Weather in August
Temperature
In Knysna, South Africa, the coldest months are June through September, registering an average high-temperature of 21°C (69.8°F).Rainfall
In Knysna, in August, during 12 rainfall days, 68mm (2.68") of precipitation is typically accumulated. Throughout the year, in Knysna, South Africa, there are 145 rainfall days, and 719mm (28.31") of precipitation is accumulated.Sea temperature
July and August, with an average sea temperature of 16.8°C (62.2°F), are months with the coldest seawater in Knysna.Note: The majority find it unenjoyable to swim in 16.8°C (62.2°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).
Daylight
In August, the average length of the day in Knysna is 10h and 53min.On the first day of the month, sunrise is at 07:19 and sunset at 17:48. On the last day of August, in Knysna, sunrise is at 06:46 and sunset at 18:09 SAST.
Sunshine
The average sunshine in August in Knysna is 8h.UV index
The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the coldest time of year in Knysna?
What are August temperatures in Knysna?
How much does it rain in Knysna in August?
What are the months with the coldest sea water in Knysna?
What is the sea water temperature in August in Knysna?
How many hours of daylight does Knysna have in August?
When is the sunrise / sunset in August in Knysna?
How long on average sun shines in August in Knysna?
What is the UV index intensity in August in Knysna?
Average temperature in August
Knysna, South Africa
- Average high temperature in August: 21°C
The warmest months (with the highest average high temperature) are January and February (26°C).
The months with the lowest average high temperature are June, July, August and September (21°C).
- Average low temperature in August: 8°C
The month with the highest average low temperature is February (16°C).
The coldest month (with the lowest average low temperature) is July (7°C).
Average rainfall in August
Knysna, South Africa
- Average rainfall in August: 67.5mm
The wettest month (with the highest rainfall) is November (93.7mm).
The driest month (with the least rainfall) is June (31.7mm).
Average rainfall days in August
Knysna, South Africa
- Average rainfall days in August: 12 days
The months with the highest number of rainy days are January, March and October (14 days).
The month with the least rainy days is May (9 days).
Average sea temperature in August
Knysna, South Africa
- Average sea temperature in August: 16.8°C
The best month for swimming (with the highest average sea temperature) is January (20.4°C).
The coldest months (with the lowest average sea temperature) are July and August (16.8°C).
Average daylight in August /
Average sunshine in August
Knysna, South Africa
- Average daylight in August: 10h and 5min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in August: 8h
The months with the most sunshine are January and February (Average sunshine: 10h).
The months with the least sunshine are May and June (Average sunshine: 7h).
Average UV index in August
Knysna, South Africa
- Average UV index in August: 4
The months with the highest UV index are January and December (UV index 12).
The months with the lowest UV index are May, June and July (UV index 3).
Knysna, South Africa
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