Last updated: August 31, 2025
In Rondebosch, South Africa, December brings a pleasant mix of warm temperatures and moderate humidity, making it an ideal time for outdoor activities. Maximum temperatures soar to 28°C (82°F), with an average of 19°C (66°F) and a minimum of 14°C (58°F), ensuring a comfortable climate throughout the month. While the region experiences some rain with a total precipitation of 26 mm (1.0 in) over approximately five days, the humidity levels hover around 77%, adding a refreshing feel to the warm summer days. Enjoy the vibrant atmosphere and sunny landscapes as Rondebosch embraces the summer season!
In December, Rondebosch, South Africa, experiences a delightful transition into summer, characterized by warm and inviting temperatures. With a minimum of 14°C (58°F) and a maximum reaching up to 28°C (82°F), the month strikes a perfect balance for outdoor activities and exploration. The average temperature hovers around 19°C (66°F), providing comfortable conditions for both locals and visitors to enjoy the lush surroundings. As the temperatures begin to rise from the cooler months of winter and spring, December heralds a vibrant season filled with sunshine and outdoor festivities, inviting everyone to bask in the enchanting atmosphere of this picturesque region.
December in Rondebosch, South Africa, marks a transition as the year winds down, with precipitation levels averaging 26 mm (1.0 in) spread over approximately five days. This moderate rainfall is part of a broader trend throughout the year, where wet conditions begin to pick up from the dry summer months of January and February, with their paltry 14 mm and 10 mm, respectively. As the seasons change, precipitation peaks in the middle of the year—most notably in June—before tapering off again towards December. This distinct pattern of rainfall not only enriches the local flora but also creates a refreshing contrast against the warmer temperatures, making December a unique and inviting month in Rondebosch.
In December, Rondebosch experiences a humidity level of 77%, mirroring the patterns seen in previous months. As the year winds down, humidity tends to stabilize after peaking in February at 80%. Following a gradual decline from November’s 75%, December's humidity reflects a return to the higher averages typical of late spring and early summer. The overall trend shows a consistent oscillation between 75% and 81% throughout the year, creating a characteristic climate that balances moderate moisture with the warmth of the season, ensuring a pleasant atmosphere conducive to local outdoor activities.
In December, Rondebosch experiences a UV Index of 14, categorized as extreme, which means sun protection is crucial, with a burn time of just 10 minutes. This peak aligns with a noticeable upward trend throughout the summer months, as January also shares the same extreme rating, while February closely follows with an index of 13. As the year progresses into autumn, there’s a slight decline in UV levels, transitioning to very high and then moderate exposure categories. However, the consistency of high UV levels in December marks it as one of the sunniest and potentially most damaging months for skin, underscoring the need for vigilance when enjoying the outdoors. For more information on the UV Index in Rondebosch, visit Rondebosch UV Index.
UV Risk Categories
December in Rondebosch, South Africa, dazzles with an impressive 422 hours of sunshine, culminating the year with one of the highest monthly totals. As the year progresses, a clear trend emerges: hours of sunlight peak dramatically in summer, reaching a low of 266 hours in June and gradually rising through winter months. November shines brightly with 390 hours, paving the way for December’s radiant finale. The steady increase from the cooler months reflects Rondebosch's transition into summer, making it a prime time for outdoor activities and soaking up the sun's warm embrace. This vibrant month sets the stage for a sunlit New Year, inviting locals and visitors alike to revel in the abundant light that southern summers offer.
In Rondebosch, South Africa, December heralds a promising shift towards sunnier skies, with a 60% chance of sunny weather. This marks a notable increase compared to the preceding months, especially from the subdued autumn and winter periods when the likelihood hovered around the 51% to 56% range. As the year winds down, residents can look forward to a blend of warmth and brightness in early summer, creating an inviting backdrop for outdoor gatherings and festive activities. The upward trend in sunshine sets the stage for a lively and cheerful atmosphere, making December a delightful time to bask in the sun's glow.
