December Weather in Pietermaritzburg, South Africa

Last updated: August 31, 2025

In December, Pietermaritzburg experiences a dynamic blend of weather conditions, characterized by maximum temperatures soaring to 36°C (98°F), while the average temperature settles around a comfortable 20°C (68°F). Overnight, temperatures can dip to a cool 10°C (50°F), offering a refreshing contrast. The month is marked by significant precipitation, recording 160 mm (6.3 in) over 22 days, contributing to a notably humid atmosphere with levels reaching 86%. This combination of heat and humidity creates a vibrant and lively atmosphere in the city, perfect for enjoying the lush surroundings while also preparing for the possibility of rain.

December Temperature in Pietermaritzburg

In December, Pietermaritzburg, South Africa experiences warm weather that invites both locals and visitors to embrace the outdoors. With minimum temperatures around 10°C (50°F) and a pleasant average of 20°C (68°F), the month offers a delightful reprieve from the cooler months preceding it. December's maximum temperatures can reach a sweltering 36°C (98°F), reflecting a trend of progressively warmer conditions as summer approaches. This month heralds the peak of warmth before transitioning into January's heat, making it an ideal time for enjoying the lush landscapes and vibrant culture that Pietermaritzburg has to offer. The overall climate in December showcases the city’s tropical charm, offering plenty of sunshine and inviting opportunities for exploration.

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

The chart illustrates December temperature patterns in Pietermaritzburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pietermaritzburg, 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).
JanFebMarAprMayJunJulAugSepOctNovDec707069656156565862636668
Data source: Temperature data for Pietermaritzburg 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 Pietermaritzburg

December in Pietermaritzburg, South Africa, marks a significant upswing in precipitation, with an impressive 160 mm (6.3 in) of rainfall recorded over the month. This constitutes the highest rainfall for the year, aligning with the onset of the summer season when rain becomes more frequent and intense. With rainfall occurring on 22 days, December stands out not only for its volume but also for its consistency, setting the stage for lush landscapes and thriving ecosystems. In contrast to the previous months, such as May and June, which saw only 51 mm (2.0 in) and 12 mm (0.5 in) respectively, December's wet weather highlights a clear trend towards greater precipitation as the year closes, providing vital moisture for both agriculture and natural habitats.

December Precipitation Trends in Pietermaritzburg

The chart displays monthly precipitation patterns in Pietermaritzburg, 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 Pietermaritzburg, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1131549165511213386086138160
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Pietermaritzburg

In Pietermaritzburg, South Africa, December showcases a humidity level of 86%, maintaining a trend observed throughout the latter half of the year. Following the higher levels of November's 87%, the December humidity hints at a slight decrease but remains consistent with the elevated figures of recent months, including October's 86% and the spring months of March to May, all hovering around the same point. Interestingly, the transition from the cooler winter months of June and July, both at 80%, to the warmer, more humid conditions of summer illustrates a clear seasonal cycle. As this humid trend persists, residents and visitors alike are treated to a lush and vibrant landscape characteristic of the region's warm climate.

December Average Humidity in Pietermaritzburg

This chart illustrates the average monthly humidity levels in Pietermaritzburg, 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 Pietermaritzburg is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%86%86%80%80%80%85%86%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pietermaritzburg

December in Pietermaritzburg brings a return to extreme UV Index levels, peaking at a striking 15, which aligns with January's conditions, signaling a vibrant summer amidst the lush landscapes of South Africa. Just like the previous months, residents and visitors alike should exercise caution, as the burn time remains a brisk 10 minutes for unprotected skin. Following a pattern from earlier in the year, the UV Index reflects the region's tendency for intense sun exposure, with December marking the year's highest levels. This trend emphasizes the importance of sun protection, especially in the relentless summer heat. For more detailed insights on UV exposure in this region, visit Pietermaritzburg UV Index.

Maximum UV Index Levels in Pietermaritzburg for December

The chart shows the monthly maximum UV Index (UVI) for Pietermaritzburg 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 Pietermaritzburg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514129645710111315
Data source: Pietermaritzburg 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 Pietermaritzburg

In December, Pietermaritzburg basks in an impressive 343 hours of sunshine, making it one of the sunniest months of the year. This radiant finale to the calendar year showcases a delightful trend, as the city enjoys a gradual increase in sunlight from the previous months. Starting with 284 hours in January, sunshine hours ascend steadily, peaking in December. The months leading up to this peak, particularly March and October, also feature notable sunshine, with 334 and 326 hours respectively. As the festive season approaches, the growing abundance of sunlight not only highlights December’s charm but also reflects Pietermaritzburg’s reputation as a warm, inviting destination for outdoor activities and celebrations.

