Average Temperature in Riyadh by Month

Riyadh has a arid desert climate, classified as BWh in the Köppen system. The warmest month is July with an average high of 42°C, while the coldest month is January with lows dropping to 7°C. The annual temperature range of 35°C is typical of continental climates with distinct seasons.

The driest month is October with only 0 rain days and 1mm of precipitation. For travellers, October through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 78% to 78% throughout the year.