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

85.2

°F

July 8, 02:03

Trend:

increasing

Yesterday:

85.2°F

Tomorrow:

85.3°F

Sunrise:

06:12

Sunset:

19:33

Day Length:

13 h. 21 min.

Cancún in July

Minimum:

79.2°F

Average:

80.0°F

Maximum:

81.1°F

Sea water temperature in Cancún today

As of now, in Cancún, the water temperature is 85.2°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.7°F higher than 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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 85.5°F on 2016, while the historical minimum was 83.6°F on 2018.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Cancún

Date Current Year

actual* / forecast**

last year 10 years average
Jun 24 83.5°F 84.7°F 83.6°F
Jun 25 84.1°F 84.1°F 83.6°F
Jun 26 84.1°F 84.2°F 83.7°F
Jun 27 83.8°F 84.0°F 83.8°F
Jun 28 83.9°F 83.9°F 83.9°F
Jun 29 83.8°F 83.8°F 84.0°F
Jun 30 84.1°F 83.6°F 84.0°F
Jul 1 84.0°F 83.9°F 84.1°F
Jul 2 84.4°F 83.9°F 84.1°F
Jul 3 84.5°F 84.1°F 84.3°F
Jul 4 84.9°F 84.1°F 84.5°F
Jul 5 85.0°F 83.7°F 84.5°F
Jul 6 85.0°F 84.3°F 84.5°F
Jul 7 85.2°F 84.4°F 84.5°F
Jul 8 85.2°F 84.3°F 84.5°F
Jul 9 85.3°F 84.1°F 84.5°F
Jul 10 85.1°F 83.8°F 84.4°F
Jul 11 85.1°F 84.4°F 84.4°F
Jul 12 85.1°F 84.3°F 84.3°F
Jul 13 85.2°F 84.5°F 84.5°F
Jul 14 85.3°F 84.6°F 84.6°F
Jul 15 85.3°F 84.9°F 84.6°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.