December Weather in Soweto, South Africa

Last updated: August 31, 2025

December in Soweto, South Africa, presents a vibrant tapestry of weather characterized by its warm temperatures and notable humidity. The maximum temperature peaks at a sizzling 34°C (93°F), while the average hovers around a pleasant 20°C (69°F), offering residents and visitors a comfortable climatic experience. However, cooling down is often accompanied by a refreshing dip to a minimum of 10°C (51°F). This month also brings significant moisture, with 145 mm (5.7 in) of precipitation spread over 19 days, contributing to an 81% humidity level that envelops the city. Whether basking in the sun or enjoying the enriching downpours, December showcases Soweto's dynamic weather, creating an atmosphere full of life and warmth.

December Temperature in Soweto

In Soweto during December, the warmth of summer makes a striking return, with temperatures ranging from a minimum of 10°C (51°F) to highs peaking at 34°C (93°F). The average temperature settles around a comfortable 20°C (69°F), inviting both locals and visitors to indulge in outdoor festivities. December's weather reflects a broader trend of rising temperatures as the year comes to a close, as it stands alongside January as one of the hottest months. This consistency in warmth, coupled with relatively moderate nights, fosters a vibrant atmosphere perfect for experiencing the rich cultural tapestry of Soweto under the sun-drenched skies. The transition from the cooler months highlights the region's summer charm, making December an ideal time for exploring all that this vibrant community has to offer.

December Weather in Soweto: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Soweto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soweto, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec696866615651515764666869
Data source: Temperature data for Soweto generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Soweto

In December, Soweto experiences a significant uptick in precipitation, receiving 145 mm (5.7 in) of rainfall over 19 days, the highest monthly total of the year. This surge marks a clear transition into the summer season, following a gradual increase from the drier months of May to October. Notably, December's rainfall not only stands out in volume but also in frequency, with nearly half of the month seeing wet weather. This increase in precipitation plays a vital role in replenishing the region's ecosystems and agriculture, setting a vibrant tone as the year comes to a close. The consistent pattern of rising rainfall through late spring into December highlights the importance of these rainfalls for both local climate dynamics and community activities during the festive season.

December Precipitation Trends in Soweto

The chart displays monthly precipitation patterns in Soweto, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Soweto, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec129141766112832859100145
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Soweto

In December, Soweto experiences a notable humidity level of 81%, a slight decrease from the previous month’s 82%. This pattern reflects a broader trend throughout the year, where humidity levels tend to fluctuate, peaking in late autumn and early winter months. After reaching their highest in May and November, the humidity gradually recedes in the drier months of June and July. Notably, the transition from the drier winter months to the more humid summer months reveals how Soweto’s climate is characterized by its significant moisture during the warmer periods, contributing to the lush greenery and vibrant atmosphere of the region.

December Average Humidity in Soweto

This chart illustrates the average monthly humidity levels in Soweto, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Soweto is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%77%81%83%73%71%68%74%74%82%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Soweto

In December, Soweto experiences an extreme UV Index of 16, coinciding with the summer season in South Africa, where residents must remain vigilant about sun exposure. Notably, the burn time is a mere 10 minutes, reinforcing the need for protective measures during outdoor activities. This trend of high UV levels persists throughout the year, showcasing consistent extreme exposure from November to March, with only a marginal dip in April. In contrast, the winter months from May to July provide some respite, featuring reduced UV Index levels in the high category. However, as summer approaches, the intensity spikes again, signaling that both locals and visitors should prioritize sun safety year-round. For more details on the UV Index in Soweto, visit Soweto UV Index.

Maximum UV Index Levels in Soweto for December

The chart shows the monthly maximum UV Index (UVI) for Soweto in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Soweto typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311766811131516
Data source: Soweto December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Soweto

As December rolls in, Soweto, South Africa, shines with an impressive 378 hours of sunlight, marking the peak of the year for bright days. This vibrant month tops the charts, showcasing a remarkable upward trend in sunshine that begins in the spring and culminates in the exuberance of summer. From January to November, the hours consistently increase, rising from 311 to 373, demonstrating a gradual yet steady embrace of longer, sunlit days. December's radiant days not only light up the city but also reflect the lively spirit of the community, inviting residents and visitors alike to bask in the warmth and beauty of the season. The continuous rise in sunlight hours creates an atmosphere that's perfect for outdoor festivities, cultural celebrations, and a deep appreciation of Soweto’s rich heritage.

