Georgetown Weather in May
May in Georgetown brings high temperatures around 29°C (84°F) during the day, dropping to 26°C (79°F) at night, with quite a bit of rainfall expected, averaging around 104 mm (4.1 in) for the month.
Rainfall in Georgetown in May
Typically around 11 days of rainfall are expected, averaging 104 mm (4.1 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Georgetown in May
Daytime temperatures in Georgetown reach 29°C (84°F) in May, dropping to 26°C (79°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Georgetown in May
Enjoy a sunny month with about 278 hours of sunshine, the clear skies make Georgetown even more beautiful.
Average water temperature in May
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you prefer dry days with pleasant temperatures, January, February, March, April and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 May
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F)
Chance of Rain
38%
Precipitation
104 mm (4.1 in)
Rainy days
11 days
Humidity
77%
Sunshine
278 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Georgetown typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in May
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 May
Historical weather for Georgetown in May
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 May
According to our 34 years of weather records for Georgetown, the following extremes were recorded between 1992 and 2026.
- The warmest day in May was on May 18, 2020, with a maximum of 37°C (99°F).
- Georgetown experienced its chilliest May day on May 22, 2018, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in May was 13°C (55°F) (May 24, 2020).
Best Places in Cayman Islands in May
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 May →
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What to Wear in Georgetown in May
Warm temperatures in May 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. Prepare for significant rainfall with proper waterproof clothing and shoes. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Georgetown in May
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.
