Monthly climate guide
Mossel Bay weather in December
Expect hot weather in Mossel Bay in December: afternoons reach about 28°C (83°F), while nights drop to around 16°C (60°F). Around 17 mm of rain falls over the month (very dry), and skies are a mix of sun and cloud. Daytime highs are 3°C warmer than November and about the same as January.
What stands out in December
- Only 2 months are warmer in Mossel Bay than December.
- Rain is well below Mossel Bay's usual level (around 52% less).
- December brings early summer to Mossel Bay — the seasons are reversed south of the equator.
- Afternoons and nights feel like different seasons, roughly 13°C apart.
It's usually the driest month of the year.
Avg high
28°C
83°F
Avg low
16°C
60°F
Rainfall
17 mm
very dry
Humidity
64%
relative
Sky
46%
cloud · a mix of sun and cloud
Mossel Bay weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 29°C / 85°F | 17°C / 63°F | 40 mm | 65% | 47% |
| February | 29°C / 85°F | 17°C / 62°F | 31 mm | 67% | 43% |
| March | 28°C / 82°F | 16°C / 60°F | 40 mm | 69% | 47% |
| April | 25°C / 77°F | 13°C / 55°F | 29 mm | 67% | 44% |
| May | 23°C / 73°F | 11°C / 52°F | 27 mm | 68% | 49% |
| June | 19°C / 67°F | 8°C / 47°F | 42 mm | 68% | 46% |
| July | 19°C / 66°F | 8°C / 46°F | 40 mm | 70% | 44% |
| August | 20°C / 67°F | 8°C / 47°F | 42 mm | 70% | 46% |
| September | 22°C / 71°F | 10°C / 49°F | 33 mm | 69% | 48% |
| October | 24°C / 75°F | 12°C / 54°F | 40 mm | 67% | 51% |
| November | 25°C / 78°F | 13°C / 56°F | 44 mm | 65% | 49% |
| December | 28°C / 83°F | 16°C / 60°F | 17 mm | 64% | 46% |
What to pack for December
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
Is December a good time to visit Mossel Bay?
Compare the months in the chart above to find your ideal window.
Best time to visit Mossel Bay →Other South Africa cities in December
Cite or embed this data
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Mossel Bay weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/south-africa/mossel-bay/december
<a href="https://weathercompare.eu/weather/south-africa/mossel-bay/december">Mossel Bay weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/south-africa/mossel-bay" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Mossel Bay weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/south-africa/mossel-bay/december">Mossel Bay weather in December</a> – WeatherCompare</p>
Mossel Bay in December: quick answers
Is December a good time to visit Mossel Bay?
December is a reasonable time for Mossel Bay: highs around 28°C and about 17 mm of rain, though not one of the three best months.
How warm is Mossel Bay in December?
Average highs are about 28°C (83°F) and average lows about 16°C (60°F), based on 10 years of daily data.
Does it rain a lot in Mossel Bay in December?
Mossel Bay typically gets around 17 mm of rain in December — very dry. It's usually the driest month of the year.
Figures are long-term averages for the area around Mossel Bay (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.