Cancun — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Cancun (Quintana Roo, Mexico). 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 Cancun help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Cancun in the Caribbean Sea today is 29°C.
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 Cancun has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Cancun will be 28.5°C 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 |
|---|---|---|---|
| JUN 2 | 28.5°C | 28.5°C | |
| JUN 3 | 28.3°C | 28.8°C | |
| JUN 4 | 28.4°C | 28.5°C | |
| JUN 5 | 28.5°C | 28.8°C | |
| JUN 6 | 28.4°C | 28.5°C | |
| JUN 7 | 28.7°C | 29.0°C | |
| JUN 8 | 28.8°C | 28.5°C | |
| JUN 9 | 28.7°C | 28.3°C | |
| JUN 10 | 28.6°C | 28.3°C | 28.6°C |
| JUN 11 | 28.3°C | 28.6°C | |
| JUN 12 | 28.3°C | 28.6°C | |
| JUN 13 | 28.0°C | 28.6°C | |
| JUN 14 | 28.5°C | 28.6°C | |
| JUN 15 | 28.5°C | 28.6°C | |
| JUN 16 | 28.5°C | 28.5°C | |
| JUN 17 | 28.8°C | 28.5°C |
* 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
Cancún sits on the northeastern tip of Mexico’s Yucatán Peninsula, bathing in the warm waters of the Caribbean Sea. Sea temperatures are generally inviting throughout the year: in winter (December–February) surface temperatures typically hover around 24–26 °C, spring (March–May) sees 25–28 °C, summer (June–August) warms further to about 28–30 °C, and autumn (September–November) usually ranges from 27–29 °C. These conditions mean the water stays relatively stable and warm compared with temperate destinations, and visibility and clarity are often good for much of the year, especially on calmer days away from shore. Seasonal weather patterns, including occasional cold fronts or tropical storms, can produce short-term variability in temperature and surface conditions.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 25°C | 27°C | 28°C |
| February | 25°C | 26°C | 28°C |
| March | 25°C | 27°C | 28°C |
| April | 25°C | 27°C | 29°C |
| May | 26°C | 28°C | 30°C |
| June | 26°C | 29°C | 30°C |
| July | 27°C | 29°C | 30°C |
| August | 28°C | 29°C | 31°C |
| September | 27°C | 29°C | 31°C |
| October | 28°C | 29°C | 31°C |
| November | 27°C | 29°C | 30°C |
| December | 26°C | 28°C | 29°C |
* Click on a month to view detailed water temperature data.
Cancun: Weather Forecast
June 10
June 11
June 12
Location, Beaches & Local Information
Nearby Beaches & Facilities
Playa Puerto Juarez
Playa El Nino
Club De Playa
Playa Las Perlas
All Ritmo Cancun Resort & Waterpark
Playa Azul
Playa Langosta
Playa Linda
Playa Amada
Swimming Conditions
For swimmers and beach-goers, Cancún’s sea temperatures make it a comfortable destination for long swims, snorkeling and non-motorized water sports without the need for thermal protection for most visitors; a wetsuit is rarely necessary except for people who are particularly sensitive to cooler water during the coolest winter weeks. The protected reef systems just offshore create sheltered swimming areas and excellent snorkeling and diving opportunities, while wide sandy beaches and many resort facilities provide easy access to the water. Visitors should be mindful of local advisories about currents, changing sea states during storm season (June–November), and occasional seaweed influxes, but overall the warm, clear water supports a wide range of recreational swimming and beach holiday activities year-round.