Georgetown Weather in December
December in Georgetown typically sees daytime highs of 28°C (82°F) and nighttime lows of 25°C (77°F). Expect some rainfall during the month.
Rainfall in Georgetown in December
You can typically expect 12 days of rain this month, averaging around 56 mm (2.2 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Georgetown in December
Weather in Georgetown is at its perfect in December. Highs reach 28°C (82°F), while nights settle around 25°C (77°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Georgetown in December
Expect sunny days throughout the month, with an estimated 216 hours of sunshine. This makes it a pleasant time to visit Georgetown.
Average water temperature in December
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cayman Islands, check out our Georgetown's climate page.
Georgetown Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Water Temperature
28°C (82°F)
Chance of Rain
39%
Precipitation
56 mm (2.2 in)
Rainy days
12 days
Humidity
78%
Sunshine
216 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Georgetown typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Georgetown in December
Browse day-by-day weather records for Georgetown spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Georgetown historical weather extremes in December
According to our 27 years of weather records for Georgetown, the following extremes were recorded between 1998 and 2025.
- On December 6, 2002, temperatures climbed to 32°C (90°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 23°C (73°F), recorded on December 15, 2010.
- The coldest night in December in Georgetown was on December 1, 2022, with a minimum of 11°C (52°F).
Best Places in Cayman Islands in December
Find out more about the weather in Cayman Islands and which places have the best travel conditions in this month. See all of Cayman Islands in December →
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What to Wear in Georgetown in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Georgetown in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cayman Islands, check out our Georgetown's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Georgetown climate overview or explore weather in Cayman Islands.
