Climate of Muscat

The climate of Muscat features a hot, arid climate with long and very hot summers and warm winters. Annual rainfall in Muscat is about 100 mm (4 in), falling mostly from November to April. In general, precipitation is scarce in Muscat with several months, on average, seeing only a trace of rainfall. The climate is very hot, with temperatures reaching as high as 46 °C (120 °F) in the summer.
For sightseeing, the best time to visit Muscat is from November to April as the temperatures are moderate and pleasant, making it easy to move around. The day time temperature in Muscat during winter season is 23-26°C and night will be cool around 13-17°C. Between May and October, travel is very exhausting with the average temperature between 31 °C to 38 °C and sunburn and dehydration are possible.
Factors.
Muscat being located in the Arabian peninsula features long and very hot summers similar to that of any Middle Eastern country. Rainfall in the city is very rare, mostly falling during winter months.
Extreme weather events.
The most extreme weather events in Oman are tropical storms that form in the Arabian sea. Following is the list of tropical storms that affected Oman, including Muscat, during the 21st century.