Last updated: August 31, 2025
Discover the delightful weather of Mossel Bay, South Africa in December! This coastal gem experiences maximum temperatures reaching 25°C (77°F), providing ideal conditions for outdoor adventures. The average temperature sits comfortably at 19°C (67°F), while nights stay mild with a minimum of 15°C (59°F). Although the region sees some precipitation—about 33 mm (1.3 in) over 7 days—the high humidity at 79% enhances the lush scenery and vibrant coastal life, making it a perfect time to explore the breathtaking landscapes. Embrace the charm of December in Mossel Bay!
In Mossel Bay, South Africa, December ushers in the peak of summer with inviting temperatures ideal for outdoor exploration. As the month unfolds, daytime highs reach a pleasant 25°C (77°F), complemented by lows around 15°C (59°F) that create mild evenings perfect for social gatherings. The average temperature settles at 19°C (67°F), reflecting a gradual warming trend from the cooler months prior. Compared to the earlier parts of the year, this harmonious climate fosters an array of beach activities and scenic adventures, making December a favorite time for both locals and visitors to revel in the natural beauty and vibrant atmosphere of this coastal gem.
December in Mossel Bay sees an average precipitation of 33 mm (1.3 in) over the course of approximately seven days, marking a slight decrease from the wetter months preceding it. This underscores a trend of reduced rainfall as summer approaches, contrasting with the heavier downpours characteristic of the late spring months like November, which recorded 51 mm (2.0 in). As the year winds down, the landscape remains lush, yet the gentler rains of December signal a gradual shift towards drier weather, paving the way for the sunniest days of summer that lie ahead.
In Mossel Bay, South Africa, December experiences a humidity level of 79%, slightly elevated compared to the previous month. This trend reflects a consistent pattern throughout the year, where humidity levels tend to peak during the summer months. From January's 79% to March's peak at 83%, the humid climate creates a tropical atmosphere that gradually tapers off as the year progresses. The months of June to August see a dip, with humidity levels dropping to 76%-78%, showcasing a drier winter season. As the year closes, the humidity slightly rises again in November and stabilizes in December, hinting at the return of warmer, more humid conditions typical of summer, which fosters a lush coastal environment.
In December, Mossel Bay experiences an intense UV Index of 14, categorizing it as extreme with a quick burn time of just 10 minutes. This reflects a consistent trend seen throughout the summer months, where UV levels soar, peaking in January and February. As the year progresses into the autumn and winter months, the UV Index gradually declines, reaching lower moderate levels in June and July. However, stepping back into December, residents and visitors should remain vigilant against sun exposure, as this month not only matches January's extreme levels but also serves as a reminder of the powerful South African sun. For more insights on UV exposure during the year, check out the Mossel Bay UV Index.
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In Mossel Bay, South Africa, December stands out as a radiant highlight in the year, basking in an impressive 414 hours of sunshine. This peak in daylight hours marks a significant increase, reflecting the warm embrace of summer as the year draws to a close. Following a steady rise from January’s 329 hours, sunshine accumulates steadily, peaking in December, which showcases a remarkable trend of increasing warmth and brightness through the latter half of the year. The golden glow of December sunshine serves as a delightful contrast to the cooler, cloudier months of June and July, which hover around 275 to 293 hours. The overall trajectory beautifully underscores Mossel Bay's allure as an idyllic summer destination, making it an irresistible retreat for sun-seekers eager to bask in the South African summer.
In Mossel Bay, December's prospects for sunny weather stand at 42%, marking it as the month with one of the lowest chances of sunshine compared to the rest of the year. This trend shows a noticeable downturn as the summer months approach, following the higher probabilities seen in the peak months of January and February, which boast 62% and 66% chances respectively. Interestingly, while June and July exhibit a robust 69% likelihood of sun, the late spring and early summer months of November and December witness a significant decline. Overall, while Mossel Bay offers some sunny days in December, the statistical dip suggests that potential visitors should be prepared for cooler, cloudier weather as the year winds down.
