The town of Knysna has a temperate climate making it an ideal all-year holiday destination.
Summer temperatures can reach highs of 38° and during the winter months (June-August) temperatures can fall to about 18º Celsius - still ideal conditions for outdoors activities! Sporadic snowfalls on the higher Outeniqua peaks during winter bring the temperature down at times.
The lowest rainfall occurs during winter; the yearly average is 770 mm. The Indian Ocean at Knysna is much warmer than the sea water in Cape Town; even in winter there are many days where you can go swimming.
The average annual relative humidity is 88%. Knysna is surrounded by indigenous forests that survive on meager rainfalls compared to rainforests worldwide, averaging from 550mm to a high of 950mm per annum. Most of the southern facing slopes will receive on average 550mm, with portions of the foothills receiving up to 1200mm per annum.