Last updated: August 31, 2025
In January, Stellenbosch, South Africa experiences a vibrant summer climate characterized by maximum temperatures reaching 32°C (90°F) and an average of 21°C (70°F). The nights offer a pleasant reprieve with temperatures dipping to a minimum of 13°C (55°F). While the month brings some relief through occasional rainfall, with a total precipitation of 20 mm (0.8 in) over just three days, the overall humidity sits at 77%, adding a tropical feel to the warm summer days. This combination of warmth and moisture makes January an enticing time to explore the lush landscapes and vineyards of this picturesque town.
January in Stellenbosch, South Africa, offers a delightful summer experience with temperatures ranging from a mild 13°C (55°F) in the early mornings to a balmy high of 32°C (90°F) by midday. The average temperature settles at a comfortable 21°C (70°F), making it ideal for outdoor activities and vineyard tours. As the month unfolds into February, temperatures barely shift, maintaining a similar range, though slightly cooler at the top with 31°C (89°F). The warmth begins to ease into autumn by March, where the average dips to 19°C (67°F), yet high temperatures can still soar to 32°C (90°F). Overall, the trend throughout these early months showcases a consistent warmth, perfect for exploring the lush landscapes and vibrant culture of this picturesque town.
In January, Stellenbosch experiences relatively low precipitation, with just 20 mm (0.8 in) recorded over three days. This modest rainfall sets the stage for a warm summer, contrasting sharply with the wetter months ahead. As the year progresses, precipitation gradually increases, peaking in June with 132 mm (5.2 in) spread across 11 days. Notably, January serves as a dry entry point, signaling the impending shift to more frequent and substantial rain during the mid-year months. In this dynamic climate, each month offers a unique interplay of dry and wet, shaping the vibrant landscape of Stellenbosch.
In Stellenbosch, South Africa, January experiences an average humidity of 77%, setting the tone for a typically humid summer. This level remains consistent as the month transitions into February, where humidity slightly increases to 80%. Interestingly, the trend continues to rise over the next few months, peaking at 81% in March, before stabilizing at around 80% in April and July. The humidity begins to ease as autumn approaches, dropping to 78% in May, followed by a gentle decline to 77% in August and back to 76% by September. As the year progresses, the humidity fluctuates within a relatively narrow range, closing December at 77%. Overall, January serves as a crucial reminder of the warm, humid climate that defines the summer months in this picturesque region.
In January, Stellenbosch experiences one of its peak UV Index levels at 14, categorizing sun exposure as extreme with a burn time of only 10 minutes. This trend of high UV levels continues throughout the summer months, as February and March also showcase a dangerous UV Index of 13 and 11, respectively, maintaining the extreme category. As autumn approaches, a gradual decrease is observed; by April, the UV Index drops to 8, transitioning to very high levels with a slightly longer burn time of 15 minutes. The trend continues into the winter months, where the UV Index settles around 4, indicating a more moderate exposure with a burn time of 30 minutes from May to July. However, as spring nears, the UV Index rises again in August to 6, and subsequently climbs back to very high levels by September, illustrating the fluctuating nature of UV exposure in this region. The cycle then repeats with the onset of summer, returning to extreme levels by October and November before peaking again at 14 in December. For more details on UV exposure throughout the year, check out Stellenbosch UV Index.
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In Stellenbosch, South Africa, the sun casts a warm glow throughout the year, but January marks the beginning of an illuminating journey with 340 hours of sunshine. As the season warms, February shines even brighter, showcasing 359 sunny hours. March holds its ground with 354 hours, gently tapering as the days get shorter in April with 313 hours. The trend of diminishing sunlight continues into the cooler months, with May bringing 290 hours, and June dipping to 266 hours. However, July sees a slight revival, pulling in 287 hours of sun, which sets the stage for a gradual upswing. As winter gives way to spring, August offers 309 hours, and September increases slightly to 327 hours. The sun reclaims its throne in the final months, peaking in December with a stunning 421 hours, making it the sunniest month of the year. This annual cycle paints a vivid picture of sunshine's ebb and flow, culminating in the vibrant warmth of summer's end.
In Stellenbosch, South Africa, January shines brightly with a remarkable 82% chance of sunny weather, making it one of the sunniest months of the year. This trend of abundant sunshine continues into February, matching January's favorable odds. However, as the seasons shift towards autumn and winter, the likelihood of clear skies noticeably decreases, plummeting to 55% in March and further falling to around 52% in May. The following months maintain a relatively similar trajectory, hovering around the low 50s, suggesting a gradual reduction in sunshine. Thus, if you’re yearning for bright, warm days, planning your visit to Stellenbosch in January or February will maximize your chances of enjoying the sun-drenched beauty of this charming South African town.
