Advice on Diving in Oman

... with typically green-ish water, which is perhaps the biggest downside to diving in Oman. Season The best time to dive in Oman would have to be May. During this month, one has the highest probability of swimming in 'blue water' with visibility well over 10 metres. Generally, Oman is dive-able all year round, although the winter months are not the greatest - the water falls below 20 degrees (C) and the visibility is usually quite bad. I would say November, december, january and february are far from ideal. The summer is also not ideal since the heat is extreme and frankly being out on a boat ...