Hermanus
December
Weather in Hermanus for December 2025
Your guide to Hermanus weather in December - trends and predictions
In general, the average temperature in Hermanus at the beginning of December is 19.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.1 °C by the end of December.
The climate of Hermanus in December is notably wet, with an average of 12 rainy days, and a total of 13.7 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
21°/17°
Temperatures
30 km/h
Avg max wind
73 %
Avg humidity
Hermanus Weather December
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  19° | 3 19° | 4  19° | 5 19° | 6  20° | 7 20° |
| 8  20° | 9 21° | 10 22° | 11 20° | 12 19° | 13 18° | 14 20° |
| 15 20° | 16 17° | 17 19° | 18 19° | 19 22° | 20 20° | 21 20° |
| 22 21° | 23 19° | 24 23° | 25 26° | 26 26° | 27 21° | 28 23° |
| 29 22° | 30 24° | 31 20° |
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Temperatures trend during December in Hermanus
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Partly cloudy | 19° /15° | 0 mm | 8 | |
| 2 Dec. | Patchy rain possible | 19° /16° | 0.1 mm | 7 | |
| 3 Dec. | Patchy rain possible | 19° /17° | 1.1 mm | 7 | |
| 4 Dec. | Overcast | 19° /16° | 0 mm | 7 | |
| 5 Dec. | Patchy rain possible | 19° /17° | 0.6 mm | 7 | |
| 6 Dec. | Light drizzle | 20° /16° | 0.9 mm | 8 | |
| 7 Dec. | Patchy rain possible | 20° /16° | 0 mm | 8 | |
| 8 Dec. | Sunny | 20° /16° | 0 mm | 9 | |
| 9 Dec. | Sunny | 21° /15° | 0 mm | 9 | |
| 10 Dec. | Sunny | 22° /18° | 0 mm | 9 | |
| 11 Dec. | Patchy rain possible | 20° /18° | 0.2 mm | 8 | |
| 12 Dec. | Light rain shower | 19° /17° | 1.4 mm | 7 | |
| 13 Dec. | Patchy rain possible | 18° /16° | 2.3 mm | 7 | |
| 14 Dec. | Sunny | 20° /15° | 0 mm | 9 | |
| 15 Dec. | Light rain shower | 20° /15° | 2.8 mm | 8 | |
| 16 Dec. | Patchy rain possible | 17° /14° | 0.2 mm | 7 | |
| 17 Dec. | Patchy rain possible | 19° /16° | 0.6 mm | 7 | |
| 18 Dec. | Partly cloudy | 19° /16° | 0 mm | 8 | |
| 19 Dec. | Sunny | 22° /15° | 0 mm | 9 | |
| 20 Dec. | Patchy rain possible | 20° /17° | 0.3 mm | 8 | |
| 21 Dec. | Patchy rain possible | 20° /18° | 0 mm | 8 | |
| 22 Dec. | Partly cloudy | 21° /17° | 0 mm | 9 | |
| 23 Dec. | Patchy rain possible | 19° /17° | 0.3 mm | 7 | |
| 24 Dec. | Patchy rain possible | 23° /16° | 0.1 mm | 8 | |
| 25 Dec. | Sunny | 26° /18° | 0 mm | 10 | |
| 26 Dec. | Partly cloudy | 26° /20° | 0.1 mm | 10 | |
| 27 Dec. | Light rain shower | 21° /19° | 1.6 mm | 8 | |
| 28 Dec. | Partly cloudy | 23° /18° | 0 mm | 9 | |
| 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.
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 12 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 💧
UV exposure in Hermanus during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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