When flying from Mumbai to Dahab, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Mumbai is typically similar to Sharm El Sheikh. We can gather that this will continue over the next 0 days.
Expect the weather to be around 37 °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 Sharm El Sheikh is generally hotter than in Mumbai.