Our verdict
The best time to visit Knysna is August
In the summer months, temperatures tend to get to a maximum of around 25℃ (77℉). The weather at night in the winter can get down to temperatures as low as 12℃ (53℉).
If you’re a sun-chaser and want to visit Knysna when the days are longest, you should visit in January. June sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in December instead.
Find out everything you need to know about when to visit Knysna below, including detailed information about the weather and tools to help you find the best prices and book your trip.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Knysna seasons
Before you continue, it’s important to know when the seasons are in Knysna as they might be different to yours depending on where in the world you’re travelling from. Knysna is in the Southern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | December to February |
| Autumn/fall | March to May |
| Winter | June to August |
| Spring | September to November |
Average temperatures in Knysna
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Knysna for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Knysna climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Knysna for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Knysna in January
- Average temperature: 21℃ (70℉)
- Average high temperature: 24℃ (75℉)
- Average low temperature: 19℃ (65℉)
- Average humidity: 76%
- Average sunny days: 18 days
- Average rainfall: 22mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in January, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Knysna in February
- Average temperature: 21℃ (70℉)
- Average high temperature: 24℃ (75℉)
- Average low temperature: 18℃ (65℉)
- Average humidity: 76%
- Average sunny days: 17 days
- Average rainfall: 21mm (1") over 9 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in February, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Knysna in March
- Average temperature: 20℃ (69℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 18℃ (63℉)
- Average humidity: 75%
- Average sunny days: 18 days
- Average rainfall: 21mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in March, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Knysna in April
- Average temperature: 19℃ (66℉)
- Average high temperature: 22℃ (71℉)
- Average low temperature: 16℃ (61℉)
- Average humidity: 70%
- Average sunny days: 18 days
- Average rainfall: 24mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in April, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Knysna in May
- Average temperature: 17℃ (63℉)
- Average high temperature: 20℃ (69℉)
- Average low temperature: 15℃ (58℉)
- Average humidity: 68%
- Average sunny days: 20 days
- Average rainfall: 24mm (1") over 9 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in May, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Knysna in June
- Average temperature: 15℃ (59℉)
- Average high temperature: 18℃ (65℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 64%
- Average sunny days: 17 days
- Average rainfall: 35mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in June, make sure you pack a light jumper or hoodie.
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Knysna in July
- Average temperature: 15℃ (59℉)
- Average high temperature: 18℃ (64℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 64%
- Average sunny days: 17 days
- Average rainfall: 33mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in July, make sure you pack a light jumper or hoodie.
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Knysna in August
- Average temperature: 15℃ (59℉)
- Average high temperature: 18℃ (65℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 67%
- Average sunny days: 18 days
- Average rainfall: 27mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in August, make sure you pack a light jumper or hoodie.
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Knysna in September
- Average temperature: 16℃ (60℉)
- Average high temperature: 18℃ (65℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 71%
- Average sunny days: 17 days
- Average rainfall: 27mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in September, make sure you pack a light jumper or hoodie.
Knysna in October
- Average temperature: 17℃ (63℉)
- Average high temperature: 20℃ (68℉)
- Average low temperature: 15℃ (58℉)
- Average humidity: 73%
- Average sunny days: 17 days
- Average rainfall: 30mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in October, make sure you pack a light jumper or hoodie.
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Knysna in November
- Average temperature: 18℃ (64℉)
- Average high temperature: 21℃ (69℉)
- Average low temperature: 15℃ (60℉)
- Average humidity: 74%
- Average sunny days: 18 days
- Average rainfall: 27mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in November, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Knysna in December
- Average temperature: 20℃ (68℉)
- Average high temperature: 22℃ (72℉)
- Average low temperature: 17℃ (63℉)
- Average humidity: 76%
- Average sunny days: 17 days
- Average rainfall: 17mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Knysna in December, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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