Last updated: August 31, 2025
December in Robertson, South Africa, offers a vibrant contrast of warm temperatures and occasional rain. The maximum temperature often reaches a sizzling 40°C (103°F), while the average temperature settles around a comfortable 20°C (68°F). As the month progresses, cool dips to a refreshing 9°C (48°F) can provide respite from the heat. This summer month usually witnesses about 25 mm (1.0 in) of precipitation spread over 5 days, resulting in a humidity level of 60% that adds a touch of moisture to the sun-drenched landscape. Visitors can expect a lively mix of sunny days and refreshing showers, painting a quintessential picture of South African summer.
In December, Robertson, South Africa, welcomes the festive season with pleasantly warm temperatures. The minimum temperature hovers around 9°C (48°F), while the average reaches a comfortable 20°C (68°F), setting a cheerful backdrop for any holiday activities. As the days progress, the mercury can soar to a sweltering maximum of 40°C (103°F), reminding residents and visitors alike of the region's summer heat. Compared to the cooler months preceding it, December showcases a notable shift, as the temperatures steadily climb from the chill of winter, signaling the arrival of brighter and warmer days ahead. This transition not only emphasizes the charm of Robertson's climate but also enhances the allure of outdoor gatherings and festivities during this vibrant time of year.
December in Robertson, South Africa, typically sees a moderate precipitation amount of 25 mm (1.0 in) over approximately 5 days. As the year wraps up, rainfall patterns reflect a gentle decline from the peak of 39 mm (1.5 in) recorded in November, suggesting a tapering off as the summer season transitions. This trend is consistent with the overall yearly pattern, where precipitation tends to fluctuate but remains relatively mild, with the December figures closely mirroring those from earlier months like September and October. With these gentle rains, December sets the stage for the warm summer days, nourishing the landscape while providing a brief respite from the heat.
In Robertson, South Africa, December marks a slight retreat in humidity, settling at 60%, which is the lowest level in the final stretch of the year. This month, characterized by its warm climate, signifies a gradual shift from the dampness of the mid-year months, where levels peaked at 82% during June and July. As the year progresses from the humid heights of April and May, where humidity hovers around 72-77%, December's drop is a refreshing contrast that hints at the approaching summer. Interestingly, post-December, humidity begins to fluctuate again, but the trend remains clear: Robertson experiences a notable peak in moisture during the colder months, before settling into a drier, more comfortable atmosphere as the new year unfolds.
In December, the UV Index in Robertson, South Africa peaks at a striking 15, categorizing the exposure as extreme with a dangerously short burn time of just 10 minutes. This trend of high UV levels has been consistent throughout the latter part of the year, with January and February also recording an extreme index of 15 and 14, respectively. As we transition into the peak summer months, it's clear that residents and visitors alike should take precautionary measures against intense sun exposure. Notably, the UV Index begins to trend lower starting in April, but December's intensity reminds us to stay vigilant during the sun's strongest hours. For more insights and real-time updates, check out Robertson UV Index.
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In December, Robertson, South Africa, basks in an impressive 421 hours of sunshine, making it the sunniest month of the year. This vibrant burst of light is a delightful contrast to the winter months, where sunlight hours dip as low as 276 hours in June. As the calendar turns from spring to summer, the region witnesses a remarkable upward trend in sunshine, consistently increasing from 297 hours in May to December’s peak. The gradual ascent, particularly notable in the transition from October with 374 hours and November at 392 hours, sets the stage for a radiant festive season. With December's abundant sunshine, Robertson stands as a cheerful haven, inviting visitors to embrace its warmth and beauty during the holiday months.
As December approaches in Robertson, South Africa, the likelihood of sunny weather begins to wane, with only a 42% chance of sunshine gracing the month. This decline marks a notable trend from the vibrant days of summer, as the sunniest months—January and February—boast probabilities of 74% and 73% respectively. Following the peak warmth, the chances of clear skies start a gradual descent, reaching 55% in March and dipping to 48% by November. December represents a turning point where the sun’s embrace becomes less certain, indicating a shift toward the cooler, cloudier days of winter.
