All data are in degrees Fahrenheit

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Water temperature in Cancún

Detailed information about the current water temperature in Cancún. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Cancún now

80.3

°F

April 12, 14:57

Trend:

stable

Yesterday:

80.8°F

Tomorrow:

80.4°F

Sunrise:

06:31

Sunset:

19:06

Day Length:

12 h. 35 min.

Cancún in April

Minimum:

79.4°F

Average:

80.3°F

Maximum:

81.0°F

Sea water temperature in Cancún today

As of now, in Cancún, the water temperature is 80.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 81.1°F on 2023, while the historical minimum was 79.7°F on 2025.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 80.7°F, with minimum temperature starting at 80.4°F, while the maximum might reach 80.9°F.

Daily water temperature in Cancún

Date Current Year

actual* / forecast**

last year 10 years average
Mar 29 79.7°F 80.8°F 80.1°F
Mar 30 79.5°F 80.8°F 80.1°F
Mar 31 79.6°F 81.5°F 80.2°F
Apr 1 80.0°F 81.1°F 80.4°F
Apr 2 79.7°F 81.1°F 80.4°F
Apr 3 79.5°F 81.4°F 80.4°F
Apr 4 79.7°F 81.5°F 80.6°F
Apr 5 79.7°F 81.3°F 80.4°F
Apr 6 79.6°F 80.9°F 80.4°F
Apr 7 79.5°F 80.9°F 80.4°F
Apr 8 79.8°F 80.4°F 80.6°F
Apr 9 80.2°F 79.6°F 80.5°F
Apr 10 80.0°F 79.5°F 80.4°F
Apr 11 80.8°F 79.5°F 80.3°F
Apr 12 80.3°F 79.7°F 80.4°F
Apr 13 80.4°F 79.8°F 80.5°F
Apr 14 80.5°F 79.7°F 80.6°F
Apr 15 80.5°F 79.3°F 80.6°F
Apr 16 80.9°F 80.1°F 81.0°F
Apr 17 80.9°F 81.4°F 81.0°F
Apr 18 80.9°F 80.6°F 81.0°F
Apr 19 80.9°F 81.0°F 81.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Cancún by month

In Cancún, the water temperature is comfortable for swimming all year round.
The warmest water in Cancún was recorded on August 12, 2023, reaching a 87.1°F. While the coldest temperature occurred on February 8, 2026, dipping to 77.7°F. The average readings by season are 80.0°F in Winter, 81.0°F in Spring, 84.4°F in Summer, and 84.0°F in Autumn.