The weather in Oman is characterised by high temperatures and humidity all year round. May to September are the hottest months, with temperatures occasionally reaching up to 122°F (50°C), but averaging 100°F (38°C).
The extreme heat experienced at this time of the year puts expats at risk of heatstroke and exhaustion, so sensible health and safety precautions are advised. The cooler months of November to March, on the other hand, see pleasant temperatures, averaging 68°F (20°C).
The south coast of Oman experiences its rainy season between June and September, and in the Jabal Akhdar and lowlands of the north, rain can fall at any time of the year.
Oman is occasionally affected by tropical cyclones. These storm systems, which originate over the Arabian Sea and the north Indian Ocean, typically dump high amounts of rain on the country, which can result in severe flash flooding. These sea storms usually happen before (May to June) and after (October to November) the wet season.
The weather in Oman is often unaccounted for as a hardship factor, but expats should keep this in mind when negotiating an employment contract.