Whale watching at Hermanus
One of the best destinations in the world to spot whales is Hermanus in South Africa. Often the whales can be found off the coast between June and December. The peak is in September and November.
Hermanus Weather in December
Hermanus in December averages 23°C (73°F) during the day and 17°C (63°F) at night. Some rainfall is typical for this time of year.
Rainfall in Hermanus in December
Records from the past 30 years suggest around 6 days of rain, with 30 mm (1.2 in) average for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Hermanus in December
The temperature in Hermanus in December is excellent. Daytime highs reach 23°C (73°F), with nights dropping to 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Hermanus.
Hermanus Temperature in December
Min Temperature
17°C (63°F)
Max Temperature
23°C (73°F)
Chance of Rain
21%
Precipitation
30 mm (1.2 in)
Rainy days
6 days
Hermanus Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hermanus - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hermanus typically stay consistent throughout December, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows around 16°C (61°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Hermanus in December
Browse day-by-day weather records for Hermanus spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hermanus historical weather extremes in December
Our historical data for Hermanus spans 1976 to 2025, revealing these weather extremes.
- Hermanus recorded its highest December temperature of 35°C (95°F) on December 6, 2002.
- The lowest daytime temperature in December was 14°C (57°F), recorded on December 2, 1993.
- Nighttime temperatures dropped to 7°C (45°F) on December 7, 1982, marking the coldest December night on record.
Best Places in South Africa in December
Find out more about the weather in South Africa and which places have the best travel conditions in this month. See all of South Africa in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Hermanus in December
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket.
What To Do in Hermanus in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping10/10 -
Outdoor sports10/10
Hermanus 3-Day Forecast
More climate data for Hermanus
See the full Hermanus climate overview or explore weather in South Africa.
Popular in December
Where to go in December - average daytime high across popular destinations.
Pretoria
29°C (84°F) Stellenbosch26°C (79°F) Durban
27°C (81°F) Johannesburg
27°C (81°F) Hermanus
23°C (73°F) Cape Town24°C (75°F) Gqeberha23°C (73°F) Knysna23°C (73°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Whale watching at Hermanus
Visit Kruger Park in South Africa
Are you going to South Africa, then you cannot skip the Kruger Park. The Kruger Park is one of the most beautiful and largest safari parks in the world.
One of South Africa's most spectacular private game reserves
Sabi Sand Game Reserve is one of South Africa's most spectacular private game reserves. The chance that you see the entire Big Five is high in winter (June - August).
South Africa in November: Cape Town, Garden Route or East Coast?
Compare South Africa weather in November for Cape Town, Stellenbosch, Knysna, Durban and Johannesburg to find the driest and sunniest regions.