Monthly Sunshine Duration in Soweto: December Highlighted

The December sunshine duration represents the total number of hours Soweto experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec311h322h356h318h320h299h314h330h338h366h373h378h
Data source: Soweto December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Soweto During December

In December, Soweto, South Africa, experiences a 43% chance of sunny weather, marking a noticeable shift from the warmer months that precede it. Although this figure is significantly lower compared to the higher probabilities observed from June to July, it still offers some hopeful potential for sunshine amidst the early summer heat. The trend shows a gradual decline in sunny days as the year progresses, with January and February starting strong at 28% and 35%, respectively. However, this month is a gateway to an increasingly sunny January, which suggests that while December may be less reliable for clear skies, the overall climate trends toward brighter days as the season unfolds.

Percentage of Sunny Days in December in Soweto

The chart illustrates the percentage of sunny days in Soweto throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Soweto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%35%68%81%80%83%95%81%78%62%62%43%
Data source: Soweto December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Soweto in December

In Soweto, South Africa, December marks the culmination of a sun-drenched year, offering residents a generous 13 hours of daylight. This extends the summertime glow, seamlessly following November's equal length of daylight. As the year progresses, daylight begins robustly at 13 hours in January, tapering to 10 hours from May through July, showcasing the seasonal shift toward winter. By August, the days gradually elongate again, hinting at the return of summer. Throughout the year, the rhythm of daylight in Soweto not only highlights the vibrancy of the seasons but also invites locals and visitors alike to embrace each sunlit moment.

Average Daylight Hours in Soweto for December

The chart illustrates the variation in daylight duration in Soweto throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 33m12h 57m12h 12m11h 26m10h 48m10h 30m10h 39m11h 12m11h 56m12h 42m13h 23m13h 44m
Data source: Soweto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Soweto

As December settles over Soweto, the wind picks up slightly, with an average speed of 3.4 m/s (about 8 mph), providing a refreshing breeze amidst the warm summer days. This gentle increase follows a notable trend, where wind speeds have been gradually rising in the latter months of the year; November recorded its highest average at 4.3 m/s (10 mph), signaling a shift into breezier conditions. After a series of calmer months leading up to spring, December’s winds mark a transitional phase, hinting at the dynamic weather patterns characteristic of the summer season in South Africa. The variability in wind speeds throughout the year paints a picture of Soweto’s climate, combining the warmth of summer with refreshing gusts that invigorate the vibrant community.

Average December Wind Speed in Soweto

The chart displays monthly wind speed patterns in Soweto, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.82.72.62.72.93.03.93.83.84.33.4 m/s
Data source: Soweto December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Soweto Compares to Other Months

Weather in Soweto varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Soweto, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between December and January, both months exhibit warm temperatures, with December showcasing a minimum of 10°C (51°F) and an average of 20°C (69°F), while January slightly dips to a minimum of 9°C (49°F) and averages at 21°C (70°F). The maximum temperatures are similar, with December reaching up to 34°C (93°F) and January peaking at 34°C (94°F), indicating consistent warmth. Precipitation levels are slightly lower in January at 129 mm (5.1 in) over 14 days, compared to December's 145 mm (5.7 in) across 19 days, contributing to a marginally drier climate at an average humidity of 79% in January versus 81% in December. For more detailed insights, you can check Soweto weather in January.

In December, the weather tends to be warmer, with maximum temperatures reaching up to 34°C (93°F) and an average of 20°C (69°F), while February sees a slight decrease in maximum temperatures at 30°C (87°F). Both months experience similar minimum temperatures, staying consistently around 10°C (51°F). Precipitation is fairly high in both months, with December receiving 145 mm (5.7 in) over approximately 19 days compared to February's 141 mm (5.5 in) over 16 days, indicating a slightly drier trend towards the end of summer. Humidity levels are also marginally lower in February at 77%, compared to December’s 81%. For further details, you can check out the Soweto weather in February.

In December, the weather is typically warmer with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 34°C (93°F) and an average of 20°C (69°F). The month sees significant rainfall, with about 145 mm (5.7 in) distributed over 19 days, contributing to a high humidity level of 81%. In contrast, March brings slightly cooler temperatures, with minimums of 8°C (46°F), an average of 19°C (66°F), and maximums reaching 30°C (87°F). The month experiences less precipitation, approximately 75 mm (3.0 in) over just 10 days, resulting in lower humidity at 77%. For a detailed look at the weather specifics in March, you can visit Soweto weather in March.

In December, the weather is typically warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), and an average of 20°C (69°F). This month experiences significant precipitation, averaging 145 mm (5.7 in) over 19 days, while humidity remains high at 81%. In contrast, April sees cooler temperatures, with a minimum of 3°C (38°F), an average of 16°C (62°F), and a maximum of 29°C (85°F). Precipitation decreases to 61 mm (2.4 in) over just 9 days, yet the humidity level remains consistent at 81%. For more details, you can visit Soweto weather in April.