Monthly Sunshine Duration in Pietermaritzburg: December Highlighted

The December sunshine duration represents the total number of hours Pietermaritzburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec284h300h334h305h301h285h300h308h310h326h324h343h
Data source: Pietermaritzburg December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pietermaritzburg During December

In Pietermaritzburg, South Africa, December marks the tail-end of a trend towards sunnier weather as the year progresses. While the chances of sunshine peak in the middle of the year, with July basking in an impressive 85% likelihood, December shows a noticeable decline to 19%. This drop aligns with the seasonal transition into the summer months, where increased rainfall often accompanies higher temperatures. Consequently, although December may not promise abundant sunny days, it serves as a bridge from the sunlit glory of winter to the vibrant, yet occasionally wet, summer season ahead.

Percentage of Sunny Days in December in Pietermaritzburg

The chart illustrates the percentage of sunny days in Pietermaritzburg 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 Pietermaritzburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%21%45%51%65%74%86%62%48%33%30%19%
Data source: Pietermaritzburg December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pietermaritzburg in December

In Pietermaritzburg, South Africa, December brings a delightful return to longer days, with daylight lasting approximately 13 hours. This trend is consistent with earlier months like January and February, which also feature the same generous daylight duration. As the year progresses from the summer months into the cooler season, daylight gradually diminishes, reaching a low of 10 hours in mid-winter (June, July, and August). However, as spring approaches, daylight begins to lengthen again, climbing back to 11 hours in August and 12 hours by October. The cycle of light beautifully reflects the changing seasons, allowing residents and visitors to enjoy the vibrant outdoor activities that December's extended daylight provides.

Average Daylight Hours in Pietermaritzburg for December

The chart illustrates the variation in daylight duration in Pietermaritzburg throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 47m13h 5m12h 13m11h 20m10h 36m10h 15m10h 26m11h 4m11h 55m12h 48m13h 35m13h 59m
Data source: Pietermaritzburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Pietermaritzburg

In Pietermaritzburg, the month of December experiences a gentle breeze, with an average wind speed of 2.4 m/s (5 mph), slightly cooler after a series of consistent winds. Throughout the year, the wind speed remains fairly stable, hovering around the 2.0 to 2.6 m/s range. Notably, August, September, October, and November showcase the peak speeds of 2.6 m/s (6 mph), hinting at a robust atmosphere before the year wraps up. In contrast, early months like March, April, and May show a gradual decline, peaking again in June. This cyclic pattern, punctuated by slight fluctuations, adds to Pietermaritzburg's charm, creating a serene environment that welcomes the festive season.

Average December Wind Speed in Pietermaritzburg

The chart displays monthly wind speed patterns in Pietermaritzburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.22.12.02.02.42.22.62.52.62.62.4 m/s
Data source: Pietermaritzburg December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Pietermaritzburg Compares to Other Months

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

December and January in Pietermaritzburg exhibit similar temperature ranges, with both months experiencing maximum temperatures reaching up to 36°C (97-98°F). However, December tends to be slightly more humid, with an average humidity of 86%, compared to January's 85%. The notable difference lies in precipitation; December receives more rainfall at 160 mm (6.3 in) over 22 days, while January sees a decrease to 113 mm (4.5 in) across 15 days. This reduction in rainfall and humidity in January makes it a comparatively drier month. For more detailed information, check out Pietermaritzburg weather in January.

December and February share similar weather patterns, with both months experiencing high humidity levels of around 86%. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 36°C (98°F), with an average temperature of 20°C (68°F). Precipitation is also notable, with 160 mm (6.3 in) recorded over 22 days. In contrast, February sees slightly warmer temperatures, with minimums of 12°C (53°F) and maximums reaching 35°C (95°F), averaging 21°C (71°F), while precipitation decreases to 154 mm (6.1 in) over 18 days. Overall, both months are characterized by warmth and regular rainfall, but February tends to be a touch warmer and drier. For more detailed information, check out Pietermaritzburg weather in February.

In December, the weather in Pietermaritzburg is characterized by warmer temperatures, with a minimum of 10°C (50°F), an average of 20°C (68°F), and a maximum of 36°C (98°F). This month also sees significant precipitation, totaling 160 mm (6.3 in) over 22 days, resulting in a humid environment with 86% humidity. In contrast, March brings slightly cooler temperatures, with a minimum of 12°C (54°F), an average of 21°C (69°F), and a maximum of 34°C (93°F). Precipitation decreases to 91 mm (3.6 in) over 15 days, while humidity remains consistent at 86%. For more detailed information, you can visit the following link: Pietermaritzburg weather in March.

