What’s the climate like in Knysna?
The current climate of Knysna features average monthly temperatures ranging from highs of 27°C during the day to lows of 20°C. The average yearly temperature is around 23°C. At night, temperatures in the colder months average around 8°C and in the warmer months around 16°C.
The highest temperature recorded in Knysna in recent years was 42°C in January 2022. The lowest daytime temperature recorded was 10°C in July 2023.
On average, Knysna receives 812 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Curious about the climate in other parts of South Africa? Check out the weather and climate in places like Cape Town, Krugerpark, Johannesburg, or have a look at other destinations in South Africa.
Best time to visit Knysna?
The best time to visit Knysna for sunny weather is January through July and September through December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Knysna. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Knysna
The climate table of Knysna shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 26 | 27 | 25 | 23 | 23 | 21 | 20 | 20 | 21 | 22 | 23 | 25 |
| Temp. min (°C) | 17 | 17 | 16 | 13 | 11 | 9 | 8 | 9 | 10 | 12 | 13 | 16 |
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| Precipitation (mm) | 62 | 63 | 57 | 85 | 46 | 44 | 85 | 122 | 86 | 51 | 68 | 43 |
| UV Index | 9 | 9 | 8 | 6 | 5 | 4 | 5 | 6 | 7 | 9 | 9 | 9 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 23°C
- Highest temperature: 27°C in February
- Lowest temperature: 20°C in July and August
- Precipitation: 812 mm per year, averaging 68 mm per month
- Driest months: 43 mm in December, 44 mm in June and 46 mm in May
- Wettest months: 122 mm in August, 86 mm in September and 85 mm in April
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Table of Contents
Average Temperature per Month in Knysna
This graph shows the average maximum temperatures per month in Knysna, South Africa. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Knysna
This graph shows how much precipitation Knysna, South Africa, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Knysna
This graph shows the average UV index per month in Knysna, South Africa. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Knysna
This graph shows the average yearly temperature in Knysna, South Africa. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Knysna
This chart shows the total yearly precipitation in Knysna, South Africa, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Knysna
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Average Weather in Knysna by Month
Click on a month below to see detailed weather info for Knysna. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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