December and May present contrasting weather conditions. December boasts warmer temperatures, with a minimum of 10°C (51°F) and an average of 20°C (69°F), peaking at a maximum of 34°C (93°F). However, it is also characterized by significant rainfall, with 145 mm (5.7 in) over 19 days, creating a humid atmosphere at 81%. In stark contrast, May brings cooler temperatures, dipping to a minimum of -1°C (31°F) and averaging 13°C (56°F), with a maximum of 26°C (78°F). Precipitation is minimal in May, with only 12 mm (0.5 in) over just 1 day, and the humidity is slightly higher at 82%. For more information, you can check Soweto weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a minimum of 10°C (51°F) to a sizzling maximum of 34°C (93°F), with an average temperature of 20°C (69°F). This month experiences significant rainfall, with 145 mm (5.7 in) of precipitation spread over 19 days, resulting in high humidity levels of 81%. In stark contrast, June boasts much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 25°C (77°F), averaging at just 11°C (52°F). Precipitation is minimal in June, totaling only 8 mm (0.3 in) over just one day, and humidity levels are lower at 73%. For more specific details on the weather in this month, you can check Soweto weather in June.

The weather in December is notably warmer and more humid compared to July. December experiences temperatures ranging from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), with an average of 20°C (69°F). It is also characterized by high humidity at 81% and significant precipitation of 145 mm (5.7 in) over 19 days. In contrast, July features a much cooler climate with temperatures between -4°C (25°F) and 25°C (78°F), averaging 10°C (51°F). This month is considerably drier, with only 3 mm (0.1 in) of rainfall over just one day and lower humidity at 71%. For a more detailed look at July weather, you can visit Soweto weather in July.

December and August weather exhibit stark contrasts. In December, temperatures range from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), with an average of 20°C (69°F), alongside significant precipitation of 145 mm (5.7 in) over 19 days. The humidity is quite high at 81%, creating a warm and often steamy atmosphere. In contrast, August experiences much cooler temperatures, with a minimum of -1°C (30°F), an average of 14°C (57°F), and a maximum of 27°C (80°F). Remarkably, there is minimal precipitation at just 2 mm (0.1 in) across zero days, and the humidity is relatively lower at 68%. For more insights on the weather during this month, check out Soweto weather in August.

December and September present contrasting weather patterns. December boasts warmer temperatures, with a minimum of 10°C (51°F) and an average of 20°C (69°F), reaching a maximum of 34°C (93°F). It also experiences higher humidity at 81% and significantly more rainfall, totaling 145 mm (5.7 in) over 19 days. In contrast, September experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 18°C (64°F), peaking at 32°C (91°F). Rainfall is minimal in September, with only 8 mm (0.3 in) over just 2 days and lower humidity at 74%. For more detailed insights, you can refer to Soweto weather in September.

In December, temperatures are notably warmer, with a minimum of 10°C (51°F) and an average of 20°C (69°F), peaking at a maximum of 34°C (93°F). The month experiences higher precipitation levels as well, with 145 mm (5.7 in) of rain spread over 19 days, resulting in increased humidity at 81%. In contrast, October has cooler temperatures, with a minimum of 4°C (40°F) and an average temperature of 19°C (66°F), reaching a maximum of 33°C (92°F). Precipitation is significantly lower in October, totaling only 59 mm (2.3 in) over just 7 days, and humidity is also less at 74%. For more detailed insights, you can explore Soweto weather in October.

In comparing the weather between November and December, it's clear that December experiences a warmer minimum temperature of 10°C (51°F), whereas November starts off cooler at 4°C (40°F). Interestingly, both months share the same average and maximum temperatures, with both sitting at 20°C (69°F) and 34°C (93°F) respectively. However, December brings more rainfall, with 145 mm (5.7 in) over 19 days compared to November's 100 mm (4.0 in) over 13 days, leading to slightly higher humidity levels in December at 81%, compared to November's 82%. For more details on November weather, check out Soweto weather in November.

Compare Soweto's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Soweto

As December wraps Soweto in its warm embrace, it marks a departure from the cooler months, offering a vibrant contrast with maximum temperatures soaring up to 34°C (93°F) and an average temperature of 20°C (69°F). This month also introduces an increased humidity of 81%, adding a sultry feel to the air, which is quite different from the dry winters. Frequent precipitation adds to the lively atmosphere, with rain gracing the city on nearly two-thirds of the days this month. The result is a dynamic blend of warmth and moisture, making December a unique experience in Soweto's climatic tapestry. For a deeper understanding of how the weather shapes this vibrant region, explore more at Soweto Climate.