Monthly climate guide
George Town weather in December
December in George Town is typically hot, with average daytime highs around 27°C (81°F) and night-time lows near 26°C (79°F). The month usually brings about 42 mm of rain (fairly dry) and is a mix of sun and cloud. Daytime highs are about the same as November and about the same as January.
What stands out in December
- Outdoor swimming weather: around 27°C, mostly dry and sunny.
- Nights stay warm, rarely below 26°C — air-conditioning helps.
- Humidity near 78% makes 27°C feel stickier than it sounds.
- There's little difference between day and night (around 1°C).
Avg high
27°C
81°F
Avg low
26°C
79°F
Rainfall
42 mm
fairly dry
Humidity
78%
relative
Sky
44%
cloud · a mix of sun and cloud
George Town weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 26°C / 80°F | 25°C / 78°F | 32 mm | 78% | 48% |
| February | 27°C / 80°F | 25°C / 78°F | 13 mm | 77% | 34% |
| March | 27°C / 80°F | 26°C / 78°F | 13 mm | 76% | 33% |
| April | 28°C / 82°F | 27°C / 80°F | 17 mm | 77% | 35% |
| May | 28°C / 83°F | 27°C / 81°F | 76 mm | 79% | 51% |
| June | 29°C / 84°F | 28°C / 82°F | 92 mm | 81% | 66% |
| July | 30°C / 85°F | 29°C / 83°F | 56 mm | 79% | 55% |
| August | 30°C / 86°F | 29°C / 84°F | 85 mm | 78% | 58% |
| September | 30°C / 85°F | 29°C / 84°F | 93 mm | 78% | 61% |
| October | 29°C / 85°F | 28°C / 83°F | 150 mm | 78% | 62% |
| November | 28°C / 82°F | 27°C / 81°F | 72 mm | 78% | 53% |
| December | 27°C / 81°F | 26°C / 79°F | 42 mm | 78% | 44% |
What to pack for December
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A small travel umbrella, just in case
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is December a good time to visit George Town?
Compare the months in the chart above to find your ideal window.
Best time to visit George Town →Cite or embed this data
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George Town weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/cayman-islands/george-town/december
<a href="https://weathercompare.eu/weather/cayman-islands/george-town/december">George Town weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/cayman-islands/george-town" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="George Town weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/cayman-islands/george-town/december">George Town weather in December</a> – WeatherCompare</p>
George Town in December: quick answers
Is December a good time to visit George Town?
December is a reasonable time for George Town: highs around 27°C and about 42 mm of rain, though not one of the three best months.
How warm is George Town in December?
Average highs are about 27°C (81°F) and average lows about 26°C (79°F), based on 10 years of daily data.
Does it rain a lot in George Town in December?
George Town typically gets around 42 mm of rain in December — fairly dry.
Figures are long-term averages for the area around George Town (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.