Belize City — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Belize City (Belize). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Belize City help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Belize City in the Caribbean Sea today is 86°F.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Belize City has risen over the last week and month. Currently, the sea water at this location is slightly warmer than average for this day in previous years.
According to our forecast, Water temperature in Belize City will be 84°F in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| MAY 9 | 86°F | 84°F | |
| MAY 10 | 86°F | 84°F | |
| MAY 11 | 85°F | 85°F | |
| MAY 12 | 85°F | 84°F | |
| MAY 13 | 85°F | 84°F | |
| MAY 14 | 86°F | 83°F | |
| MAY 15 | 86°F | 84°F | |
| MAY 16 | 86°F | 84°F | |
| MAY 17 | 86°F | 84°F | 86°F |
| MAY 18 | 84°F | 86°F | |
| MAY 19 | 84°F | 85°F | |
| MAY 20 | 83°F | 85°F | |
| MAY 21 | 84°F | 85°F | |
| MAY 22 | 83°F | 85°F | |
| MAY 23 | 83°F | 84°F | |
| MAY 24 | 84°F | 84°F |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Belize City sits on the coast of the Caribbean Sea, where surface water temperatures are comfortably warm year-round. Typical seasonal sea temperatures range from about 26–27°C in the coolest months of January and February, rising to around 28–29°C in spring and early summer, and peaking near 29–30°C from late summer into early autumn. These temperatures reflect the shallow, tropical shelf waters; however, local conditions can vary with tides, coastal runoff after heavy rains and short-term weather patterns. Visibility and temperature are generally more stable farther offshore along the Belize Barrier Reef, while nearshore areas can feel slightly warmer or cooler depending on freshwater inflow and time of day.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 75°F | 80°F | 84°F |
| February | 75°F | 79°F | 82°F |
| March | 77°F | 81°F | 84°F |
| April | 79°F | 82°F | 86°F |
| May | 81°F | 83°F | 88°F |
| June | 81°F | 84°F | 88°F |
| July | 81°F | 84°F | 88°F |
| August | 82°F | 85°F | 88°F |
| September | 82°F | 86°F | 90°F |
| October | 81°F | 85°F | 90°F |
| November | 79°F | 83°F | 86°F |
| December | 77°F | 82°F | 84°F |
* Click on a month to view detailed water temperature data.
Belize City: Weather Forecast
May 18
May 19
May 20
May 21
Location, Beaches & Local Information
Nearby Beaches & Facilities
Belizean Beach
Cucumber Beach
Sibun Beach
Mapp's Cay
Swimming Conditions
Swimming directly from Belize City is possible but limited compared with nearby cayes and reef areas. The city shoreline is largely developed with docks, mangroves and boat traffic, so most visitors take short boat trips to Ambergris Caye, Caye Caulker or inland beaches where sandy shores, clearer water and reef-protected lagoons make for safer, more pleasant swimming, snorkeling and diving. Water temperatures in these popular spots remain in the same comfortable 26–30°C range, making them inviting for long swims, snorkeling over coral and even diving; swimmers should nevertheless be mindful of currents, boat activity, seasonal runoff after heavy rains and the hurricane season (June–November) which can affect sea conditions.