Month-specific sea-surface temperature · Belize

Placencia Sea Temperature in March

28.9°C

84.0°F

In March, sea-surface temperature near Placencia has a historical monthly average of 28.9°C. This is not the reading for any particular holiday date.

Across 2023–2025, the lowest and highest yearly March monthly means were 28.3–29.5°C. These are not daily extremes.

Previous month

February · 27.1°C

Change into March: +1.8°C

Next month

April · 29.0°C

Change into next month: +0.1°C

Can you swim or snorkel in Placencia in March?

At 28.9°C our temperature-only guide describes the water as very warm water. Comfort depends on your cold tolerance, immersion time and wind. A historical average cannot determine whether conditions are safe on any given day.

Do you need a wetsuit?

Swimwear is usually enough; a rash guard adds sun protection.

Which beach should you choose?

Look for a beach sheltered from the actual forecast waves and wind on your visit. Exposure, currents and entry conditions vary even where water temperatures are similar. Follow local warnings.

Check the current waves, wind and snorkeling forecast →

A live forecast does not predict a future March. Check again close to your trip.

Nearby places in March

Comparable historical averages from independent marine grid cells. Warmer water does not imply safe snorkeling.

Data source and limitations

Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature; 2023–2025. Marine model grid near 16.51, -88.37. Based on 3 yearly monthly means and 2232 recorded samples. Source methodology.

Modelled sea-surface temperatures do not establish underwater visibility, wildlife, calm currents or safe entry.