When comparing the weather in December and April, December tends to be warmer with average temperatures around 20°C (68°F) and a maximum reaching 36°C (98°F). In contrast, April has a slightly cooler average of 18°C (65°F) with the same maximum temperature of 36°C (97°F). December also experiences significantly more rainfall, with 160 mm (6.3 in) over about 22 days, while April sees only 65 mm (2.6 in) across approximately 12 days. Interestingly, both months share the same high humidity level of 86%. To learn more about the specific weather patterns in April, you can check out Pietermaritzburg weather in April.

December weather is characterized by significantly warmer temperatures and higher humidity compared to May. With minimum temperatures around 10°C (50°F) and maximums reaching up to 36°C (98°F), December averages a comfortable 20°C (68°F). Additionally, it experiences substantial rainfall, with 160 mm (6.3 in) spread over approximately 22 days, creating a humid atmosphere at 86% humidity. In contrast, May presents a cooler climate, with minimum temperatures dropping to 2°C (36°F) and a maximum of 30°C (86°F), averaging 16°C (61°F). Rainfall is markedly lower, totaling just 51 mm (2.0 in) over 6 days, yet the humidity remains consistent at 86%. For more detailed weather information, visit Pietermaritzburg weather in May.

When comparing December and June weather, notable differences emerge in both temperature and precipitation. December experiences warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 36°C (98°F), while June is significantly cooler, with temperatures varying from 1°C (34°F) to 29°C (84°F). December also sees higher humidity levels at 86% and substantially more rainfall, accumulating 160 mm (6.3 in) over 22 days, compared to June's modest 12 mm (0.5 in) over just 2 days. For more detailed information, you can visit Pietermaritzburg weather in June.

In December, the weather is notably warmer and more humid compared to July, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 36°C (98°F). This month experiences significantly higher precipitation, with an average of 160 mm (6.3 in) spread over 22 days, leading to a humidity level of 86%. In contrast, July is much cooler, with temperatures spanning from 0°C (33°F) to 29°C (85°F) and limited rainfall of only 13 mm (0.5 in) over just 2 days, resulting in a humidity level of 80%. For a closer look at specific weather patterns during this time, check out Pietermaritzburg weather in July.

When comparing the weather in December and August, it’s clear that December is significantly warmer and more humid. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 36°C (98°F), with an average of 20°C (68°F). The month also experiences substantial rainfall, with 160 mm (6.3 in) over 22 days, and humidity levels reaching 86%. In contrast, August presents cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 31°C (88°F), averaging 15°C (59°F). Precipitation is much lower at 38 mm (1.5 in) spread over just 9 days, and the humidity is a bit drier at 79%. For more detailed insights into August weather, you can check Pietermaritzburg weather in August.

When comparing the weather in December and September, December tends to be warmer overall, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 36°C (98°F), compared to September's temperatures, which range from a cooler 4°C (40°F) to a high of 37°C (98°F). While December has higher average temperatures at 20°C (68°F), it also experiences more rainfall, with 160 mm (6.3 in) of precipitation over 22 days, making it a wetter month than September, which only sees 60 mm (2.4 in) over 10 days. Humidity levels remain relatively similar in both months, at 86% for December and 85% for September. For more detailed information about September weather in Pietermaritzburg, visit Pietermaritzburg weather in September.

In comparing the weather between December and October, December tends to be warmer overall, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 36°C (98°F), while October experiences slightly cooler temperatures, with a minimum of 6°C (43°F) and an average max of 38°C (100°F). Both months are characterized by high humidity levels of 86%, but December sees more precipitation at 160 mm (6.3 in) over 22 days compared to October's 86 mm (3.4 in) over just 13 days. This increase in rainfall makes December a wetter month, which can influence outdoor activities. For more detailed information, you can refer to Pietermaritzburg weather in October.

When comparing the weather of December and November, December tends to be slightly warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 36°C (98°F), compared to November's range of 5°C (41°F) to 35°C (96°F). Precipitation levels are also higher in December, with 160 mm (6.3 in) of rainfall across 22 days, as opposed to November's 138 mm (5.4 in) over 17 days. Interestingly, humidity remains similar, with December at 86% and November at 87%. For more details on November weather patterns, you can check Pietermaritzburg weather in November.

Compare Pietermaritzburg's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Pietermaritzburg

December in Pietermaritzburg ushers in a vibrant summer atmosphere, setting it apart from other months with its soaring temperatures and high humidity levels. The city experiences a remarkable blend of heat and rain, often leading to lush landscapes and refreshing downpours. With an average temperature significantly warmer than the cooler months, December encapsulates the essence of summer, as most days are marked by a mix of sunshine and thunderstorms. This dynamic weather pattern, with frequent rain contributing to increased humidity, shapes a unique climate experience for residents and visitors alike. For more detailed insights into the seasonal variations, visit Pietermaritzburg Climate.