In Robertson, South Africa, the daylight duration exhibits a captivating rhythm throughout the year, peaking in the summer months. December, with its 14 hours of daylight, mirrors January in offering the longest days, perfect for enjoying outdoor activities under the sun. As summer transitions into autumn, daylight gradually diminishes, reaching a low of 9 hours in June, the height of winter. However, by July and August, the days slightly elongate again, providing a brief reprieve as the region moves towards spring. This seasonal ebb and flow creates a dynamic cycle, where November and December once again gift ample daylight, inviting exploration and celebration of the natural beauty in this picturesque area.
As December arrives in Robertson, South Africa, the average wind speed settles at 2.6 m/s (6 mph), marking a slight increase from the preceding months. This figure reflects a gentle breeze that complements the region's warm summer days. Throughout the year, wind speeds exhibit a gradual decline from January's 2.9 m/s, hinting at calmer conditions as the seasons transition. Notably, while April and August see the lowest speeds, the winds pick up again towards the end of the year, suggesting a subtle shift in atmospheric patterns. The consistency of mild winds provides a serene backdrop for enjoying the stunning landscapes and vibrant vineyards that Robertson is renowned for, making December an inviting time to experience the beauty of this charming area.
Weather in Robertson varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Robertson, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather in Robertson features a minimum temperature of 9°C (48°F) and an average temperature of 20°C (68°F), with the maximum reaching up to 40°C (103°F). The month experiences around 25 mm (1.0 in) of precipitation across 5 days, with humidity levels averaging 60%. In contrast, January sees a slight increase in temperatures, with the minimum rising to 10°C (50°F), the average at 22°C (71°F), and maximums peaking at 42°C (107°F). Precipitation also increases to 31 mm (1.2 in) over the same 5 days, accompanied by a small rise in humidity to 62%. For further details, you can check Robertson weather in January.
In December, the weather features a minimum temperature of 9°C (48°F) and averages around 20°C (68°F), with a maximum reaching 40°C (103°F). The month sees about 25 mm (1.0 in) of precipitation over 5 days, accompanied by a humidity level of 60%. In contrast, February experiences slightly warmer conditions, with minimums at 10°C (50°F), an average of 22°C (72°F), and a maximum of 38°C (101°F). Precipitation decreases to 17 mm (0.7 in) over the same number of rainy days, with humidity rising slightly to 62%. For more detailed insights, check out Robertson weather in February.
In December, the weather is generally warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 40°C (103°F), while March sees slightly cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 37°C (99°F). Both months share an average temperature of 20°C (68°F), but December experiences less precipitation at 25 mm (1.0 in) over 5 days compared to March's 37 mm (1.5 in) over 7 days. Additionally, March tends to have higher humidity levels at 70%, compared to December's 60%. For more detailed information about the weather in March, you can check Robertson weather in March.
In comparing December and April weather, December typically presents warmer temperatures, boasting a minimum of 9°C (48°F) and an average of 20°C (68°F), peaking at 40°C (103°F). Precipitation is relatively low at 25 mm (1.0 in) over about 5 days, with humidity around 60%. In contrast, April experiences cooler conditions with a minimum of 4°C (40°F) and an average of 17°C (63°F), reaching a maximum of 36°C (98°F). Rainfall is slightly lesser at 16 mm (0.6 in) over the same number of days, but the humidity levels rise to 72%. For more detailed information, you can visit Robertson weather in April.
When comparing the weather in December and May, there are notable differences in temperature and humidity. December typically enjoys warmer temperatures, with an average high of 40°C (103°F) and a pleasant average of 20°C (68°F), while May’s temperatures are significantly cooler, ranging from a minimum of 2°C (36°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). Additionally, May experiences higher humidity levels at 77%, compared to December's 60%. Precipitation is fairly similar, with December receiving 25 mm (1.0 in) over 5 days and May slightly more at 27 mm (1.1 in) over just 4 days. For a detailed look at the weather in May, you can check Robertson weather in May.