In Rondebosch, South Africa, December shines brightly with 14 hours of daylight, marking a peak in the seasonal cycle. This month signals the culmination of increasing daylight that begins in October with 12 hours and steadily climbs to its highest point. As the year progresses from January to June, daylight gradually diminishes, reaching its lowest at 9 hours in June. However, a resurgence is evident as daylight begins to extend again from July, leading back to 10 hours. The gradual shift back to longer days in the latter months creates a beautiful rhythm of light, with November also offering 13 hours before the return to December's glorious glow. This cyclical pattern not only defines Rondebosch’s climate but also enriches its summer experience, inviting both locals and visitors to bask in the extended sunshine of the festive season.
In Rondebosch, South Africa, the December winds pick up slightly, averaging 6.0 m/s (13 mph), which is a gentle but invigorating breeze that sets the stage for the summer season. Notably, as the calendar year winds down, the wind speeds have shown a gradual end-of-year uptick from the milder months of late autumn, where April and May languished around 4.0 to 5.0 m/s. This trend continues from September to November, where a subtle rise nudges the wind speeds back into the comfortable range of the mid-sixes. With the transition into December, the breeze remains soothing yet lively, heralding the brighter days of summer ahead, while hinting at the seasonal shifts that characterize the region’s climatic rhythm.
Weather in Rondebosch varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rondebosch, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a warm temperature range with minimums around 14°C (58°F) and averages of 19°C (66°F), peaking at 28°C (82°F). There's moderate precipitation of 26 mm (1.0 in) over about 5 days, contributing to a relatively humid atmosphere at 77%. In contrast, January sees slightly warmer conditions, with minimum temperatures at 15°C (59°F) and average highs remaining consistent at 28°C (82°F). However, precipitation decreases significantly to 14 mm (0.6 in) distributed over just 2 days, maintaining the same 77% humidity level. For more detailed information, check out Rondebosch weather in January.
In comparing the weather between December and February, we see a slight increase in average temperatures, with December averaging 19°C (66°F) and February reaching 20°C (68°F). December experiences higher maximum temperatures, peaking at 28°C (82°F), while February's highs are slightly lower at 27°C (81°F). Precipitation is also notably different, with December receiving 26 mm (1.0 in) of rain over five days, compared to a much drier February, which sees only 10 mm (0.4 in) during just two days of precipitation. Humidity remains relatively consistent, with February at 80% and December at 77%. For more details on February weather in Rondebosch, you can check Rondebosch weather in February.
In December, the weather features a range of temperatures with a minimum of 14°C (58°F) and an average of 19°C (66°F), reaching a maximum of 28°C (82°F). This month experiences around 26 mm (1.0 in) of precipitation spread over 5 days, with humidity levels at 77%. Conversely, March sees a slightly lower minimum temperature of 13°C (56°F), but maintains the same average and maximum temperatures of 19°C (66°F) and 28°C (82°F), respectively. Precipitation in March is marginally less at 24 mm (1.0 in) over 4 days, accompanied by a higher humidity level of 81%. For more details on March weather, you can check Rondebosch weather in March.
When comparing the weather in December and April, December tends to be slightly warmer with minimum temperatures around 14°C (58°F) and average highs reaching 28°C (82°F). In contrast, April sees slightly cooler temperatures, with a minimum of 11°C (53°F) and average highs peaking at 31°C (88°F). Both months experience similar levels of precipitation, with December receiving 26 mm (1.0 in) and April slightly higher at 30 mm (1.2 in), along with rainfall occurring on about five days in each month. Humidity levels are also comparable, with December at 77% and April at 80%. For a detailed look at the weather conditions, check out Rondebosch weather in April.
When comparing the weather in December and May, December tends to be warmer overall, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (82°F), while May features cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 25°C (78°F). December also experiences less precipitation, averaging 26 mm (1.0 in) over approximately 5 days, compared to May's higher average of 63 mm (2.5 in) over about 7 days. Humidity levels are similar in both months, with December at 77% and May slightly higher at 78%. For further details on the weather conditions in May, you can check Rondebosch weather in May.
