Grand Cayman weather in August

Grand Cayman is a region in Cayman Islands. Are you planning a trip to Grand Cayman in August and wondering what kind of weather to expect? Look no further than this page for all the information you need.

What is the weather like in Grand Cayman in August?

During August in Grand Cayman, the average maximum temperature varies from high in Gun Bay with 29°C (85°F) to very high in West Bay with 33°C (91°F). These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

Precipitation in August varies from high in West Bay with an average of 147mm (5.8 inches) of rainfall to heavy in George Town with 173mm (6.8 inches).

Where to go in Grand Cayman in August

Find the average weather conditions in August for the most popular destinations in Grand Cayman on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

Popular destinations in Grand Cayman

What is the weather like in August for the 3 most popular destinations in Grand Cayman?

Average weather in West Bay

In August West Bay generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are tolerable that month.

West Bay
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
33°C / 91°F 
25°C / 78°F 
143mm / 5.6" 
14 days 
33°C / 91°F 
25°C / 77°F 
147mm / 5.8" 
15 days 
33°C / 91°F 
25°C / 77°F 
177mm / 6.9" 
16 days 
Climate in West Bay

Average weather in Gun Bay

In August Gun Bay generally has high temperatures with maximum daytime temperatures around 29°C (85°F), minimum nighttime temperatures around 28°C (82°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

Gun Bay
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
29°C / 84°F 
27°C / 81°F 
173mm / 6.8" 
14 days 
29°C / 85°F 
28°C / 82°F 
172mm / 6.8" 
15 days 
29°C / 84°F 
27°C / 81°F 
206mm / 8.1" 
16 days 
Climate in Gun Bay

Average weather in George Town

In August George Town generally has high temperatures with maximum daytime temperatures around 29°C (85°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

George Town
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
29°C / 84°F 
27°C / 81°F 
173mm / 6.8" 
15 days 
29°C / 85°F 
27°C / 81°F 
173mm / 6.8" 
15 days 
29°C / 84°F 
27°C / 81°F 
209mm / 8.2" 
16 days 
Climate in George Town

Is your destination not in the list? Have a look at other destinations in Grand Cayman, in Cayman Islands.

Is August the best time to go to Grand Cayman?

In our opinion August is not the best time to visit Grand Cayman with commonly tolerable weather in West Bay.

On average the best time to visit Grand Cayman is in January and April with generally perfect weather in West Bay. The worst months are May, June, July, August, September, October and November that can have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Grand Cayman. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Cayman Islands? Get detailed historical weather averages for many cities in Cayman Islands.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.