The Climate of Oman can be described as subtropical dry, hot desert climate with low annual rainfall, very high temperatures in summer and a big difference between maximum and minimum temperatures, especially in the inland areas.
Summer (June to September) is very low rainfall. Daily maximum temperatures can reach easily 40°C or more. Winter is cooler with occasional rainfall. Spring and autumn are warm, mostly dry and pleasant, with maximum temperatures between 25°C and 35°C and cooler night Temperatures between 15 and 22°C.
A hot, dust-laden wind, the Shamal, blows in the spring and summer-period, from March till August. sometimes these winds can be very strong, and cause Sandstorms, that can occur throughout the year. Most rain falls during the winter months in sudden, short but heavy cloudbursts and thunderstorms.
Lightweight cottons and linens are worn during summer months, with warm clothes for cooler evenings and during the winter. Rainwear is advisable during winter.
the climate of Oman can be classified as BWh climate; a hot, dry desert climate with the annual average Temperature above 18°C.