Grand Cayman
December
Weather in Grand Cayman for December 2025
Your guide to Grand Cayman weather in December - trends and predictions
In general, the average temperature in Grand Cayman at the beginning of December is 26.4 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 26.4 °C by the end of December.
Grand Cayman experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 59.7 mm.
Temperatures
Rain 🌧️
6
Dry days
25
Rainy days
0
Snow days
27°/25°
Temperatures
32 km/h
Avg max wind
83 %
Avg humidity
Grand Cayman Weather December
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Temperatures trend during December in Grand Cayman
See the weather trend as well as the moving average line
December weather in Grand Cayman day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate or heavy rain shower | 27° /26° | 5.7 mm | 6 | |
| 2 Dec. |  Patchy rain possible | 26° /25° | 0.3 mm | 6 | |
| 3 Dec. | Patchy rain possible | 26° /25° | 0.3 mm | 6 | |
| 4 Dec. | Patchy rain possible | 26° /24° | 0.2 mm | 6 | |
| 5 Dec. | Patchy rain possible | 27° /25° | 0.2 mm | 6 | |
| 6 Dec. | Patchy rain possible | 27° /26° | 0.1 mm | 6 | |
| 7 Dec. | Patchy rain possible | 26° /25° | 0.3 mm | 6 | |
| 8 Dec. | Patchy rain possible | 27° /24° | 0.2 mm | 6 | |
| 9 Dec. | Moderate rain at times | 27° /25° | 1.4 mm | 6 | |
| 10 Dec. | Moderate rain at times | 29° /26° | 1.9 mm | 6 | |
| 11 Dec. |  Partly cloudy | 27° /27° | 0.2 mm | 7 | |
| 12 Dec. | Moderate rain at times | 27° /25° | 1.2 mm | 6 | |
| 13 Dec. | Patchy rain possible | 28° /26° | 1 mm | 6 | |
| 14 Dec. |  Overcast | 26° /25° | 0.6 mm | 6 | |
| 15 Dec. | Patchy rain possible | 28° /25° | 1.4 mm | 6 | |
| 16 Dec. |  Heavy rain at times | 28° /26° | 4.7 mm | 6 | |
| 17 Dec. | Moderate or heavy rain shower | 27° /26° | 11 mm | 6 | |
| 18 Dec. | Patchy rain possible | 29° /25° | 0.4 mm | 6 | |
| 19 Dec. | Patchy rain possible | 27° /25° | 1.7 mm | 6 | |
| 20 Dec. | Moderate rain at times | 26° /25° | 1.9 mm | 6 | |
| 21 Dec. | Patchy rain possible | 25° /24° | 1.1 mm | 6 | |
| 22 Dec. | Moderate rain at times | 26° /24° | 2.7 mm | 6 | |
| 23 Dec. | Moderate rain at times | 25° /25° | 2 mm | 6 | |
| 24 Dec. | Patchy rain possible | 27° /26° | 2 mm | 6 | |
| 25 Dec. | Moderate rain at times | 27° /25° | 9.2 mm | 6 | |
| 26 Dec. | Patchy rain possible | 26° /25° | 0.7 mm | 6 | |
| 27 Dec. | Heavy rain at times | 26° /26° | 4.9 mm | 6 | |
| 28 Dec. | Patchy rain possible | 27° /26° | 0.3 mm | 6 | |
| 29 Dec. | Patchy rain possible | 26° /26° | 1.2 mm | 6 | |
| 30 Dec. | Patchy rain possible | 27° /26° | 0.9 mm | 6 | |
| 31 Dec. |  Thundery outbreaks possible | 26° /24° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Grand Cayman in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grand Cayman forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grand Cayman in December - FAQ
What are the expected maximum and minimum temperatures in Grand Cayman during December?
During December, expect a variety of temperatures with highs around 27° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grand Cayman during December?
Moderate rainfall is anticipated in Grand Cayman during December, with a total of 59.7 mm spread over approximately 25 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Grand Cayman during December?
The average wind speed in Grand Cayman during December is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Grand Cayman
Explore the daily rainfall trends and prepare for Grand Caymans December weather 💧
UV exposure in Grand Cayman during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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