The weather in December features much warmer temperatures, with a minimum of 9°C (48°F), an average of 20°C (68°F), and a maximum reaching up to 40°C (103°F). In contrast, June is notably cooler, with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 27°C (81°F), and an average of 12°C (54°F). December experiences slightly less rainfall, with 25 mm (1.0 in) over 5 days, compared to June's 28 mm (1.1 in) across 6 days. Additionally, humidity is higher in June at 82%, while December has a lower humidity level of 60%. For more details, you can check Robertson weather in June.
December and July present contrasting weather conditions. In December, temperatures soar with a minimum of 9°C (48°F) and a maximum reaching up to 40°C (103°F), coupled with a comfortable average of 20°C (68°F). The month experiences relatively low precipitation at 25 mm (1.0 in) over five days, alongside a humidity level of 60%. In stark contrast, July features much cooler temperatures, with a minimum dipping to -2°C (29°F) and an average of 11°C (52°F). The maximum temperature is capped at 29°C (84°F), while precipitation increases to 37 mm (1.5 in) across six days, and humidity rises significantly to 82%. This difference highlights the transition from the warm summer temperatures of December to the cooler winter months in July. For more details on this month, you can explore Robertson weather in July.
When comparing December and August, it's clear that December experiences much warmer temperatures, with averages ranging from a minimum of 9°C (48°F) to a maximum of 40°C (103°F), and notable humidity at 60%. In contrast, August is significantly cooler, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 29°C (84°F), and higher humidity levels at 78%. Additionally, December sees less precipitation (25 mm) over fewer days (5) compared to August's 34 mm rainfall over 6 days. For more specific details on weather patterns, you can refer to Robertson weather in August.
In December, the weather experiences a broader temperature range, with minimums at 9°C (48°F) and maximums reaching up to 40°C (103°F), while September's temperatures are milder, featuring minimums of 1°C (33°F) and maximums of 35°C (95°F). Both months receive similar precipitation, averaging around 25 mm (1.0 in), but December has slightly fewer rainy days at 5 compared to September's 6 days. Notably, December enjoys a lower humidity level of 60%, while September’s humidity is higher at 74%, contributing to a cooler and potentially more comfortable feel during the earlier month. For more detailed information, you can visit Robertson weather in September.
In December, the weather is generally warmer compared to October, with minimum temperatures around 9°C (48°F) and maximum temperatures reaching up to 40°C (103°F), while October sees lower temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 37°C (99°F). The average temperature in December is about 20°C (68°F), compared to October's 17°C (62°F), indicating a significant increase in warmth. Rainfall is slightly lesser in December, accumulating to 25 mm (1.0 in) over 5 days, while October experiences slightly more precipitation at 28 mm (1.1 in) over 6 days. Humidity is also a bit lower in December at 60%, compared to 67% in October. For more detailed insights, you can check Robertson weather in October.
December's weather shows a notable increase in temperatures compared to November, with minimums rising from 5°C (41°F) to 9°C (48°F) and maximums reaching up to 40°C (103°F), compared to November's maximum of 37°C (98°F). The average temperature also climbs slightly from 18°C (65°F) in November to 20°C (68°F) in December. Interestingly, while December experiences slightly less precipitation at 25 mm (1.0 in) over 5 days, compared to November's 39 mm (1.5 in) over 6 days, the humidity remains relatively stable at 60% in December versus 61% in November. For further insights into November's weather, you can check Robertson weather in November.
In December, Robertson transforms into a vibrant summer haven marked by warm temperatures and increased humidity, offering a sharp contrast to the cooler months of the year. With an average temperature hovering around a pleasant 20°C, visitors can expect both hot days and cooler evenings. Rainfall is relatively low, with just a few days of precipitation, a welcome relief that nourishes the lush surroundings while allowing ample sunshine for outdoor activities. This month is an ideal time to experience the region's natural beauty. For a deeper understanding of how December fits into the broader climate pattern, check out Robertson Climate.