Last updated: August 31, 2025
Experience the vibrant December weather in Malmesbury, South Africa, where temperatures soar with a maximum of 40°C (104°F), while the average hovers around a warm 22°C (72°F). As the days unwind, the evenings cool down to a pleasant 9°C (49°F), offering a refreshing contrast. Expect occasional rainfall, with 21 mm (0.8 in) of precipitation over 4 days, presenting a balance to the warm, sun-drenched days. With humidity levels at 60%, the air is filled with a lively energy, inviting both locals and visitors to enjoy the beauty of this picturesque town.
In Malmesbury, South Africa, December heralds the arrival of summer, with temperatures reaching a high of 40°C (104°F), making it one of the hottest months of the year. The month typically begins with cooler nights, as low temperatures hover around 9°C (49°F), but as the days progress, the warmth becomes more pronounced with an average of 22°C (72°F). This transitional pattern reflects a significant shift from the earlier months, where temperatures gradually increased from 6°C (44°F) in November, highlighting the region's characteristic summer heat. With such warm days and cool nights, December in Malmesbury offers a vibrant and refreshing climate, perfect for outdoor activities amidst the festive spirit of the season.
December in Malmesbury, South Africa, marks a shift towards milder rainfall, with precipitation totaling 21 mm (0.8 in) over four days. This amount is lower than the peaks seen in the mid-year months, such as June and July, which experience significantly heavier rains averaging over 95 mm. December's rainfall serves as a gentle reminder of the approaching summer, providing a refreshing contrast to the drier months earlier in the year. As the year draws to a close, the precipitation trend reflects a transition from the wettest season back to relatively lighter showers, underscoring the region's Mediterranean climate.
In Malmesbury, South Africa, December brings humidity levels down to 60%, marking a subtle dip compared to the preceding months. Following a gradual increase from 62% in January to a peak of 82% during the mid-year, humidity typically escalates through the cooler winter months before starting its descent in spring. November closes with 61%, offering a slight reprieve before December’s figures. This trend indicates a seasonal fluctuation, where the year culminates in drier conditions, providing residents and visitors with a brief, refreshing escape from the preceding months of heightened moisture.
In December, Malmesbury, South Africa, sees a dramatic rise in the UV Index, peaking at an extreme 14, which means sun exposure can lead to burning in just 10 minutes. This intensity mirrors the trend observed in the earlier months of the year, specifically January and February, when the UV Index also reached 14 and 13, respectively. As the seasons transition into the latter part of the year, there's a noticeable drop in the UV levels, with the index varying from a moderate 5 in May to a very high 9 in September. However, December stands out with its extreme rating, signaling the need for vigilant sun protection. For more insights on UV levels throughout the year, visit Malmesbury UV Index.
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In December, Malmesbury basks in a remarkable 422 hours of sunshine, showcasing the peak of its radiant summer season. Following a gradual ascent throughout the year, where the sunshine hours typically hover around the mid-300s, December stands out as a vibrant capstone to the year. From 340 hours in January to a steady rise culminating in December's offering, the trend highlights a marked increase especially noticeable in the latter months. This progression reflects not only the joys of summer but also invites both locals and visitors to revel in the warm, sun-drenched days that December uniquely provides. As the year closes, Malmesbury shines brighter than ever, representing the perfect backdrop for outdoor adventures and festive celebrations.
December in Malmesbury, South Africa, offers a moderate chance of sunny weather, with the sun making an appearance about 59% of the time. As we move from the peak summer months of January and February, where the likelihood of sunshine soars to an impressive 88%, the amount of sunlight begins to decline. The transition through the seasons shows a gradual dip in sunny days, particularly as we approach the winter months. While December's sunshine probability is relatively lower than the early summer months, it still suggests an overall pleasant end to the year, making it a favorable time for outdoor activities amid the lingering warmth of late spring.
