It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
In Dubai, there will be less rainfall in Dubai compared to Chania over the next 2 days.
Expect the weather to be around 41 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Chania is generally colder than in Dubai.