In Stellenbosch, South Africa, January marks the peak of daylight with an impressive 14 hours of sunshine, inviting residents and visitors alike to bask in the summer glow. As the month transitions into February, daylight slightly decreases to 13 hours, hinting at the approaching autumn. This gradual decline continues through March and April, where daylight dips to 12 and 11 hours, respectively, reflecting nature's shift towards shorter days. May brings further reductions with 10 hours of daylight, followed by June, which experiences the least sunlight at just 9 hours. However, as winter recedes, daylight begins its slow ascent once again; July and August maintain the 10-hour mark before September welcomes a renewed brightness with 11 hours. October and November see a steady increase back to 12 and 13 hours, respectively, culminating in December with another cycle of 14 hours of daylight. This rhythmic pattern underscores the region's distinctive seasons and their impact on daily life, creating a seamless transition between the vibrant summer months and the quieter winter days.
In January, Stellenbosch experiences a gentle breeze with an average wind speed of 4.9 m/s (11 mph), making it one of the windiest months of the year alongside February. This refreshing airflow tends to calm down slightly as the summer progresses into March, where winds drop to 4.1 m/s (9 mph). As autumn approaches, the winds continue to decline, reaching a low of 3.1 m/s (7 mph) in May. However, a slight resurgence occurs in the following months, as June through August sees wind speeds around 3.5 to 3.8 m/s (8 mph). Interestingly, the wind picks up again in September and November, returning to a brisk 4.4 m/s (10 mph). Overall, while January starts strong, the trend moves towards calmer days as the seasons change, before a gradual increase in wind speed returns toward the end of the year.
Weather in Stellenbosch varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Stellenbosch, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in January and February shows some similarities and slight variations. Both months have a minimum temperature of around 13°C (55°F) and an average of 21°C (70°F), making them quite consistent in terms of warmth. However, February's maximum temperature is slightly cooler at 31°C (89°F) compared to January's 32°C (90°F). In terms of precipitation, January experiences more rainfall with 20 mm (0.8 in) over 3 days, while February sees only 12 mm (0.5 in) of rain on the same number of days. Humidity is also marginally higher in February at 80% compared to January's 77%. For more detailed information, you can check Stellenbosch weather in February.
In January, temperatures in Stellenbosch typically range from a minimum of 13°C (55°F) to a maximum of 32°C (90°F), with an average temperature of 21°C (70°F). The month experiences relatively low precipitation of 20 mm (0.8 in) over about 3 days and has a humidity level of 77%. In contrast, March sees slightly cooler temperatures, with a minimum of 12°C (54°F) and an average of 19°C (67°F), while still reaching up to 32°C (90°F). Precipitation increases to 30 mm (1.2 in) over 4 days, accompanied by a slight rise in humidity to 81%. For a more detailed look at March weather, you can visit Stellenbosch weather in March.
In January, Stellenbosch experiences warm temperatures, with a minimum of 13°C (55°F) and an average of 21°C (70°F), peaking at a maximum of 32°C (90°F). The month sees limited rainfall, averaging only 20 mm (0.8 in) over three days, and tends to be slightly less humid at 77%. In contrast, April brings cooler weather, with a minimum of 10°C (50°F) and a lower average of 17°C (63°F), while still reaching a maximum of 32°C (91°F). Precipitation is more prevalent in April, with 37 mm (1.5 in) spread over five days and increased humidity at 80%. For more insights on the weather in April, check Stellenbosch weather in April.
In January, the weather in Stellenbosch is characterized by warm temperatures, with a minimum of 13°C (55°F), an average of 21°C (70°F), and a maximum of 32°C (90°F). This month experiences relatively low rainfall at 20 mm (0.8 in) over just 3 days, paired with high humidity levels of 77%. In contrast, May is cooler, with minimum temperatures dropping to 7°C (45°F) and an average of 15°C (59°F), peaking at 27°C (81°F). This month sees significantly more precipitation at 80 mm (3.2 in) over 8 days, along with a slightly higher humidity of 78%. For more details, check out Stellenbosch weather in May.
