April weather forecast
Knysna, South Africa

April marks the beginning of the transition from warmer to slightly cooler temperatures. Despite the downwards shift, the weather conditions remain relatively consistent from March, offering an enjoyable outdoor climate with slightly less rainfall of 60mm (2.36"). A pleasantly mild climate provides an inviting backdrop for exploring the natural beauty of Knysna inland. With the sea temperature beginning to cool, water-based activities transition to focus more on land, making April an excellent time for hiking and wildlife viewing. Nature's rhythm syncs well with the climate during this period, rendering a beautiful cycle of life across the region.

Temperature

April in Knysna experiences an average high-temperature of a still moderately hot 24°C (75.2°F), barely different from March's 25°C (77°F). A stark contrast in day to night temperatures can be seen in April, with an average low-temperature of 12°C (53.6°F).

Rainfall

In Knysna, in April, it is raining for 12 days, with typically 60mm (2.36") of accumulated precipitation. Throughout the year, there are 145 rainfall days, and 719mm (28.31") of precipitation is accumulated.

Sea temperature

In April, the average sea temperature in Knysna is 18.2°C (64.8°F).
Note: Swimming is not a pleasant activity for most individuals in 18.2°C (64.8°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in April is 11h and 14min.
On the first day of April, sunrise is at 06:40 and sunset at 18:22. On the last day of the month, sunrise is at 07:02 and sunset at 17:47 SAST.

Sunshine

In April, the average sunshine is 8h.

UV index

The average daily maximum UV index in April in Knysna is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In April, a daily maximum UV index of 6 leads to the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.