While Praia da Marinha, in the Algarve, takes on its August peak of tourists under a sun that rarely fails, about 8,500 km away, on the other side of the equator, Robberg Beach, on South Africa's Garden Route, is living through the coldest week of its year. The two beaches share the same calendar window and almost nothing else: one is at the height of the European summer, the other deep in the southern winter — which is exactly why it becomes southern right whale season along that coast.
The Algarve is known as one of Europe's sunniest regions: annual sunshine hours range from about 2,600 in the Monchique mountains to over 3,100 on the south coast. That combination of dry heat and almost no rain defines a roughly five-to-six-month tourist season, with daytime temperatures staying above 25°C. July and August are the peak months, when the region's population can triple with seasonal residents and holidaymakers.
On the eastern Algarve coast, air temperatures hover around 29–30°C at the height of summer, and inland areas can exceed 40°C on the hottest days. The sea warms up more modestly: in August, the average water temperature is around 20.8°C, ranging between 16.8°C and 25°C — generally considered comfortable for swimming. It was during this peak season that, in 2018 alone, the region welcomed 4.2 million visitors and generated more than €1 billion in tourism revenue, figures that help explain why beaches like Praia da Marinha fill up with umbrellas, tour boats and queues for the cliff staircase early in the morning.
On South Africa's Garden Route, the same time of year falls in the southern winter. In Plettenberg Bay, right next to the Robberg peninsula, the average air temperature is around 18°C in July, against 24°C in January — a mild maritime climate with no sharply defined wet or dry season, and around 640mm of rain spread fairly evenly across the year. This is not towel-and-parasol beach weather; it's the season when southern right whales move close to the coast to mate and calve.
The whales arrive in Plettenberg Bay between July and December, the same window in which they appear in Algoa Bay; in False Bay they are seen mostly between July and October, and further west, in Hermanus, more than 100 individual whales have been identified in a single season. Right next to Plettenberg, Robberg Nature Reserve protects 42 km² of ocean and roughly 13 km of rocky and sandy coastline, including Robberg Beach, where a large Cape fur seal colony is typically visible in the surf near the tip of the peninsula.
Robberg Nature Reserve sits within the warm-temperate Agulhas ecoregion, home to an unusually high share of marine species found only in South Africa. Three sea turtle species — loggerhead, green and hawksbill — are annual visitors to its waters, while leatherback turtles turn up only occasionally. It's this same reserve, laced with clifftop trails overlooking the ocean, that doubles as a land-based whale-watching vantage point through the southern winter.
Travellers looking to escape the European summer crowds without giving up a coastal trip have a genuine alternative here, not just a calendar curiosity: trade the Algarve's busiest weeks for whale watching on the South African coast, where August isn't swimming season but is, verifiably, one of the best windows of the year to see a southern right whale and her calf just metres from the beach or the coastal trails of the Robberg peninsula. For those who still want sun and warm water, the compromise sits in the Algarve's shoulder months — May and September — when temperatures already top 25°C but beaches haven't yet hit the August peak. None of this is a one-off coincidence: it repeats every year, driven simply by the two coasts sitting on opposite sides of the equator, with their seasons permanently inverted.
It's not the recommended season: August falls within the southern winter, with average air temperatures around 18°C in July in the Plettenberg Bay area. It is, however, one of the best times of year to watch southern right whales from the coast.
Between July and December. The species moves close to the South African coast during the southern winter (roughly June to October) to mate and calve, with sightings extending into December in places like Plettenberg Bay and Algoa Bay.
Yes — July and August are the peak months of the Algarve's high season, when the region's population can triple with visitors and seasonal residents.
Picked by the editorial team.