In Mossel Bay, South Africa, December heralds the peak of summer, showcasing an impressive 14 hours of daylight. This vibrant month contrasts with the shorter days of winter, where daylight dips to a minimum of 9 hours in June. As the year progresses from winter to summer, daylight gradually increases, starting from 10 hours in May, surging to 12 hours by October, and hitting its zenith again in December. The consistent rise in daylight during the warmer months creates a vibrant atmosphere, making December an ideal time for outdoor adventures and celebrations under the sun. With daylight hours reflecting the rhythm of the seasons, Mossel Bay offers a captivating glimpse of nature's cycle.
As December arrives in Mossel Bay, South Africa, the coastal winds begin their gentle dance, averaging 5.3 m/s (12 mph), similar to the slightly brisk conditions experienced in October. Throughout the year, average wind speeds display a nuanced but steady rhythm, dipping to their lowest in April at 3.7 m/s (8 mph) before gradually picking up again. The winter months of June and July maintain a consistent 4.4 m/s (10 mph), providing a refreshing breeze that many locals and visitors cherish. As the days grow warmer towards the end of the year, the wind remains a constant companion, creating an invigorating atmosphere for outdoor activities and coastal adventures alike.
Weather in Mossel Bay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mossel Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is generally mild with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 25°C (77°F) and an average of 19°C (67°F). The month sees a total precipitation of 33 mm (1.3 in) over about 7 days, along with a consistent humidity level of 79%. As January arrives, temperatures rise slightly, with a minimum of 17°C (63°F), an average of 21°C (69°F), and a maximum of 26°C (80°F). However, precipitation also increases to 46 mm (1.8 in) across 8 days, while humidity remains steady at 79%. For a detailed look at January weather specifics, check out Mossel Bay weather in January.
In December, temperatures in Mossel Bay range from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), with an average of 19°C (67°F). The month experiences 33 mm (1.3 in) of precipitation over about 7 days, with humidity levels at 79%. In contrast, February sees slightly warmer conditions, with minimum temperatures of 16°C (60°F), average temperatures of 21°C (70°F), and maximums reaching 29°C (84°F). Precipitation decreases slightly to 30 mm (1.2 in) across 8 days, accompanied by a marginal increase in humidity to 82%. For more specific details about February's weather, visit Mossel Bay weather in February.
In December, the weather in Mossel Bay is generally warm with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), and an average of 19°C (67°F). The month experiences a total precipitation of 33 mm (1.3 in) over about 7 days, with humidity levels around 79%.
In contrast, March sees slightly warmer temperatures, starting at a minimum of 16°C (61°F) and reaching up to 27°C (80°F), with an average temperature of 20°C (68°F). However, it also has increased precipitation, totaling 44 mm (1.7 in) over 8 days and a higher humidity of 83%. For more details on the weather in March, you can check Mossel Bay weather in March.
In December, the weather is generally warmer with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), averaging around 19°C (67°F). The month sees about 33 mm (1.3 in) of precipitation over approximately 7 days, along with a humidity level of 79%. In contrast, April experiences slightly cooler temperatures, with minimums around 13°C (56°F) and maximums reaching 28°C (83°F), averaging 18°C (65°F). April's precipitation is lower at 22 mm (0.8 in) over 6 days, accompanied by a slightly higher humidity of 82%. For detailed insights into April’s weather, you can visit Mossel Bay weather in April.
In December, the weather tends to be warmer with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), averaging around 19°C (67°F). Precipitation is relatively low at 33 mm (1.3 in) over about 7 days, and the humidity is fairly high at 79%. In contrast, May experiences slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 27°C (80°F), averaging 17°C (63°F). Rainfall is somewhat higher at 43 mm (1.7 in) over just 5 days, while humidity remains similar at 78%. For more detailed weather insights, you can visit Mossel Bay weather in May.
