Last updated: August 31, 2025
In Simon's Town, South Africa, December showcases a delightful blend of mild temperatures and moderate humidity. With maximum temperatures reaching 23°C (73°F) and an average of 18°C (65°F), visitors can expect pleasant weather for exploration. The minimum temperature of 15°C (59°F) adds a crispness to the evenings. This month experiences about 28 mm (1.1 in) of rainfall over 6 days, contributing to the lush greenery of the region. The humidity sits at a comfortable 77%, making December an ideal time to enjoy the stunning coastal scenery and vibrant local culture.
In Simon's Town, South Africa, December marks a delightful transition into summer, boasting pleasant temperatures that invite both locals and tourists alike to relish the outdoors. With minimums around 15°C (59°F) and averages hovering at 18°C (65°F), the climate is refreshingly mild, perfect for exploring this charming coastal town. As the days progress, the maximums reach up to 23°C (73°F), providing ample warmth without becoming overwhelming. December's temperatures reflect a broader trend of increasing warmth throughout the southern hemisphere's summer months, enhancing the vibrant atmosphere that draws visitors to enjoy everything from beach outings to scenic hikes, all under the radiant South African sun.
December in Simon's Town, South Africa, marks a gentle transition as the year nears its end, with precipitation averaging 28 mm (1.1 in) spread across about 6 days. This slight uptick in rainfall signals a shift from the drier months of spring, as the region prepares for the wetter summer ahead. Compared to the preceding months, where November recorded 35 mm over 5 days, December's rainfall is moderate yet consistent, indicating a gradual increase as the rainy season approaches. The overall trend in Simon's Town shows a progressive rise in precipitation from the earlier months, culminating in the heavier rains of late summer, fostering a lush, vibrant environment in the coastal landscape.
December in Simon's Town, South Africa, welcomes a humidity level of 77%, maintaining a consistent trend observed throughout the year. As the year progresses from January's higher humidity of 77% to November's dip to 75%, December sees a slight rebound. The overall pattern reflects a relatively stable humidity range, oscillating between 75% and 81%, suggesting that the coastal environment remains consistently moist. This stability not only enhances the lovely summer atmosphere in December but also contributes to the vibrant ecosystems that thrive in this picturesque coastal town.
In December, Simon's Town experiences one of its highest UV Index levels of the year, peaking at 14, which falls into the extreme exposure category—a reminder of the summer sun's intensity. With a quick burn time of just 10 minutes, it’s crucial for locals and visitors alike to take precautions against UV radiation. This trend of high UV levels persists from previous months, highlighting an overall increase as the year transitions toward summer. Following November's UV Index of 12, December maintains this trend, signaling a time when protective measures are more essential than ever. For more detailed insights on the UV Index throughout the year, visit Simon's Town UV Index.
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In Simon's Town, December shines as a beacon of sunshine, boasting an impressive 421 hours of radiant daylight. This increase in sunlight marks a distinct contrast to the earlier months of the year, with sunshine hours gradually building up from just 264 in June to the festive peak of December. The trend clearly illustrates a delightful transition from the cooler winter months, as the days lengthen and warmth returns to this charming coastal town. Following a series of shorter days from May to August, the sunshine hours rebound significantly in the spring, culminating in not only a vibrant holiday spirit but also ideal conditions for exploring the stunning beaches and scenic views that Simon's Town is known for. As we move towards the end of the year, the growing hours of daylight invite both locals and visitors to embrace the beauty and warmth of this South African gem.
In December, Simon's Town, South Africa, enjoys a 59% chance of sunny weather, marking a notable increase compared to the preceding months. This uptick indicates a shift towards more favorable conditions, especially as the region transitions from spring into summer. While the sunny likelihood lingers around the mid-50s in the preceding months, December presents a brighter outlook, aligning more closely with the sunniest months of January and February, which boast 78% and 77% chances of sunshine, respectively. As the holiday season approaches, visitors can expect a delightful blend of warmth and sunshine, perfect for outdoor adventures and enjoying the stunning coastal views.
