The temperatures in Oman during May are extremely high, between 30°C and hot as 36°C, drinking water regularly is advisable.
There shouldn't be any rainy days in in Oman during May. Having said that, the days are very hot in May so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Oman in May 2025.
If you’re planning to visit Oman in the near future, we highly recommend that you review the 14 day weather forecast for Oman before you arrive.