January weather forecast
Knysna, South Africa

Serving up a warm start to the year, impeccable weather conditions are present in Knysna, South Africa. January's weather closely resembles that of February but with slightly higher rainfall of 62mm (2.44") spread across 14 days, making it a balmy and tranquil month compared to the moist February. Amidst a lush landscape, taking advantage of outdoor activities becomes quite desirable during January. An array of flora in full bloom and teeming wildlife makes this the perfect period for nature enthusiasts. With favorable weather all round, January showcases South African beauty at its finest.

Temperature

During January and February, Knysna registers its highest temperatures, averaging a high of 26°C (78.8°F).

Rainfall

In Knysna, during January, the rain falls for 14 days and regularly aggregates up to 62mm (2.44") of precipitation. Throughout the year, there are 145 rainfall days, and 719mm (28.31") of precipitation is accumulated.

Sea temperature

January is the month with the warmest seawater, with an average sea temperature of 20.4°C (68.7°F).
Note: For the majority, swimming in water with a temperature of 20.4°C (68.7°F) is not enjoyable. The difficulty in managing breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in January in Knysna is 14h and 7min.
On the first day of the month, sunrise is at 05:19 and sunset at 19:42. On the last day of January, sunrise is at 05:47 and sunset at 19:34 SAST.

Sunshine

January and February, with an average of 10h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in Knysna are January and December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 12 in January interprets into the following advice:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.