Weather in April
Temperature
In Knysna, the average high-temperature in April is relatively the same as in March - a still moderately hot 24°C (75.2°F). The average low-temperature, in April, is 12°C (53.6°F).Rainfall
In Knysna, during April, the rain falls for 12 days and regularly aggregates up to 60mm (2.36") of precipitation. In Knysna, during the entire year, the rain falls for 145 days and collects up to 719mm (28.31") of precipitation.Sea temperature
In April, the average sea temperature is 18.2°C (64.8°F).Note: For swimming, a surface water temperature of 18.2°C (64.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
Daylight
The average length of the day in April is 11h and 14min.On the first day of April, sunrise is at 06:39 and sunset at 18:23. On the last day of the month, sunrise is at 07:01 and sunset at 17:48 SAST.
Sunshine
In Knysna, South Africa, the average sunshine in April is 8h.UV index
The average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
FAQ
What is the temperature in April in Knysna?
How much does it rain in Knysna in April?
What is the sea temperature in April in Knysna?
How many hours of daylight does Knysna have in April?
When is the sunrise / sunset in April in Knysna?
How many hours of sunshine does Knysna have in April?
What is the UV index reading in April in Knysna?
Average temperature in April
Knysna, South Africa
- Average high temperature in April: 24°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 April: 12°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 April
Knysna, South Africa
- Average rainfall in April: 60.2mm
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 April
Knysna, South Africa
- Average rainfall days in April: 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 April
Knysna, South Africa
- Average sea temperature in April: 18.2°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 April /
Average sunshine in April
Knysna, South Africa
- Average daylight in April: 11h and 1min
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 April: 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 April
Knysna, South Africa
- Average UV index in April: 6
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).
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