Water temperature in Chetumal (QR) in December
Is it warm enough to swim in Chetumal in December? Average water temperature in Chetumal in December is 79.5°F and therefore suitable for comfortable swimming. The warmest sea in Chetumal in December is 83.5°F, and the coldest is 74.7°F. Average high air temperature in Chetumal in December is 84°F, and average low temperature is 66°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Chetumal
Changes water temperature in Chetumal in December 2025, 2024
To get an accurate forecast for the water temperature in Chetumal for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Chetumal, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of December.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| December 1 | 79.9°F | 80.8°F | 78.3°F | 83.5°F |
| December 2 | 80.4°F | 80.2°F | 78.4°F | 82.8°F |
| December 3 | 81.3°F | 79°F | 77°F | 83.1°F |
| December 4 | 81°F | 78.6°F | 75.7°F | 82.8°F |
| December 5 | 81.3°F | 78.6°F | 76.5°F | 82.9°F |
| December 6 | 81.5°F | 75.9°F | 75.9°F | 82.2°F |
| December 7 | 82.8°F | 76.8°F | 76.3°F | 82.8°F |
| December 8 | 82.4°F | 76.8°F | 76.1°F | 82.4°F |
| December 9 | 81.9°F | 77.4°F | 76.8°F | 82.4°F |
| December 10 | 81.9°F | 79.2°F | 76.6°F | 82.2°F |
| December 11 | 81.9°F | 79.5°F | 76.6°F | 81.9°F |
| December 12 | 81.5°F | 79.3°F | 77.4°F | 82.6°F |
| December 13 | 81.1°F | 79.3°F | 77.2°F | 81.9°F |
| December 14 | 80.6°F | 76.6°F | 76.6°F | 82.2°F |
| December 15 | 80.8°F | 78.4°F | 77°F | 82°F |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| December 16 | 79.9°F | 77.9°F | 77.4°F | 81.9°F |
| December 17 | 80.6°F | 78.6°F | 77.4°F | 82°F |
| December 18 | 80.1°F | 78.4°F | 75.6°F | 81.5°F |
| December 19 | 80.8°F | 78.4°F | 74.7°F | 81.7°F |
| December 20 | 80.2°F | 78.8°F | 75.2°F | 82.4°F |
| December 21 | 81°F | 78.4°F | 75.7°F | 81.7°F |
| December 22 | 81.3°F | 78.6°F | 75.9°F | 81.3°F |
| December 23 | 77.2°F | 76.3°F | 81.7°F | |
| December 24 | 77.4°F | 76.6°F | 81.3°F | |
| December 25 | 77.2°F | 77.2°F | 81.1°F | |
| December 26 | 77.4°F | 77.2°F | 81°F | |
| December 27 | 77.9°F | 77.5°F | 81°F | |
| December 28 | 78.6°F | 75.9°F | 80.8°F | |
| December 29 | 79.2°F | 77°F | 81.1°F | |
| December 30 | 77.9°F | 77°F | 81°F | |
| December 31 | 80.8°F | 77.5°F | 81.1°F |
Average water temperature in Chetumal in December over a decade
| 2015 | 2016 | 2017 | 2018 | 2019 |
| 80.8°F | 80.8°F | 79.3°F | 79.3°F | 80.6°F |
| 2020 | 2021 | 2022 | 2023 | 2024 |
| 79.2°F | 81°F | 81°F | 79.5°F | 78.4°F |
Chetumal sea state in December
Chart comparing the height of waves in Chetumal in December over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.
Weather and climate in Chetumal in December
This data display average monthly climate indicators in Chetumal in December based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
- Average HIGH temperature84°F
- Average LOW temperature66°F
- Average humidity
80 - Average rainfall days10 days
- Average rainfall66mm/2.6''
- Average daylight11h
- Average sunshine6.6h
- Average UV index8
Chetumal water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
