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.
Hermanus experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 13.7 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
21°/17°
Temperatures
30 km/h
Avg max wind
72 %
Avg humidity
Hermanus Weather December
Move between months or click on a day
Temperatures trend during December in Hermanus
See the weather trend as well as the moving average line
December weather in Hermanus day by day
Click on a date for more information
| 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 | |
| Next | |||||
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 💧
UV exposure in Hermanus during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Quick links
More Hermanus weather pages
You are here
Where is Hermanus?Get accurate weather forecasts for Hermanus, located at latitude -34.419 and longitude 19.234. Stay updated with localized weather information tailored for Hermanus.
Found a mistake?
We appreciate your attention to details. Tell us here.