From May to August it is very hot and humid in all parts of the country except Dhofar. The climate is best from late September to early April. Rainfall varies according to the region. During the period June to September there is light rain in the Dhofar region with heavy fog across the hills.

Lightweight cottons are advisable throughout the year, with a warm wrap for cooler winter evenings, mountain excursions and overworked air-conditioning in shops and restaurants.