Last updated: August 31, 2025
In January, Arniston, South Africa, basks in pleasantly warm temperatures, with maximums reaching 26°C (80°F) and a comfortable average of 21°C (70°F). The air carries a hint of humidity at 79%, creating a distinctly vibrant atmosphere. Visitors can expect light rainfall, as the area typically experiences about 26 mm (1.0 in) of precipitation over five days. With minimum temperatures around 16°C (61°F), January offers a delightful blend of warmth and refreshing coastal breezes, making it an inviting time to explore this scenic destination.
In January, Arniston, South Africa, welcomes summer with mild temperatures that set the stage for beach outings and outdoor adventures. The days are pleasantly warm, with averages hovering around 21°C (70°F) and highs reaching 26°C (80°F), making it ideal for sun-seekers. Evenings remain comfortable, as the minimum temperature stays at a cozy 16°C (61°F). As the month transitions into February, the weather remains remarkably consistent, with the same temperature range. However, the slight dip in March, where the average temperature drops to 20°C (69°F), signals the approach of autumn. Overall, January's inviting warmth is a highlight in Arniston’s temperate climate, beckoning visitors to savor the long, sun-kissed days by the coast.
January in Arniston, South Africa experiences a modest precipitation total of 26 mm (1.0 in), falling over approximately 5 days. This signifies a relatively dry start to the year, with rainfall amounts gradually increasing in the following months. As summer transitions to autumn, March shows a notable jump to 43 mm (1.7 in), highlighting a trend towards wetter conditions. The rainfall peaks in the mid-year months of May and August, suggesting a seasonal shift, while precipitation then tapers off towards December. This pattern indicates that January marks the beginning of a drier season, setting the stage for the forthcoming wet months.
In January, Arniston, South Africa, experiences a humidity level of 79%, setting the tone for a month characterized by increased moisture. This early summer humidity climbs steadily, peaking at 83% in March, just before a slight decrease in April. The pattern reflects the region's coastal climate, where humidity remains consistently high through the first half of the year. As the seasons change, May sees a modest dip to 78%, continuing a trend of gradual decrease that persists into the winter months, culminating in August’s 76%. Interestingly, humidity levels begin to rebound by September, hovering back around the 79% mark in January again, suggesting a cyclical rhythm in Arniston's weather, bringing a blend of refreshing coastal air and tropical warmth throughout the year.
In January, Arniston experiences a remarkably high UV Index of 14, placing it in the extreme exposure category with a quick burn time of just 10 minutes. This trend of intense sun exposure continues into February, where the UV Index slightly decreases to 13, yet the risk remains significant. A noticeable drop occurs in March, with a UV Index of 10, marking a shift to the very high category and extending burn time to 15 minutes. As the season progresses into April, the index further declines to 7, transitioning to a high category, allowing for 25 minutes of safe sun exposure before the risk elevates. From May to August, the UV Index stabilizes within the moderate range of 3 to 5, offering an easier sun exposure experience, with burn times extended to 30 minutes. However, as September rolls in, the index climbs to 9 (very high), reminding residents of the sun's strength as the summer months approach. This upward trajectory resumes in October through December, with UV Index values returning to the extreme category at 10, 12, and 13, and once again necessitating caution with a mere 10 minutes before burning. For a detailed look at the UV Index throughout the year, check out Arniston UV Index.
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In January, Arniston basks in approximately 327 hours of sunshine, marking the beginning of a vibrant summer filled with golden rays. As the months progress into February and March, this sun-kissed trend continues, peaking with 350 hours in February before slightly dipping to 345 hours in March. The sunny days gradually wane as autumn approaches, with April bringing 308 hours, soon followed by May's 292 hours. The winter months of June and July experience the least sunshine, with just 269 and 286 hours respectively, showcasing a notable contrast to the summer's brilliance. However, the return of spring in August rekindles the sun, contributing 307 hours of light, and the year concludes with a spectacular flourish, recording its maximum at 413 hours in December. This annual cycle highlights Arniston's dynamic weather patterns and its charm as a sun-soaked destination.