In Simon's Town, South Africa, December marks a delightful return to 14 hours of daylight, tying with January for the longest days of the year. The transition from the shorter daylight hours of the earlier months is a clear trend, as the region gradually wakes up from the cold grip of winter to welcome the warmth of summer. From a peak of 14 hours in December, the days steadily shorten, dipping to 9 hours in June before gradually increasing again. This rhythmic ebb and flow of daylight not only highlights the seasonal shifts but also enhances the vibrant outdoor lifestyle that the area is known for, making December a particularly enchanting time for exploration and enjoyment.
As December unfolds in Simon's Town, South Africa, the sea breezes start to strengthen, bringing an average wind speed of 7.7 m/s (17 mph)—a hallmark of summer's arrival. This uptick mirrors the trend seen earlier in the year, where monthly averages hovered around 7.5 m/s in February and dipped slightly in the cooler months, notably hitting a low of 5.0 m/s (11 mph) in May. By December, the winds not only pick up speed but also herald the vibrant coastal life that thrives during the warm summer season. With a consistent post-winter rise and December standing out at the year's peak, these winds invigorate both the landscape and the spirit of those who call this picturesque harbor town home.
Weather in Simon's Town varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Simon's Town, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather in Simon's Town features a minimum temperature of 15°C (59°F) and an average of 18°C (65°F), peaking at a maximum of 23°C (73°F). The month typically experiences 28 mm (1.1 in) of precipitation over 6 days, with humidity levels at 77%. In contrast, January sees slightly warmer conditions with a minimum of 16°C (61°F) and an average of 19°C (67°F), while the maximum remains consistent at 23°C (74°F). Notably, January has less precipitation, totaling only 14 mm (0.6 in) over a mere 2 days, with humidity levels remaining the same at 77%. For a detailed look at January weather, visit Simon's Town weather in January.
In December, the weather in Simon's Town features mild temperatures, with a minimum of 15°C (59°F), an average of 18°C (65°F), and a maximum of 23°C (73°F). This month also sees a moderate level of precipitation, totaling 28 mm (1.1 in) spread over 6 days, alongside a humidity level of 77%.
In contrast, February experiences slightly warmer conditions with a minimum temperature of 16°C (61°F), an average of 19°C (67°F), and a maximum of 24°C (75°F). Notably, February is drier, receiving just 11 mm (0.4 in) of rain over only 2 days, and the humidity rises slightly to 80%. For a more detailed overview of February's climate, you can check Simon's Town weather in February.
In December, the weather is generally mild, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 23°C (73°F) and an average of 18°C (65°F). The month experiences about 28 mm (1.1 in) of precipitation over six days, with humidity levels at 77%. In contrast, March sees slightly warmer temperatures, with a minimum of 14°C (58°F) and a maximum of 24°C (75°F), while maintaining the same average of 18°C (65°F). The precipitation increases slightly to 29 mm (1.2 in) but occurs over fewer days, just four, and the humidity rises to 81%. For more specific information on the weather in March, you can visit Simon's Town weather in March.
In December, the weather in Simon's Town typically features warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 23°C (73°F). The average temperature is around 18°C (65°F), accompanied by a humidity level of 77%. Precipitation occurs over six days, totaling about 28 mm (1.1 in).
In contrast, April experiences slightly cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 27°C (81°F), while the average temperature drops to 17°C (63°F). Despite having a slightly higher total precipitation of 32 mm (1.3 in) over just five days, the humidity rises modestly to 80%. This comparison highlights the transition from the warmer, more humid conditions of December to the pleasantly mild and slightly wetter climate of April. For more detailed insights, check out Simon's Town weather in April.
In December, the weather in Simon's Town is typically warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 23°C (73°F) and an average of 18°C (65°F). Precipitation is relatively low at 28 mm (1.1 in) over about 6 days, and humidity is about 77%. In contrast, May experiences cooler temperatures, with a minimum of 11°C (52°F), an average of 16°C (61°F), and a maximum of 21°C (71°F). Rainfall increases significantly to 74 mm (2.9 in) over 8 days, while humidity rises slightly to 78%. For more details, visit Simon's Town weather in May.
