Guyana — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Guyana. 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
Guyana’s Atlantic coast enjoys consistently warm sea temperatures throughout the year, typical of a low‑latitude tropical shoreline. Surface water temperatures generally sit between about 26 and 29 °C (79 and 84 °F) for most months, with the coolest readings occasionally near 25 °C (77 °F) during the cooler, drier months around December to February and the warmest near 29–30 °C (84–86 °F) in the late summer and early autumn period. Seasonal swings are modest, so swimmers will find the water pleasant year‑round rather than seasonal extremes. Local variations can occur close to river mouths where large freshwater inflows and suspended sediments slightly alter temperature and clarity.
Swimming Conditions
Swimming is permitted at many coastal spots because the warm sea temperatures are generally comfortable for bathing. However, access and safety vary: some of Guyana’s shoreline is mangrove and estuary rather than broad sandy beach, and water quality near urban runoff or river discharges can reduce suitability for swimming at times. Currents, tidal flows and submerged hazards in estuarine areas may make certain locations unsafe, and formal lifeguard services are uncommon, so caution is advised. Where beaches are monitored or locally recommended, swimming is common and enjoyable thanks to the warm water, but visitors should heed local guidance about tides, weather, and water conditions before entering the sea.