Old Man Bay Weather in August

Old Man Bay in August sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 28°C (82°F). Rainfall is fairly high at around 98 mm (3.9 in) on average, so pack waterproofs just in case.

Rainfall in Old Man Bay in August

Historically, the month has about 15 days of rain, averaging 98 mm (3.9 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Old Man Bay in August

If you're visiting Old Man Bay in August, expect highs of 31°C (88°F) and overnight lows around 28°C (82°F). It's usually most comfortable outside during the morning and later in the day. Nights are warm at 28°C (82°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down. The average temperatures are warm, but some days will be hotter. Make sure to dress in light, breathable clothing and drink plenty of water.

Sunshine in Old Man Bay in August

The city usually sees around 249 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Average water temperature in August

At 30°C (86°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.

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 Old Man Bay's climate page.

Old Man Bay Temperature in August

Min Temperature 28°C (82°F)  

Max Temperature 31°C (88°F)  

Water Temperature 30°C (86°F) *  

Chance of Rain 49%  

Precipitation 98 mm (3.9 in)  

Rainy days 15 days  

Humidity 78% *  

Sunshine 249 hours *  

Percentage Sunshine *  

* Data from: Georgetown, Cayman Islands (21 KM, 13 Miles).

What to Wear in Old Man Bay 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. With water temperatures around 30°C (86°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Old Man Bay 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 Old Man Bay's climate page.

More climate data for Old Man Bay

Temperature Rainfall Sunshine Humidity Water Temp

See the full Old Man Bay climate overview or explore weather in Cayman Islands.