The windier part of the year lasts for 4.1 months, from July 30 to December 2, with average wind speeds of more than 8.1 miles per hour. The windiest month of the year in Johannesburg is September, with an average hourly wind speed of 9.6 miles per hour.
Average Wind Speed In South Africa
The average wind speed is 24 kph (15 mph). The average sea temperature is of 19.5 °C (66.5 °F). Therefore, the sea is very cool for swimming. In February, the warmest month of the year, the weather in Cape Town is usually warm.
Which is the windy month in South Africa?
|QUICK CLIMATE INFO|
|Hottest Month||February (78 °F avg)|
|Coldest Month||July (63 °F avg)|
|Wettest Month||December (2.34″ avg)|
|Windiest Month||October (10 mph avg)|
What is the highest wind speed in Cape Town?
The wind is trapped in the bowl by Table Mountain and enjoys a good swirl around in Cape Town center. Wind speeds up to 160km/h have been measured around Table Bay.
Why is it so windy in August in South Africa?
Over the eastern and central interior of South Africa annual maximum wind gusts are usually caused by thunderstorm gust fronts during summer, while in the western and southern interior extratropical cyclones play the most dominant role.
Bantry Bay is known to be the most wind-free area in Cape Town. Secluded & protected, this area gets about 290 wind free days per year – a significant fact given Cape Town’s windy climate.