In December, the weather tends to be warmer with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), accompanied by an average temperature of 18°C (65°F). The month experiences relatively low precipitation of 28 mm (1.1 in) over 6 days and a humidity level of 77%. In contrast, June brings cooler temperatures, with a minimum of 10°C (51°F), an average of 15°C (60°F), and a maximum of 21°C (70°F). Precipitation is significantly higher in June, totaling 109 mm (4.3 in) over 11 days, with humidity slightly increasing to 79%. For a closer look at the June weather specifics, visit Simon's Town weather in June.
In December, the weather is generally warmer and more pleasant, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 23°C (73°F) and an average of 18°C (65°F). There is less precipitation, totaling 28 mm (1.1 in) over about 6 days, and humidity hovers around 77%. In contrast, July experiences cooler temperatures with a minimum of 10°C (50°F) and a maximum of 21°C (70°F), averaging 14°C (58°F). The month is wetter, receiving 95 mm (3.7 in) of rain across approximately 10 days, while humidity levels rise slightly to 80%. For a more detailed comparison of the weather during July, you can check Simon's Town weather in July.
When comparing the weather in December and August, December boasts warmer temperatures, with a range from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), while August experiences cooler conditions, seeing lows of 9°C (48°F) and highs of 22°C (71°F). Additionally, December has significantly lower precipitation, with only 28 mm (1.1 in) over about 6 days, in contrast to August, which receives 82 mm (3.2 in) over 12 days, making it a wetter month. Both months share similar humidity levels at 77%, but the overall weather in December is more favorable for outdoor activities. For an in-depth look at August weather, visit Simon's Town weather in August.
In comparing the weather of December and September, December typically boasts a warmer average temperature, ranging from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), while September's temperatures are slightly cooler, with a minimum of 10°C (51°F) and a maximum of 24°C (75°F). Interestingly, while September enjoys a higher maximum temperature, it has a lower average of 15°C (59°F) compared to December's average of 18°C (65°F). Precipitation is also higher in September, with 50 mm (2.0 in) falling over 9 days, compared to December's 28 mm (1.1 in) spread across just 6 days. Humidity levels remain similar, with December at 77% and September at 76%. For more detailed insights, you can check Simon's Town weather in September.
In comparing the weather between December and October, December generally boasts warmer temperatures, with an average of 18°C (65°F) compared to October's cooler 16°C (61°F). While both months experience similar humidity levels at 77%, December tends to be slightly drier with only 28 mm (1.1 in) of precipitation, while October sees a higher rainfall of 46 mm (1.8 in). Despite having the same number of rainy days at six, December's milder climate makes it a more pleasant time for outdoor activities. For a detailed look at the October conditions, you can check Simon's Town weather in October.
In comparing the weather of December and November, December tends to be slightly warmer, with average temperatures reaching 18°C (65°F) compared to November's 17°C (63°F). Moreover, the minimum temperature in December is higher at 15°C (59°F), while November's minimum is 11°C (53°F). Although December experiences a slightly lower total precipitation of 28 mm (1.1 in) over 6 days, compared to November's 35 mm (1.4 in) over 5 days, the humidity remains relatively high in both months, with December at 77% and November at 75%. For a closer look at November's climate specifics, you can visit Simon's Town weather in November.
As December unfolds in Simon's Town, the weather offers a delightful shift from the cooler months, presenting a mild and inviting climate ideal for outdoor activities. With temperatures reaching a pleasant maximum of 23°C (73°F) and an average comfortably hovering around 18°C (65°F), the conditions are perfect for exploring the picturesque landscapes. While December does see about six days of rain, the total precipitation remains manageable, making it an excellent time to experience the beauty of this coastal gem. The increased humidity at 77% adds to the tropical feel, differentiating it from the drier, cooler months that precede it. For more detailed insights into the weather patterns throughout the year, check out Simon's Town Climate.