Georgetown Weather in August

Georgetown in August sees very high temperatures, with highs around 30°C (86°F) and overnight lows of 27°C (81°F). Rainfall is fairly high at around 99 mm (3.9 in) on average, so pack waterproofs just in case.

Rainfall in Georgetown in August

On average, there are about 15 days with rain during this month, averaging 99 mm (3.9 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Georgetown in August

August in Georgetown brings very high temperatures, with highs of 30°C (86°F) and nights around 27°C (81°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.

Sunshine in Georgetown in August

Enjoy a sunny month with about 249 hours of sunshine, the clear skies make Georgetown even more beautiful.

Average water temperature in August

At 30°C (86°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.

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.

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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 August

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 30°C (86°F)  

Chance of Rain 50%  

Precipitation 99 mm (3.9 in)  

Rainy days 15 days  

Humidity 78%  

Sunshine 249 hours  

Percentage Sunshine  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Georgetown typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).

Average temperatures in August

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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 August

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Historical weather for Georgetown in August

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.

Historical weather Temperatures Precipitation

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Georgetown historical weather extremes in August

Based on 31 years of weather observations in Georgetown between 1994 and 2025, these are the recorded extremes.

• Georgetown recorded its highest August temperature of 35°C (95°F) on August 20, 2024.
• On August 9, 1997, Georgetown saw its coldest August day with temperatures maxing out at 28°C (82°F).
• The coldest night in August in Georgetown was on August 8, 2019, with a minimum of 20°C (68°F).

What to Wear in Georgetown in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 30°C (86°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. 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 August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Cayman Islands, check out our Georgetown's climate page.

More climate data for Georgetown

Temperature Rainfall Sunshine Humidity Water Temp

See the full Georgetown climate overview or explore weather in Cayman Islands.