Saudi Arabia — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Saudi Arabia. Learn about today’s conditions, monthly averages, and how the surrounding seas and oceans vary by season. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Saudi Arabia’s coastline stretches along the Red Sea in the west and the Arabian (Persian) Gulf in the east, and water temperatures vary by region and season. On the Red Sea side, winter sea temperatures typically range from about 22–24 °C (72–75 °F), rising through spring to roughly 24–28 °C (75–82 °F) and peaking in summer around 30–33 °C (86–91 °F) before cooling again in autumn to the high 20s °C (low-80s °F). The Arabian Gulf, which is shallower and more enclosed, shows greater seasonal swings: winter waters can be around 18–22 °C (64–72 °F), spring and autumn commonly sit in the low to high 20s °C (72–82 °F), and summer temperatures often climb to 30–36 °C (86–97 °F) in sheltered areas. Local variations occur near estuaries, ports and shallow lagoons, and nighttime or wind-driven changes can be noticeable.
Swimming Conditions
Swimming is generally allowed and popular at public beaches, resort shores and waterfronts, with excellent opportunities for snorkeling and diving especially on the Red Sea’s coral reefs where water remains pleasant for much of the year. Practical considerations include strong sun, high air temperatures and humidity in summer, occasional currents or jellyfish, and localized water-quality advisories near industrial facilities or busy ports. Cultural norms and municipal rules can affect beach attire and gender segregation at some sites, and certain stretches near oil installations, military zones or protected marine areas may be restricted. Visitors should check local conditions, heed posted warnings and follow lifeguard advice when present to ensure safe and respectful enjoyment of the sea.