In Malmesbury, South Africa, December shines bright with an impressive 14 hours of daylight, mirroring the long days of January. As the year unfolds, daylight gradually diminishes from March's 12 hours to June's shorter span of 9 hours, marking the winter months. However, daylight begins to stretch again in July, with 10 hours returning, and gains momentum through the spring months of August to November, where it climbs back to 13 hours. This annual cycle highlights a rhythmic dance of light, with December standing out as a time of abundance, encouraging outdoor activities and vibrant community gatherings.
As December settles in Malmesbury, the average wind speed registers at 3.3 m/s (7 mph), marking a gentle breeze that transitions the city into a quieter phase before the summer heat intensifies. Observing the trend throughout the year, the winds peak in the early months, particularly in January and February, hovering around 3.9 m/s (9 mph) and 3.8 m/s (9 mph). However, as autumn approaches, a gradual decline is evident, with speeds tapering off to their lowest in May and June, where gusts dip to 2.5 m/s (6 mph). This pattern of diminishing winds persists into the winter months, yet December remains pleasantly breezy, creating a comfortable atmosphere perfect for outdoor activities amidst the lush surroundings. The subtle shifts in wind speed reflect the rhythm of nature in Malmesbury, enhancing its charm and allure during this festive season.
Weather in Malmesbury varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Malmesbury, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Malmesbury range from a minimum of 9°C (49°F) to a maximum of 40°C (104°F), with an average temperature of 22°C (72°F). The month sees about 21 mm (0.8 in) of precipitation over 4 days, and the humidity sits at 60%. In contrast, January experiences slightly warmer conditions, with minimum temperatures rising to 11°C (51°F) and an average of 24°C (75°F), while max temperatures remain the same at 40°C (104°F). Precipitation decreases to 15 mm (0.6 in) over just 3 days, and humidity increases slightly to 62%. For more detailed information, visit Malmesbury weather in January.
In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 40°C (104°F), with an average of 22°C (72°F). This month experiences about 21 mm (0.8 in) of precipitation over four days, contributing to a humidity level of 60%. In contrast, February sees slightly warmer temperatures, with a minimum of 10°C (51°F) and an average high of 39°C (103°F), averaging at 24°C (75°F). Precipitation is significantly lower in February, totaling just 7 mm (0.3 in) over two days, and humidity increases slightly to 62%. For more detailed information, you can check Malmesbury weather in February.
In December, the weather exhibits a warm climate with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 40°C (104°F), and an average temperature of 22°C (72°F). The month sees about 21 mm (0.8 in) of precipitation over four days, with humidity levels around 60%. In contrast, March experiences similar temperature patterns, with a minimum of 9°C (49°F), an average of 22°C (71°F), and a slightly lower maximum of 39°C (103°F). Precipitation in March is 20 mm (0.8 in) over just three days, but humidity rises to 70%. For more specifics about March weather, you can check Malmesbury weather in March.
In December, the weather features warmer temperatures, with a minimum of 9°C (49°F) and an average of 22°C (72°F), peaking at a high of 40°C (104°F). The month experiences relatively low precipitation of 21 mm (0.8 in) over 4 days, with humidity around 60%. In contrast, April brings slightly cooler conditions, with a minimum temperature of 7°C (44°F) and an average of 19°C (66°F), reaching a maximum of 36°C (98°F). April also sees a bit more rain, with 26 mm (1.0 in) falling on 4 days, and higher humidity at 72%. For more details, you can check Malmesbury weather in April.
December and May showcase contrasting weather patterns. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 40°C (104°F), with an average of 22°C (72°F). The month experiences relatively low precipitation at 21 mm (0.8 in) over about 4 days, accompanied by a humidity level of 60%, creating a warm and often dry atmosphere. In comparison, May is cooler with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (92°F), and an average temperature of 15°C (60°F). Rainfall increases significantly in May, totaling 53 mm (2.1 in) over 5 days, and the humidity rises to 77%, resulting in a more damp and cooler environment. For more details on May's weather, visit Malmesbury weather in May.