In December, the weather is typically warmer with temperatures ranging from a minimum of 15°C (59°F) to an average of 19°C (67°F) and a maximum of 25°C (77°F). The month experiences moderate rainfall, totaling 33 mm (1.3 in) over about 7 days, and boasts a relatively high humidity level of 79%. In contrast, June brings cooler temperatures, with a minimum of 10°C (51°F) and an average of 16°C (61°F), while still peaking at 25°C (77°F). Rainfall is slightly less in June, measuring 24 mm (1.0 in) over 6 days, and humidity is marginally lower at 77%. For more specific June weather details, visit Mossel Bay weather in June.
When comparing the weather in December and July, both months experience similar maximum temperatures, peaking at 25°C (77°F). However, December boasts a warmer average of 19°C (67°F), compared to July's cooler average of 15°C (60°F). The minimum temperature in December is notably higher at 15°C (59°F), while July dips to 9°C (49°F). Both months see similar precipitation levels, with December receiving 33 mm (1.3 in) over approximately 7 days and July also at 33 mm but with slightly fewer rainy days at 6. Humidity levels remain relatively consistent, with December at 79% and July at 78%. For a more detailed view of July weather in the area, you can check out this link: Mossel Bay weather in July.
When comparing the weather in December and August, we can see some notable differences. December boasts a warmer average temperature of 19°C (67°F), with a maximum of 25°C (77°F) and a higher humidity level of 79%. In contrast, August has a cooler average of 15°C (59°F), with the same maximum temperature of 25°C (78°F), but a significantly lower minimum temperature of 9°C (48°F). Additionally, August experiences slightly more rainfall, with 51 mm (2.0 in) over 9 days, compared to December's 33 mm (1.3 in) over 7 days. For more insights on the weather during this month, you can visit Mossel Bay weather in August.
When comparing the weather in December and September, we see notable differences in temperature and precipitation patterns. December boasts milder temperatures with a minimum of 15°C (59°F) and an average of 19°C (67°F), peaking at a maximum of 25°C (77°F). In contrast, September experiences cooler conditions, with a minimum of 10°C (51°F) and a higher average maximum of 31°C (88°F). Additionally, September receives more rainfall, totaling 49 mm (1.9 in) over 7 days, compared to December's 33 mm (1.3 in). Humidity levels are relatively similar, with December at 79% and September at 77%. For more detailed insights, visit Mossel Bay weather in September.
In comparing December and October weather, December tends to be slightly warmer with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), while October experiences a slightly lower range with a minimum of 12°C (53°F) and a maximum of 30°C (86°F). The average temperature in December is around 19°C (67°F), compared to October's average of 17°C (62°F). However, October receives more precipitation at 47 mm (1.9 in) over 8 days, compared to December's 33 mm (1.3 in) over 7 days; both months maintain a high humidity level of 79%. For a more detailed look at October's weather, you can refer to Mossel Bay weather in October.
December weather is slightly warmer than November, with average temperatures reaching 19°C (67°F) compared to November's 18°C (64°F). While December boasts a minimum temperature of 15°C (59°F), November starts a bit cooler at 12°C (55°F). Precipitation decreases in December to 33 mm (1.3 in) over 7 days, compared to November's 51 mm (2.0 in) over 8 days, indicating a drier month. Humidity remains relatively consistent, with December at 79% and November at 77%. For more details, check out Mossel Bay weather in November.
December in Mossel Bay marks the transition into summer, characterized by warmer temperatures and an inviting atmosphere. With pleasant highs averaging around 25°C (77°F) and a comfortable low of 15°C (59°F), the weather is perfect for outdoor adventures and beach outings. While humidity hovers at a relatively high 79%, it adds to the tropical feel rather than causing discomfort. Unlike the wetter months, December sees significantly lower precipitation, with only about 33 mm (1.3 in) over a handful of days, providing ample opportunity for sunshine and leisure activities. This delightful shift in climate makes December an ideal time to soak in the beauty of Mossel Bay. For more detailed insights on the area's weather patterns, visit Mossel Bay Climate.