Andy Murray played for 3 hours in 40° and won.
Jog on footballists.

It's more the fans they are bothered about. A tennis tournament may attract say 20,000 fans. A football tournament is going to attract 200,000. Whole different ball of wax.

I thought that many of the matches would be played at night?

Many people told them before the decision was made not to hold it there. too much bribery.

sorry it would have helped if I read what I typed before I posted it

No! They are called facilitation payments.

Again, I think it's one of those judgement calls for the fans to make.
It is, after all, just a game. Or are the fans actively involved in the kicking the ball these days?