Monthly climate guide
Hermanus weather in December
With highs near 24°C (76°F) and lows around 16°C (61°F), December feels warm in Hermanus. Rainfall averages about 16 mm (very dry) and the sky is a mix of sun and cloud. Daytime highs are 2°C warmer than November and about the same as January.
What stands out in December
- December is Hermanus's third warmest month.
- It's one of the drier months, with about 62% less rain than Hermanus's average.
- In Hermanus, December is early summer — the seasons are reversed south of the equator.
- Hermanus is usually about 4°C warmer than Cape Town, 90 km away, in December.
It's usually the driest month of the year.
Avg high
24°C
76°F
Avg low
16°C
61°F
Rainfall
16 mm
very dry
Humidity
71%
relative
Sky
36%
cloud · a mix of sun and cloud
Hermanus weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 26°C / 78°F | 18°C / 64°F | 32 mm | 71% | 34% |
| February | 26°C / 78°F | 17°C / 63°F | 23 mm | 72% | 31% |
| March | 24°C / 75°F | 16°C / 61°F | 40 mm | 75% | 37% |
| April | 22°C / 72°F | 14°C / 57°F | 32 mm | 75% | 35% |
| May | 20°C / 67°F | 13°C / 55°F | 35 mm | 78% | 41% |
| June | 17°C / 63°F | 11°C / 51°F | 81 mm | 78% | 42% |
| July | 17°C / 62°F | 10°C / 50°F | 66 mm | 80% | 38% |
| August | 17°C / 62°F | 10°C / 50°F | 66 mm | 80% | 40% |
| September | 18°C / 65°F | 11°C / 52°F | 42 mm | 77% | 42% |
| October | 21°C / 69°F | 13°C / 55°F | 43 mm | 75% | 41% |
| November | 22°C / 72°F | 14°C / 57°F | 36 mm | 72% | 41% |
| December | 24°C / 76°F | 16°C / 61°F | 16 mm | 71% | 36% |
What to pack for December
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- Sunglasses
Is December a good time to visit Hermanus?
Compare the months in the chart above to find your ideal window.
Best time to visit Hermanus →Other South Africa cities in December
Cite or embed this data
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Hermanus weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/south-africa/hermanus/december
<a href="https://weathercompare.eu/weather/south-africa/hermanus/december">Hermanus weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/south-africa/hermanus" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Hermanus weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/south-africa/hermanus/december">Hermanus weather in December</a> – WeatherCompare</p>
Hermanus in December: quick answers
Is December a good time to visit Hermanus?
Yes. December is one of the best months for Hermanus, with highs around 24°C and about 16 mm of rain.
How warm is Hermanus in December?
Average highs are about 24°C (76°F) and average lows about 16°C (61°F), based on 10 years of daily data.
Does it rain a lot in Hermanus in December?
Hermanus typically gets around 16 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 Hermanus (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.