town’s shift from the warmer months. While rainfall is more frequent with about five days of precipitation, it contributes to the refreshing atmosphere that envelops the area. This combination of comfortable average temperatures and occasional rains adds a refreshing charm to Arniston in May, making it distinct from the dryer, hotter months. For a more detailed understanding of what to expect, explore our page on Arniston Climate.