Nicaragua — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Nicaragua. 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
Nicaragua’s coastal waters are warm year‑round, with only modest seasonal variation. On the Pacific side, typical sea temperatures range from about 25–30 °C (77–86 °F), with the coolest readings usually from December through February and warmer conditions during the dry months of March to April and into the pre‑rainy season. The Caribbean coast is generally a little steadier and slightly warmer, averaging roughly 26–30 °C (79–86 °F) through the year. During the rainy season (roughly May–November) surface temperatures remain warm but can be influenced locally by river runoff, cloud cover and occasional upwelling events on the Pacific that briefly lower temperatures. In short, swimmers can expect pleasantly warm water most of the year, with differences between coasts typically limited to a degree or two.
Swimming Conditions
Swimming is widely permitted along Nicaragua’s shores and popular with locals and visitors because of the consistently warm water. However, conditions vary: many Caribbean beaches and offshore islands offer calm, clear water suitable for swimming, snorkeling and diving, while the Pacific coast can have stronger surf, undertows and rip currents, especially during swell events and windy periods. Water quality near river mouths or after heavy rain may be reduced, and occasional marine hazards such as jellyfish, sea urchins or strong currents can occur. Lifeguards are not ubiquitous outside major tourist areas, so local advisories, posted warnings and guidance from beach operators should be followed. Overall, the climate supports year‑round swimming, but exercising caution and checking current conditions is advisable.