In Arniston, South Africa, January boasts a 58% chance of sunny weather, making it one of the more promising months for sun seekers. This sunny disposition is only slightly eclipsed by February, which presents an even brighter 60% likelihood of clear skies. As the seasons transition into autumn, however, there's a noticeable decline in sunshine, with March dipping to 49% and April further decreasing to 43%. Interestingly, the trend rebounds in May and June, both returning to a sunny 58%, before peaking again in mid-winter with 60% likelihood in July. Yet, as the calendar year nears its close, the chances of sun dwindle, wrapping up with December's 41%. This cyclical pattern highlights January as an ideal time for beachgoers, setting the stage for a sun-filled escapade.
In January, Arniston enjoys the longest days of the year, basking in a generous 14 hours of daylight, which perfectly complements the summer vibes. As the month rolls into February, daylight slightly diminishes to 13 hours, hinting at the gradual shift towards cooler months. By March, the sun sets earlier, granting the coastal town 12 hours of light, while April further reduces this to 11 hours, marking the transition into autumn. The days continue to shrink, reaching their shortest at just 9 hours in June, reflecting the peak of winter. As the seasons change, daylight begins to increase again in July and August, stabilizing at 10 hours. By September and October, the lengths start to extend, inching back to 11 and 12 hours respectively. The cycle culminates as November brings back 13 hours of sunshine, ultimately leading back to 14 hours in December, welcoming summer once more. This rhythmic dance of daylight throughout the year highlights the enchanting seasonal shifts of Arniston's climate.
In January, the coastal winds of Arniston, South Africa, are at their most invigorating, boasting an average speed of 6.8 m/s (15 mph). As summer wanes into February, there's a subtle decline, with winds dropping to 5.9 m/s (13 mph). This trend continues into March, where the winds pick up slightly again to 6.4 m/s (14 mph). The pattern shifts notably in April, as the breeze lightens further, averaging 5.0 m/s (11 mph), indicating the onset of cooler autumn days. This mildness persists, with winds hovering around 5.1 to 5.8 m/s for the ensuing months. However, by October, the autumnal chill gives way to a revitalized vigor, bringing winds back up to 6.4 m/s (14 mph), which remain consistent into November before peaking again at 6.9 m/s (15 mph) in December. Overall, January's brisk winds set the tone for a dynamic seasonal ebb and flow, reflecting the unique climatic rhythm of Arniston.
Weather in Arniston varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Arniston, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, we see that both months have similar temperature ranges, with January featuring a minimum of 16°C (61°F), an average of 21°C (70°F), and a maximum of 26°C (80°F). February mirrors these temperatures closely, maintaining the same minimum and maximum values and an average temperature that remains consistent. However, February experiences slightly less precipitation at 18 mm (0.7 in) compared to January's 26 mm (1.0 in), even though both months encounter rainfall on about 5 days. Additionally, February exhibits a modest increase in humidity, rising to 82% from January's 79%. For a more detailed look at February's climate, you can check Arniston weather in February.
January and March in Arniston showcase relatively mild temperatures, with January averaging a bit warmer at 21°C (70°F) compared to March's 20°C (69°F). Both months experience high maximum temperatures, reaching up to 26°C (80°F) in January and slightly warmer at 27°C (80°F) in March. However, March tends to be wetter, with precipitation totaling 43 mm (1.7 in) over six days, compared to January's 26 mm (1.0 in) across five days. Additionally, humidity levels are slightly higher in March at 83% versus 79% in January. For further details, you can visit Arniston weather in March.
In January, the weather is generally warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 26°C (80°F). The month sees an average precipitation of 26 mm (1.0 in) over about five days, accompanied by a humidity level of 79%. In contrast, April experiences slightly cooler temperatures, with averages between 14°C (57°F) and 28°C (83°F). Although precipitation is lower at 23 mm (0.9 in), it is spread over six days, and humidity increases to 82%. For more details on April weather specifics, check out Arniston weather in April.
When comparing the weather between January and May, it's evident that January is generally warmer, with average temperatures ranging from 21°C (70°F) and peaking at 26°C (80°F), while May sees an average temperature of 17°C (62°F) and a maximum of 28°C (82°F). Despite January having a slightly higher average humidity of 79%, both months experience similar precipitation patterns, with January receiving 26 mm (1.0 in) over 5 days and May receiving a higher total of 50 mm (2.0 in) over the same number of days. For a detailed look at what to expect, check out Arniston weather in May.
