Record-breaking December Weather in Johannesburg!

Record-breaking December Weather in Johannesburg!

December is a great time to visit Johannesburg, as the weather is usually mild and sunny. Daytime temperatures can range from a low of around 15°C (59°F) to a high of around 25°C (77°F). Evenings are usually cool, with temperatures dropping to around 10°C (50°F). December is usually the driest month in Johannesburg, with very little rainfall. The days are usually sunny and clear, with an average of 7 hours of sunshine per day. Weather can vary, however, and there can be some rain and thunderstorms during the month. It is important to dress accordingly, with layers and waterproof jackets in case of rain. December is also the start of the summer in Johannesburg, so visitors should be prepared for hot temperatures, especially during the afternoon.

December Weather Johannesburg

December in Johannesburg is usually a pleasant time of year. It is usually sunny with temperatures ranging from mild to hot. The average daily temperature is around 25 degrees Celsius, though it can get as hot as 30 degrees during the day. At night, temperatures drop down to a comfortable 15 degrees. There is also a chance of rain during December, but it is usually light and short-lived. December is the start of the summer season in Johannesburg, and it is a great time for outdoor activities such as swimming, hiking, and sunbathing.

Historical Average December Weather in Johannesburg

December is a special month in Johannesburg, South Africa. It marks the end of the year and the start of a new one. For many, it’s a time to reflect on the year gone by and look forward to the future. But what can you expect from the weather in Johannesburg during the month of December?

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Historically, the average December weather in Johannesburg is mild and sunny. Temperatures tend to hover around the mid-20s Celsius (77°F) during the day and dip down to the low teens Celsius (55°F) at night. The city typically sees around 10 days of sunshine each month, and the sky remains mostly clear throughout the month.

Rainfall is also relatively low during December in Johannesburg, with an average of only about 18mm (0.7 inches) per month. This means that the city often sees long periods of dry weather with no rainfall at all.

The winter months of June and July bring cooler temperatures and more frequent rain to Johannesburg. During this time, temperatures can dip to around 9°C (48°F) during the day and as low as 2°C (35°F) at night. The city also sees more frequent cloud cover during these months, with an average of 20 days of rain each month.

Overall, December weather in Johannesburg is relatively mild and sunny, making it a great time to enjoy the outdoors and explore the city. The dry, sunny weather is perfect for sightseeing, and the mild temperatures mean you won’t need to bundle up too much.

December Weather Variations

Ah, December in Johannesburg. The weather during this month offers a unique blend of warm, sunny days, mild nights, and a few days of precipitation.

Record-breaking December Weather in Johannesburg!

December is typically the warmest month of the year in Johannesburg, with average high temperatures of 25°C (77°F) and average low temperatures of 11°C (52°F). This means that most days are pleasant and sunny, ideal for day trips to the nearby Johannesburg Zoo or the Johannesburg Botanical Garden.

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However, the temperature can vary significantly from day to day. Some days may be quite warm, with highs reaching up to 30°C (86°F). On these days, it’s important to stay hydrated and wear light clothing to avoid heat exhaustion. Conversely, the temperature can dip to as low as 7°C (45°F) on some nights. To stay comfortable, it’s best to dress in layers and keep warm with an extra blanket in the evening.

Rainfall is not unusual in December, with an average of just over 38 millimetres (1.5 inches) of precipitation per month. This can come in the form of light showers or thunderstorms, but the weather is usually still warm and sunny in between. The rain is a welcome relief for the gardens and parks of Johannesburg, providing a much-needed source of moisture during the dry season.

Altogether, December is a lovely time to visit Johannesburg. The weather is generally mild and pleasant, although there is some variation in temperature and rainfall. With plenty of sunshine and a few days of rain, it’s the perfect time to explore the city’s many attractions and enjoy the mild South African winter.

December Weather Events

Ah, December, the month of holiday cheer, family gatherings, and of course, unpredictable weather. In Johannesburg, South Africa, December is typically marked by unpredictable weather, ranging from hot and humid to cold and rainy. With June through August being the warmer months, December brings a much needed cool down, but that doesn’t mean the weather can’t be erratic.

The start of the month is usually sunny, with mild temperatures. Daytime temperatures range from the low to mid-20s Celsius (70-80F), with nights getting a bit chillier. Rain showers can occur, but are usually short-lived. During this period, the sun sets around 6 or 7 PM, giving a bit of extra time to enjoy the outdoors.

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As the month progresses, temperatures begin to drop and rainfall increases. By mid-month, daytime temperatures are usually in the teens Celsius (60s F), but can dip into the single digits (40s F) at night. Rain falls more consistently, with showers occurring every few days. Lightning, thunder, and hail are also possible during these showers, adding a dramatic twist to the December weather.

The final week of December is generally the coldest. Temperatures are often below 10 Celsius (50 F) during the day, and can drop to near freezing at night. There is also a greater chance of snowfall at this time, though it is rare. That said, a white Christmas is not out of the realm of possibility!

No matter what December brings, Johannesburg residents can usually expect a few things. The sun will set early, the temperatures will be cooler, and the rain will be more frequent. The December weather in Johannesburg can be unpredictable, but it is certainly interesting!



The average temperature in Johannesburg in December is 20.6 degrees Celsius. The average high is 26.1 degrees Celsius and the average low is 15.1 degrees Celsius. December is the wettest month of the year in Johannesburg, with an average rainfall of 154.8 millimetres.

Austin Finnan

Austin Finnan is a blogger, traveler, and author of articles on the website He is known for his travels and adventures, which he shares with his readers on his blog. Finnan has always been passionate about exploring new places, which is reflected in his articles and photographs. He is also the author of several books about travel and adventure, which have received positive reviews from critics and readers.

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