Hermanus
December
Weather in Hermanus for December 2025
Your guide to Hermanus weather in December - trends and predictions
So far, December 2025 in Hermanus is slightly warmer than the historical average by 0.7 °C.
The forecast for the next days in Hermanus predicts temperatures to be around 22 °C, close to the historical average.
In general, the average temperature in Hermanus at the beginning of December is 20.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 22 °C by the end of December.
Hermanus experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 13.7 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
21°/17°
Temperatures
30 km/h
Avg max wind
72 %
Avg humidity
Hermanus Weather December
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Temperatures trend during December in Hermanus
See the weather trend as well as the moving average line
December weather in Hermanus day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Partly cloudy | 21° /15° | 0 mm | 8 | |
| 2 Dec. |  Patchy rain possible | 20° /16° | 0.1 mm | 8 | |
| 3 Dec. | Patchy rain possible | 21° /17° | 0.5 mm | 8 | |
| 4 Dec. |  Overcast | 22° /15° | 0 mm | 8 | |
| 5 Dec. | Patchy rain possible | 20° /17° | 0.5 mm | 8 | |
| 6 Dec. |  Light drizzle | 20° /16° | 0.5 mm | 8 | |
| 7 Dec. | Patchy rain possible | 21° /15° | 0 mm | 8 | |
| 8 Dec. |  Sunny | 21° /16° | 0 mm | 9 | |
| 9 Dec. | Sunny | 21° /16° | 0.3 mm | 9 | |
| 10 Dec. | Sunny | 23° /18° | 0 mm | 9 | |
| 11 Dec. | Patchy rain possible | 22° /17° | 0.1 mm | 8 | |
| 12 Dec. | Light rain shower | 20° /16° | 3 mm | 8 | |
| 13 Dec. | Patchy rain possible | 18° /16° | 1.9 mm | 7 | |
| 14 Dec. | Sunny | 20° /15° | 0 mm | 9 | |
| 15 Dec. | Sunny | 21° /17° | 0 mm | 3.4 | |
| 16 Dec. | Patchy rain possible | 23° /18° | 0.9 mm | 3.2 | |
| 17 Dec. | Patchy rain possible | 18° /16° | 2.3 mm | 2.5 | |
| 18 Dec. | Patchy rain possible | 19° /16° | 0.3 mm | 3.4 | |
| 19 Dec. | Sunny | 22° /15° | 0 mm | 8 | |
| 20 Dec. | Sunny | 24° /17° | 0 mm | 9 | |
| 21 Dec. | Sunny | 24° /18° | 0 mm | 9 | |
| 22 Dec. | Patchy rain possible | 23° /19° | 0.4 mm | 8 | |
| 23 Dec. | Patchy rain possible | 20° /18° | 0.4 mm | 7 | |
| 24 Dec. | Patchy rain possible | 22° /18° | 0.1 mm | 7 | |
| 25 Dec. | Sunny | 24° /17° | 0 mm | 9 | |
| 26 Dec. | Patchy rain possible | 21° /19° | 0.2 mm | 7 | |
| 27 Dec. | Patchy rain possible | 19° /17° | 1 mm | 7 | |
| 28 Dec. | Sunny | 24° /16° | 0 mm | 8 | |
| 29 Dec. | Sunny | 22° /19° | 0.1 mm | 9 | |
| 30 Dec. | Sunny | 24° /18° | 0.4 mm | 9 | |
| 31 Dec. | Patchy rain possible | 20° /18° | 0.4 mm | 8 | |
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Important Notice
Our weather forecast for Hermanus in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Hermanus forecast closer to your planned date for the most up-to-date weather information.
Change Month
Hermanus in December - FAQ
What are the expected maximum and minimum temperatures in Hermanus during December?
During December, expect a variety of temperatures with highs around 21° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hermanus during December?
Expect minimal rainfall in Hermanus during December, with a total of 13.7 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Hermanus during December?
The average wind speed in Hermanus during December is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Hermanus
Explore the daily rainfall trends and prepare for Hermanuss December weather 💧
Typically, Hermanus has 6 rainy days in December with a total of 13.7 mm of rainfall.
UV exposure in Hermanus during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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