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    South Africa

    Western Cape - South Africa weather in August 2025

    South Africa

    Western Cape - South Africa weather in August 2025

     

    Day

    19 °C

     

    Night

    9 °C

     

    Sea

    16 °C

     

    Precipitation

    69 mm

    in month

     

    Rainy days

    8 days

    in month

     

    Daylight

    11 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    74 %

     

    Day

    19 °C

     

    Night

    9 °C

     

    Sea

    16 °C

     

    Precipitation

    69 mm

    in month

     

    Rainy days

    8 days

    in month

     

    Daylight

    11 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    74 %

    Overview: Western Cape - South Africa
    In Western Cape in August, the average air temperature ranges from 19 °C (66 °F) during the day to 9 °C (48 °F) at night. There are 8 days of rain on average, where the rainfall is 69 mm (2.71 in).

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    Aerial view of mountain range in Cape Town in partly cloudy weather
    Aerial view of countryside in Knysna on a sunny day with some clouds
    Aerial view of beach near Mossel Bay with nice weather and blue sky

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    Weather overview and FAQs

    Weather overview

    In Western Cape in August, the average air temperature ranges from 19 °C (66 °F) during the day to 9 °C (48 °F) at night. There are 8 days of rain on average, where the rainfall is 69 mm (2.71 in).

    Are there good conditions to visit in August in Western Cape?

    There are good conditions for visiting in Western Cape in August. Especially for non-beach activities, such as hiking or sightseeing. You can expect just 8 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 19 °C (66 °F), but others will feel perfectly fine. The temperature of 9 °C (48 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    What is the temperature in Western Cape during the day in August?

    In Western Cape in August, the average daily temperatures will be 19 °C (66 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.

    What is the sea temperature in August in Western Cape?

    The temperature of the sea in Western Cape in August is 16 °C (60 °F). This is a sea temperature for resilient people only, most people won't enjoy swimming in such cold water or will have to use a wetsuit for water activities.

    How many rainy days can I expect in Western Cape in August?

    In August in Western Cape, we can expect 8 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.0 days of the week, or in general - 28 % days.

    How many hours of sun to expect in Western Cape in August?

    In Western Cape in August, you can expect around 7 hours of sunshine.

    What is the air temperature in August in Western Cape at night?

    The average night temperature in Western Cape in August is 9 °C (48 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

    What is the rainfall intensity in August in Western Cape?

    In August in Western Cape, there is 69 mm (2.71 in) rainfall, which means on average 2 mm (0.09 in) rainfall per day.

    Is Western Cape rainier in August than in July?

    Yes, Western Cape is a rainier August than in July.

    How long is the day (from dawn till dusk) in Western Cape in August?

    The length of daylight in Western Cape in August is 11 hours.

    How windy is Western Cape in August?

    In Western Cape in August, there will be an average wind scale of 4.

    What level of humidity is to expect in August in Western Cape?

    Humidity in Western Cape in August is 74 %.

    Is the weather in Western Cape warmer in August than in September?

    No, in Western Cape in August the temperature is not higher than in September.

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