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    Western Cape - South Africa

    Knysna weather and climate

    Western Cape - South Africa

    Knysna weather and climate

    Day

    21 °C

    Night

    11 °C

    Sea

    18 °C

    Precipitation

    46 mm

    in month

    Rainy days

    6 days

    in month

    Daylight

    10 hours

    average

    Sunshine

    6 hours

    average

    Humidity

    71 %

    Weather charts for Knysna

    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)051015202530Precipitation (mm)0100
    Weather overview
    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)051015202530Precipitation (mm)0100
    Wet days chart
    JanFebMarAprMayJunJulAugSepOctNovDecWet days02468101224681012
    Sunhours per day chart
    JanFebMarAprMayJunJulAugSepOctNovDecSunhours per day02468101224681012
    Wind chart
    JanFebMarAprMayJunJulAugSepOctNovDecWind0246123456
    Humidity chart
    JanFebMarAprMayJunJulAugSepOctNovDecHumidity %606570758085606570758085
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    We make the most from 40 years of historical weather data to predict the best weather conditions.

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    Aerial view of countryside in Knysna on a sunny day with some clouds

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    Weather overview for Knysna

    Weather overview

    Knysna (South Africa) is a place with a tropical climate. Temperatures during the day are in the range from 19.2 °C (66.6 °F) in July to 26.2 °C (79.2 °F) in February. The driest month is May with just 6 days of rain, on the contrary, the month when it rains the most is October with 9 days of rain. The highest sea temperatures in Knysna are in February with 21.1 °C (69.9 °F) and the lowest in August with 16.4 °C (61.6 °F). Temperatures during the night go from 7.9 °C (46.2 °F) in July to 17.1 °C (62.8 °F) in February.

    January weather

    The day temperature rises similarly to the previous month, with its value of 25.6 °C (78.1 °F) in Knysna, and the rise of the sea temperature can be observed too. The ongoing tourist season is noticeable. The rainfall amount descents similarly to the previous month, with its value of 46 mm (1.83 in). The night temperature rises similarly to the previous month, with its value being 16.5 °C (61.7 °F).

    February weather

    The day temperature reaches its maximum, the value of this measure is 26.2 °C (79.2 °F) in Knysna, and the maximum of the sea temperature can be noticed too in this month. The tourist season is taking place. The number of rainy days rise's start could be observed, with its value being 8 days, while the rainfall amount is on its minimum, with its value of 43 mm (1.70 in). The maximum of the night temperature can be noticed, its value is 17.1 °C (62.8 °F).

    March weather

    The beginning of the descent of the day temperature could be noticed, the value of this measure is 24.6 °C (76.3 °F) in Knysna, and the sea temperature starts to descent too, with its value of 20.0 °C (67.9 °F). The tourist season is close to its peak. The rainfall amount starts to rise. The night temperature descent's start could be observed, its value is 15.6 °C (60.1 °F). The maximum of the humidity can be noticed in March.

    April weather

    The tourist season is close to its peak in Knysna. The sea temperature descents similarly to the previous month, its value is 18.5 °C (65.2 °F), and the day temperature descents similarly to the previous month too. The night temperature descents similarly to the previous month. The rise of the rainfall amount can be observed, its value is 60 mm (2.37 in). The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 7 hours.

    May weather

    The day temperature continues to descent in Knysna, and the descent of the sea temperature can be observed too, the value of this measure is 17.8 °C (64.1 °F). The number of rainy days reaches its minimum, with its value being 6 days, while the beginning of the descent of the rainfall amount could be noticed, the value of this measure is 46 mm (1.79 in). The descent of the night temperature can be observed, with its value of 11.0 °C (51.8 °F). The number of sun hours (without clouds) descents similarly to the previous month, its value is 6 hours.

    June weather

    The day temperature continues to descent, the value of this measure is 19.6 °C (67.3 °F) in Knysna, and the sea temperature descents similarly to the previous month too, the value of this measure is 17.1 °C (62.8 °F). The number of rainy days rise's start could be observed in June. The descent of the night temperature can be observed, with its value of 8.5 °C (47.3 °F). The minimum of the humidity can be noticed, its value is 69 %. The minimum of the number of sun hours (without clouds) can be noticed, with its value being 6 hours.