In December, the weather is generally warmer, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (82°F), and an average of 19°C (66°F). Precipitation is relatively low at 26 mm (1.0 in) over about five days, contributing to a humidity level of 77%. In contrast, June experiences cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 23°C (74°F), averaging at 14°C (58°F). Additionally, June sees significantly more rainfall, totaling 103 mm (4.1 in) over approximately 11 days, resulting in a slightly higher humidity of 79%. For more detailed weather information for this month, you can visit Rondebosch weather in June.
The weather in December generally offers warmer temperatures compared to July, with average highs reaching 28°C (82°F) and lows around 14°C (45°F), while July sees a cooler average maximum of 24°C (75°F) and a minimum of 7°C (45°F). December experiences relatively low precipitation, with about 26 mm (1.0 in) over just 5 days, compared to July's wetter conditions, which bring 95 mm (3.7 in) of rainfall across approximately 10 days. Humidity levels are quite similar, hovering around 77% in December and slightly higher at 80% in July. For more detailed information about the July weather, you can check this link: Rondebosch weather in July.
In December, the weather is generally warmer and more arid compared to August. With temperatures ranging from a minimum of 14°C (58°F) to a high of 28°C (82°F), December enjoys an average temperature of 19°C (66°F) and only sees about 26 mm of precipitation over five days. In contrast, August has cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 24°C (76°F), resulting in an average of 13°C (56°F) and significantly more rainfall at 75 mm over eleven days. Both months experience a similar humidity level of 77%, but the overall conditions are much drier and warmer in December. For more detailed information, you can check Rondebosch weather in August.
When comparing the weather in December and September, December generally offers milder temperatures with an average of 19°C (66°F), compared to September's cooler 15°C (59°F). Both months share the same maximum temperature of 28°C (82°F), but December's minimum temperature is notably higher at 14°C (58°F) versus September's 9°C (48°F). Precipitation levels are also significant, with December receiving 26 mm (1.0 in) over 5 days, while September has a higher precipitation of 45 mm (1.8 in) spread over 8 days. Humidity remains relatively consistent, with December at 77% and September at 76%. For more detailed weather insights, check out Rondebosch weather in September.
In comparing the weather in December and October, December generally exhibits warmer temperatures, with minimums around 14°C (58°F) and averages reaching 19°C (66°F), while October's temperatures hover between a minimum of 11°C (51°F) and an average of 16°C (61°F). Both months see similar maximums, with December peaking at 28°C (82°F) and October at 27°C (81°F). However, October is notably wetter, receiving 41 mm (1.6 in) of precipitation compared to December's 26 mm (1.0 in), despite both months experiencing rainfall on about five days. Humidity levels remain consistent at 77% in both months. For a deeper look into October's weather specifics, check out Rondebosch weather in October.
In comparing the weather between November and December, we can see a gradual warming trend. December features a minimum temperature of 14°C (58°F) and an average of 19°C (66°F), slightly warmer than November's minimum of 12°C (53°F) and average of 17°C (64°F). The maximum temperatures also rise, reaching 28°C (82°F) in December compared to November's peak of 25°C (77°F). Precipitation decreases from 33 mm (1.3 in) over five days in November to 26 mm (1.0 in) over the same number of days in December. Humidity remains relatively similar, with December at 77% and November at 75%. For more detailed insights, you can check Rondebosch weather in November.
In December, Rondebosch experiences a delightful shift as summer fully takes hold, characterized by warmer temperatures and increased humidity compared to other months. The pleasant average warmth makes outdoor activities a joy, yet the occasional rain adds a refreshing touch to the season. Despite a few precipitation days, the overall vibe is one of sun-soaked afternoons and balmy evenings. As you explore Rondebosch, you'll find that this month stands apart with its vibrant summer atmosphere, perfect for enjoying all that this charming locale has to offer. For a deeper understanding of the area's weather patterns, visit Rondebosch Climate.