In January, the weather tends to be warmer 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). The month experiences relatively low precipitation at 26 mm (1.0 in) over about 5 days, accompanied by a humidity level of 79%. In contrast, June brings cooler temperatures, with a range from a minimum of 9°C (49°F) to a maximum of 25°C (77°F), and an average of 15°C (60°F). This month sees increased precipitation, totaling 45 mm (1.8 in) over 8 days, while humidity drops slightly to 77%. For a more detailed look at the June weather, you can check Arniston weather in June.
January and July present contrasting weather patterns, with January generally being warmer and more humid. In January, temperatures range from a mild minimum of 16°C (61°F) to a pleasant maximum of 26°C (80°F), with an average of 21°C (70°F). The month sees about 26 mm (1.0 in) of precipitation over roughly 5 days, contributing to a humidity level of 79%. In stark contrast, July experiences cooler temperatures, with daily minimums around 9°C (49°F), an average of 14°C (58°F), and a maximum of 25°C (77°F). July also has a higher total precipitation of 45 mm (1.8 in) over about 7 days, while the humidity remains comparable at 78%. For more details about the weather in July, you can visit Arniston weather in July.
January and August present contrasting weather conditions. In January, temperatures range from a mild minimum of 16°C (61°F) to a warm maximum of 26°C (80°F), with an average of 21°C (70°F) and relatively low precipitation of 26 mm (1.0 in) over just 5 days. The humidity is notably high at 79%, creating a warm and humid atmosphere.
Conversely, August experiences cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 25°C (77°F), averaging just 14°C (57°F). Precipitation is higher at 53 mm (2.1 in) over 11 days, while humidity remains slightly lower at 76%. For a closer look at the weather in August, you can visit Arniston weather in August.
In January, the weather is typically warmer, 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). The month sees relatively low precipitation at 26 mm (1.0 in) over about five days, accompanied by higher humidity levels of 79%. In contrast, September experiences cooler temperatures, with a minimum of 10°C (51°F) and an average of 15°C (60°F), peaking at 30°C (85°F). Rainfall is slightly higher at 34 mm (1.4 in), occurring on approximately seven days, and the humidity is marginally lower at 77%. For a more detailed look at the conditions, check out Arniston weather in September.
In comparing January and October weather, January experiences milder temperatures, with average highs reaching up to 26°C (80°F), while October's temperatures range slightly lower, peaking at 28°C (82°F) but with a cooler average of 17°C (62°F). Precipitation is slightly higher in October, totaling 33 mm (1.3 in) over 7 days compared to January's 26 mm (1.0 in) spread across 5 days. Interestingly, both months maintain the same humidity level of 79%, contributing to a consistently humid climate. For more details, you can visit Arniston weather in October.
January typically experiences warmer temperatures than November, with an average of 21°C (70°F) compared to November's 18°C (64°F). The maximum temperature in January reaches 26°C (80°F), while November's peaks at 25°C (77°F). Both months see relatively high humidity, with January at 79% and November slightly lower at 77%. In terms of precipitation, January receives 26 mm (1.0 in) over 5 days, while November has slightly more rainfall at 35 mm (1.4 in) across 6 days. For more details, you can check Arniston weather in November.
In January, temperatures in Arniston generally range from a minimum of 16°C (61°F) to a maximum of 26°C (80°F), with an average temperature of 21°C (70°F). The month sees a total precipitation of 26 mm (1.0 in) over approximately 5 days, maintaining a consistent humidity level of 79%. Conversely, December experiences slightly cooler 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 is slightly higher in December at 30 mm (1.2 in), occurring over 6 days, while humidity remains constant at 79%. For more detailed insights, check Arniston weather in December.
In January, Arniston experiences a delightful blend of warm temperatures and moderate humidity, making it stand out from the cooler months. With maximum temperatures reaching a comfortable 26°C (80°F) and an average of 21°C (70°F), this month welcomes sun-seekers eager to enjoy the outdoors. While the region receives minimal rainfall, with only about 26 mm (1.0 in) over five days, January still offers those occasional refreshing showers. This combination of warmth and sparing precipitation creates the perfect environment for beach days, outdoor activities, and soaking up the natural beauty. For detailed insights on how January compares to other months, visit Arniston Climate.