    July weather

    The day temperature is on its minimum, with its value of 19.2 °C (66.6 °F) in Knysna, and the night temperature is on its minimum as well, with its value being 7.9 °C (46.2 °F). The number of sun hours (without clouds) starts to rise. The minimum of the wind speed is observable in this month.

    August weather

    The sea temperature is on its minimum in Knysna, while the day temperature starts to rise in August. The beginning of the rise of the number of rainy days could be noticed, its value is 8 days, and the rainfall amount rise's start could be observed too, with its value being 64 mm (2.52 in). The number of sun hours (without clouds) continues to rise, with its value of 7 hours. The beginning of the rise of the night temperature could be noticed, the value of this measure is 8.5 °C (47.3 °F).

    September weather

    The rainfall amount starts to descent, the value of this measure is 52 mm (2.07 in) in Knysna, and the number of rainy days starts to descent too, its value is 7 days. The night temperature continues to rise, the value of this measure is 9.7 °C (49.5 °F).

    October weather

    The day temperature starts to rise in Knysna, and the beginning of the rise of the sea temperature could be noticed too in this month. The rainfall amount is on its maximum, its value is 81 mm (3.18 in), and the maximum of the number of rainy days is observable too, the value of this measure is 9 days. The night temperature rises similarly to the previous month, with its value being 12.4 °C (54.3 °F). The number of sun hours (without clouds) rise's start could be observed, its value is 8 hours.

    November weather

    The tourist season slowly starts in Knysna. The rise of the day temperature can be observed, the value of this measure is 23.2 °C (73.8 °F), and the sea temperature continues to rise too, its value is 18.4 °C (65.1 °F). The rainfall amount descent's start could be observed, with its value of 62 mm (2.44 in). The number of sun hours (without clouds) rises similarly to the previous month, with its value of 8 hours. The wind speed reaches its maximum in November.

    December weather

    The day temperature continues to rise, with its value being 24.9 °C (76.8 °F) in Knysna, and the sea temperature continues to rise as well, the value of this measure is 19.8 °C (67.7 °F). The rainfall amount continues to descent, the value of this measure is 56 mm (2.21 in). The ongoing tourist season is noticeable. The maximum of the day length can be noticed in this month. The maximum of the number of sun hours (without clouds) can be noticed in this month.

    FAQs

    Is it hot in January in Knysna?

    In Knysna in January, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

    What is the sea temperature in February in Knysna?

    The temperature of the sea in February in Knysna is 21.1 °C (69.9 °F). The sea at this temperature is quite cold, but it is already possible to stay in it for a long time and it is pleasantly refreshing on hot, steamy days.

    Is there a wet season in Knysna in March?

    No, there is no wet season in Knysna in March - you can expect 8 days of rain during the month.

    What temperature can I expect during the day in Knysna in April?

    The average daily temperature in Knysna in April is 23.0 °C (73.4 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

    How many sunny hours can I expect in May in Knysna?

    There is an average length of sunshine of 6 hours per day in May in Knysna.

    How windy is Knysna in June?

    In June in Knysna, there will be an average wind scale of 3.0.

    What level of humidity is to expect in Knysna in July?

    Humidity in July in Knysna is 69 %.

    Is September part of the dry season in Knysna?

    No, September is not a dry month in Knysna, expect rain approximately 7 days in a month.

    What is the air temperature in Knysna in October at night?

    The average night temperature in Knysna in October is 12.4 °C (54.3 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

    How many rainy days can I expect in Knysna in November?

    There are 8 days, which are rainy in November in Knysna, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.9 days of the week, or in general - 27 % days.

    Is December a good month to visit Knysna?

    There are good conditions for visiting in Knysna in December. The daily temperatures in this month reach pleasant 24.9 °C (76.8 °F). You can expect just 8 days of rain during the month, taking an umbrella is not necessary. A sea temperature of 19.8 °C (67.7 °F) can seem colder to some, but others will call it refreshing. The temperature of 15.6 °C (60.1 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.