In December, the weather in Malmesbury is characterized by significantly warmer temperatures, with a minimum of 9°C (49°F) and a maximum reaching up to 40°C (104°F). This month experiences relatively low precipitation, averaging just 21 mm (0.8 in) over only four days, combined with a moderate humidity level of 60%. In contrast, June brings cooler temperatures, with a minimum of -1°C (30°F) to an average of 13°C (55°F) and a maximum of 28°C (84°F). This month is much wetter, recording 101 mm (4.0 in) of rainfall over about ten days, and higher humidity at 82%. For a detailed look at weather patterns during this month, check out Malmesbury weather in June.
When comparing the weather in December and July, there are striking differences. December boasts a warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a sizzling maximum of 40°C (104°F) and an average of 22°C (72°F). It sees relatively low precipitation at 21 mm (0.8 in) over just 4 days, along with a moderate humidity of 60%. In contrast, July experiences significantly cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 28°C (83°F), averaging 11°C (53°F). Additionally, July is much wetter, receiving 95 mm (3.8 in) of rainfall over about 9 days, and the humidity peaks at 82%. For more specific details on the weather conditions in July, check out Malmesbury weather in July.
When comparing the weather in December and August, a clear contrast emerges. December boasts much warmer temperatures, with a minimum of 9°C (49°F) and highs reaching up to 40°C (104°F), while August experiences much cooler conditions, with temperatures ranging from a chilly 0°C (31°F) to a pleasant maximum of 29°C (85°F). Additionally, December has limited precipitation, averaging just 21 mm (0.8 in) over about 4 days, compared to August, which sees significantly higher rainfall of 68 mm (2.7 in) spread over 11 days. Moreover, humidity levels are higher in August at 78%, compared to December's 60%. For more detailed insights, you can check out the Malmesbury weather in August.
In comparing the weather between December and September, December typically experiences warmer temperatures, with a minimum of 9°C (49°F) and an average high of 22°C (72°F), peaking at a scorching 40°C (104°F). In contrast, September is significantly cooler, with minimum temperatures dropping to 2°C (35°F) and an average high of 14°C (58°F), reaching a maximum of 35°C (95°F). Precipitation is also notably different; December sees only 21 mm (0.8 in) over about 4 days, whereas September has a higher total of 41 mm (1.6 in) across approximately 7 days. Humidity levels are higher in September at 74%, compared to December's 60%. For more detailed information about September weather, you can check Malmesbury weather in September.
When comparing the weather in December and October, we notice some distinct differences. December typically sees a minimum temperature of 9°C (49°F) and an average of 22°C (72°F), with maximum temperatures reaching up to 40°C (104°F). In contrast, October has cooler temperatures, with a minimum of 2°C (36°F) and an average of 17°C (64°F), while the maximum can still reach 38°C (100°F). Precipitation is slightly lower in December, with 21 mm (0.8 in) over 4 days, compared to October's 32 mm (1.3 in) over 5 days. Humidity also plays a role, being 60% in December and a bit higher at 67% in October. For more specific information about October weather, you can check Malmesbury weather in October.
In comparing the weather of December and November, December generally sees warmer temperatures with a minimum of 9°C (49°F) and an average of 22°C (72°F), as opposed to November's minimum of 6°C (44°F) and average of 20°C (67°F). The maximum temperatures in December can reach up to 40°C (104°F), which is notably higher than November’s peak of 36°C (97°F). Precipitation levels also differ, with December experiencing 21 mm (0.8 in) over 4 days, less than November’s 35 mm (1.4 in) also over 4 days. Humidity remains quite similar, with December at 60% and November slightly higher at 61%. For more detailed insights, check out Malmesbury weather in November.
As December rolls into Malmesbury, the climate transforms dramatically, ushering in warm temperatures that peak at a sizzling 40°C, contrasting sharply with the cooler months. With an average of 22°C, residents experience a comfortable warmth during the day while the nights cool off nicely, dipping to a minimum of 9°C. Precipitation is minimal, with only about 21 mm over four days, making it a relatively dry month, yet humidity hovers around 60%, adding a touch of muggy air to the sunny days. For those interested in a detailed overview, be sure to check out our comprehensive guide on Malmesbury Climate.