Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Mossel Bay is from February, April, May. — consistent weather climate
🌥Mild
| Score | 82 | 86 | 83 | 88 | 88 | 86 | 79 | 80 | 84 | 81 | 85 | 81 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Pleasant | Pleasant | Pleasant | Mild | Mild | Mild | Mild | Mild | Mild | Mild | Pleasant | Pleasant |
| Temperature | 18–24°C | 18–25°C | 17–24°C | 14–21°C | 11–20°C | 11–20°C | 8–18°C | 9–19°C | 11–19°C | 13–20°C | 15–22°C | 17–23°C |
| Feels like | 19–26°C | 18–25°C | 17–24°C | 13–20°C | 10–19°C | 8–17°C | 6–15°C | 6–16°C | 9–17°C | 12–20°C | 14–22°C | 16–24°C |
| Precipitation | 44mm 11 days | 29mm 8 days | 55mm 9 days | 35mm 7 days | 51mm 6 days | 37mm 6 days | 21mm 5 days | 24mm 5 days | 32mm 6 days | 60mm 10 days | 37mm 8 days | 54mm 11 days |
| Sunshine | 11.1h ☀︎ 79% | 11.3h ☀︎ 85% | 10.0h ☀︎ 81% | 9.3h ☀︎ 83% | 8.5h ☀︎ 82% | 7.7h ☀︎ 78% | 8.5h ☀︎ 84% | 9.6h ☀︎ 89% | 9.7h ☀︎ 82% | 10.5h ☀︎ 81% | 11.4h ☀︎ 82% | 11.4h ☀︎ 79% |
| Wind | SE · 25 km/h | SE · 24 km/h | S · 24 km/h | S · 20 km/h | W · 19 km/h | NW · 22 km/h | NW · 22 km/h | W · 24 km/h | S · 25 km/h | SE · 25 km/h | S · 25 km/h | SE · 25 km/h |
| Humidity (%) | 76% | 75% | 77% | 77% | 74% | 68% | 68% | 67% | 70% | 75% | 72% | 73% |
| Day length | 14.1h | 13.3h | 12.3h | 11.2h | 10.3h | 9.9h | 10.1h | 10.9h | 11.9h | 13.0h | 13.9h | 14.4h |
While high summer draws the biggest influx of travelers, Mossel Bay reaches its absolute climatic peak in the quiet calm of autumn, when the winds drop and the ocean remains invitingly mild.
Anchored midway between Cape Town and Gqeberha, Mossel Bay marks the official western threshold of South Africa’s Garden Route. The town curls around the north-facing crook of the Cape St Blaize Peninsula, shielded from the prevailing ocean swell that batters much of the southern coast. To travelers skimming past on the national highway, it can appear as a practical working harbour defined by maritime commerce and industrial history. Step down onto the waterfront, however, and you find an extraordinary amphitheatre of sun-baked sandstone cliffs, sweeping bay views, and a coastline blessed with one of the most moderate and dependable microclimates on the continent.
If you ask anyone who lives on the Cape St Blaize Peninsula when the bay is at its finest, they will point without hesitation to autumn. April and May bring Mossel Bay’s highest climatic marks of the entire year, yet the town experiences none of the high-summer traffic. The strong southeasterly winds that sweep across the bay through the height of summer suddenly relent, leaving the waters of Santos Beach as still and polished as glass.
Air temperatures settle into a daytime rhythm around twenty degrees, but with the north-facing topography trapping radiant sunshine, the afternoons feel considerably warmer. The Indian Ocean retains the heat accumulated over summer, making a swim at Diaz Beach or a rock-pool paddle along The Point far more comfortable than during the blowy midsummer afternoons. Rain arrives in gentle, brief showers that clear quickly into crisp, luminous skies.
Walking the cliffside path out toward Cape St Blaize in May reveals the coastline at its most intimate. The trails are vacant, fishing lines dangle undisturbed off the rocks, and the sun drops behind the Outeniqua range in deep washes of copper and rose. It is a rare period where ideal weather and true local tranquility overlap completely.
January through March is the bay’s primary seaside season, culminating in February when the town swells to capacity. Daytime highs sit around twenty-five degrees, with apparent temperatures matching the mercury and eleven hours of radiant sunshine warming the beaches daily. When the air is still, there is no finer place along the southern coast to swim, surf, or linger on the sands of Santos Beach.
However, February’s popularity means you share the bay with everyone. The waterfront promenade fills up, parking near The Point becomes an exercise in patience, and accommodation reservations require planning far in advance. The summer trade winds also make their presence felt, occasionally kicking up stiff breezes in the early afternoons that whip spray across the open sands.
By March, the peak frenzy begins to recede. The days remain long and golden, with temperatures holding steady in the mid-twenties, though the rainfall ticks slightly upward toward the end of the month. It serves as an easy, breezy shoulder window for travelers who still want proper beach warmth without the dense February crowds.
Winter along the Garden Route has a reputation for gray sogginess, but Mossel Bay largely defies that narrative. Because the older parts of town face north across the bay, they catch maximum northern sunshine throughout the short winter days. June, July, and August see the lowest visitor numbers of the year, yet rainfall remains modest—often barely twenty to thirty millimetres for an entire month, falling in fast-moving cold fronts rather than days of unending gloom.
Daytime temperatures peak around eighteen or nineteen degrees, though the brisk sea breezes can push the apparent temperature down toward fifteen. You will want a windproof jacket for the headlands around Cape St Blaize, where southern right whales begin to show their dorsal fins offshore in the deep water channels. The Point takes on a rugged, untamed drama as massive southern swells crash against the dolosse and rocky shelves.
July marks the coldest touch on the calendar, but it also brings clean, scrubbed air that offers razor-sharp visibility across the entire bay toward the blue mountain ridges to the north. If you prize solitary coastal walks, open tables overlooking the working harbour, and quiet evenings wrapped in fleece, winter is entirely hospitable.
Spring arrives along the coast with an energetic pulse. September and October see the coastal fynbos burst into flower on the hills behind the town, while temperatures gradually climb back toward twenty degrees. These are dynamic, changeable months: October brings the highest monthly rainfall volume of the year, arriving in rolling squalls that alternate with brilliant sunshine.
By November, the summer warmth establishes its grip. Sunshine stretches to over eleven hours a day, the rain tapers to faint drizzles, and the crowd index climbs as travelers begin to arrive ahead of the holidays. November is particularly rewarding for active travelers—the sea is waking up, the heat is never oppressive, and the walking trails around the peninsula are vibrant and green.
December launches into festive beach weather. The days are hot, the light lingers late into the evening, and family holidays take over the sands from Santos Beach to the far edges of the bay. If you visit in December, prepare for energetic beachfront energy and windy afternoons that send bathers seeking sheltered coves.