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 day of the year is September 25, with an average hourly wind speed of 9.7 miles per hour.
What is the typical average wind speed?
In the U.S., daily wind speeds typically average between 6 and 12 miles per hour (10 and 19 kilometers per hour) throughout the course of a year.
Is it always windy in South Africa?
In Cape Town, the summers are warm, dry, and mostly clear; the winters are long, cool, wet, and partly cloudy; and it is windy year round. Over the course of the year, the temperature typically varies from 48°F to 76°F and is rarely below 41°F or above 84°F.
What is the coldest month of the year in South Africa?
South Africa has typical weather for the Southern Hemisphere, with the coldest days in June–August.
Is 10 mph winds strong?
Breezy is described as a sustained wind speed from 15-25 mph. Windy is a sustained wind speed from 20-30 mph. … Sustained winds between 30-40 mph.
What wind speed is dangerous?
“An Extreme Threat to Life and Property from High Wind.”
“Damaging high wind” with sustained speeds greater than 58 mph, or frequent wind gusts greater than 58 mph. Damaging wind conditions are consistent with a high wind warning.
Why is South Africa so windy?
The culprit behind this extremely windy weather is a cold front which has already been wreaking some havoc in WA for the last few days. … If you’re in Adelaide, Port Lincoln, Whyalla, Mount Gambier, Clare, Maitland, Murray Bridge, Kingscote, and Naracoorte, get ready for winds tonight, continuing into tomorrow morning.
Which season is most windy in South Africa?
During the months September, October and November it is spring in South Africa. When the winter season changes to spring, conditions can be a quite windy for a short period after the winter rains have stopped in the Western Cape and before the first rains appear on the interior plateau.