January and June present distinctly different weather patterns. In January, temperatures range from a mild 13°C (55°F) at night to a hot average of 21°C (70°F), peaking at 32°C (90°F) during the day, accompanied by minimal precipitation of only 20 mm (0.8 in) over three days and a humidity level of 77%. In contrast, June experiences much cooler conditions, with temperatures spanning from a low of 6°C (43°F) to an average of 13°C (56°F) and a maximum of 25°C (77°F). This month sees significantly higher rainfall, at 132 mm (5.2 in) spread over 11 days, and an uptick in humidity levels to 79%. For more detailed information, check Stellenbosch weather in June.
In comparing the weather between January and July, January boasts warmer temperatures with a minimum of 13°C (55°F) and a maximum of 32°C (90°F), resulting in an average of 21°C (70°F). In contrast, July is significantly cooler, featuring a minimum temperature of 5°C (41°F) and an average of just 12°C (54°F), with a maximum of 25°C (77°F). While January experiences relatively low precipitation of 20 mm (0.8 in) over about 3 days, July sees a substantial increase in rainfall, totaling 117 mm (4.6 in) spread over 10 days. The humidity levels remain quite high in both months, with July slightly edging out at 80% compared to January's 77%. For those interested in more detailed insights, here’s the link to Stellenbosch weather in July.
In January, the weather in Stellenbosch is warm with an average temperature of 21°C (70°F), reaching a maximum of 32°C (90°F) on hotter days. The month experiences minimal precipitation, with only 20 mm (0.8 in) over three days, and humidity remains high at 77%. In contrast, August sees a significant drop in temperatures, with an average of 12°C (54°F) and a maximum of only 26°C (78°F). This month is also much wetter, receiving 91 mm (3.6 in) of rain over 13 days, while humidity remains steady at 77%. For a detailed overview of August weather, you can check Stellenbosch weather in August.
Comparing the weather in January and September reveals significant differences in temperature and precipitation patterns. In January, temperatures range from a mild 13°C (55°F) at night to a hot 32°C (90°F) during the day, with an average of 21°C (70°F). The month sees relatively low precipitation at just 20 mm (0.8 in) over three days, accompanied by high humidity levels of 77%. In contrast, September experiences cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 29°C (85°F), and an average of only 14°C (57°F). This month has more rainfall, totaling 58 mm (2.3 in) over nine days, while humidity remains slightly lower at 76%. For more detailed insights, you can check Stellenbosch weather in September.
When comparing the weather in January and October, we see notable contrasts. January typically enjoys warmer temperatures, with minimums around 13°C (55°F) and maximums reaching 32°C (90°F). In contrast, October brings cooler conditions, with a minimum of 6°C (44°F) and an average of 16°C (61°F). While January has a lower level of precipitation at 20 mm (0.8 in) over just 3 days, October experiences a rise in rainfall to 52 mm (2.1 in) across 7 days. Interestingly, both months have the same humidity level of 77%. For more details on October weather, visit Stellenbosch weather in October.
January and November present distinct weather patterns in Stellenbosch. In January, temperatures range from a minimum of 13°C (55°F) to a maximum of 32°C (90°F), with an average of 21°C (70°F), while November sees cooler temperatures, with a minimum of 9°C (48°F), an average of 17°C (63°F), and a maximum of 29°C (84°F). Precipitation is more frequent in November, with 46 mm (1.8 in) over 5 days, compared to January's 20 mm (0.8 in) across just 3 days. Humidity levels are similar, at 77% in January and 75% in November. For more detailed information, you can check Stellenbosch weather in November.
In January, the weather in Stellenbosch features slightly warmer temperatures with an average of 21°C (70°F) and maximums reaching 32°C (90°F), compared to December's average of 19°C (67°F) and maximum of 31°C (89°F). January experiences less precipitation, totaling 20 mm (0.8 in) over approximately 3 days, while December sees higher rainfall at 31 mm (1.2 in) over 6 days. Both months share the same humidity level of 77%, making January a bit drier and warmer than December. For more details, check out Stellenbosch weather in December.
As January unfolds in Stellenbosch, the weather offers a delightful contrast to the cooler months. With maximum temperatures reaching up to 32°C (90°F), the heart of summer brings warmer days filled with sunshine, ideal for outdoor activities and enjoying the scenic vineyards. While the average temperature settles at a comfortable 21°C (70°F), the evenings cool down to a refreshing 13°C (55°F), perfect for a cozy night under a starlit sky. Despite the occasional rain, averaging just 20 mm over three days, the overall humidity of 77% keeps the atmosphere vibrant and lush. It’s a season of warmth and growth, making January a unique time to experience the beauty of Stellenbosch. For more detailed insights, visit Stellenbosch Climate.