I don't have previous year's figures for comparison, but the sea-surface temperatures off Cape Town are certainly mild/warm enough (17C) to provide humid air. With air temperatures below 10C, any onshore flow of moisture is guaranteed to produce fog:
I was watching SABC news (well someone has to), and Ramaphosa made an uninspiring Mandela Day speech. He made it seem like the government was doing a huge favour in providing water to Hammanskraal. Actually he looked bored, and just going through the motions...
I'm also seeing a lot of houses being renovated, or demolished and rebuilt at twice the size, or converted into apartment complexes. In some areas there is simply no more land, so 'densification' is taking place.
This year we aren't having a proper winter, mostly just autumn days, when fog is quite common. Very little rain so far in July, and no real cold/snow to speak of...
You just reminded me of a funny story from yesterday, when I was walking in the park with a friend and his two grandkids. Girl drinks water from the tap/fountain, and then insists on going into the bathroom to wash her hands. I tried to explain that its exactly the same water, but logic doesn't...
Interesting article on the potential changes in the North Atlantic Ocean, and it's effects on the UK and Western Europe:
https://www.bbc.com/news/articles/c992e8g10nmo