Garden Route Weather Guide: Knysna, Plettenberg Bay & More

The Garden Route, stretching from Mossel Bay to Storms River, is one of South Africa's most scenic drives. This 300km stretch of coastline enjoys mild weather year-round, making it a perfect destination regardless of when you visit.

Garden Route Climate

The Garden Route has a temperate oceanic climate, distinctly different from the Mediterranean climate of Cape Town. The region receives rainfall throughout the year, with slightly more in spring and autumn.

Key Weather Characteristics

• Year-round mild temperatures: Rarely below 10°C or above 30°C
• Higher humidity than inland areas
• Unpredictable rain: Can occur any day of the year
• Less wind than Cape Town
• Lush, green vegetation due to consistent moisture

Town-by-Town Weather Guide

Knysna

Knysna enjoys some of the most pleasant weather on the Garden Route:

• Summer: 22-26°C with warm, humid days
• Winter: 12-18°C with occasional rain
• Best for: Oyster festivals (July), forest walks, lagoon activities

Plettenberg Bay

"Plett" is known for its beautiful beaches:

• Summer: 24-28°C, perfect beach weather
• Winter: 14-20°C, ideal for hiking
• Best for: Whale watching (July-November), beach holidays

George

The gateway to the Garden Route:

• Slightly cooler due to higher elevation
• More rainfall than coastal towns
• Best for: Golf, Outeniqua hiking

Wilderness

A paradise for nature lovers:

• Similar weather to Knysna
• Excellent for kayaking and paragliding
• Best for: Birdwatching, beach walks

Must-Visit Attractions

Tsitsikamma National Park

This ancient forest and dramatic coastline is spectacular year-round. The famous Storms River Mouth suspension bridge and Big Tree trail are must-dos. Weather can change quickly, so bring rain gear.

Knysna Heads

These dramatic sandstone cliffs guard the entrance to Knysna Lagoon. Visit on a clear day for the best views. The Eastern Head viewpoint is accessible by car.

Bloukrans Bridge

The world's highest commercial bungee jump (216m) operates in most weather conditions except extreme wind. Morning visits typically offer calmer conditions.

Robberg Nature Reserve

This peninsula near Plettenberg Bay offers incredible hiking trails. Best visited in cooler weather (autumn/winter/spring) as summer can be hot for the longer trails.

Cango Caves

Located inland near Oudtshoorn, these limestone caves maintain a constant temperature year-round, making them perfect for any weather day.

Monkeyland & Birds of Eden

These sanctuaries near Plettenberg Bay are perfect for rainy days, with covered walkways through the forest canopy.

Best Time to Visit

Packing List

• Rain jacket (essential year-round)
• Layers for temperature changes
• Comfortable hiking shoes
• Swimsuit (many indoor heated pools)
• Binoculars for wildlife
• Camera with weather protection