George Town
Cayman Islands
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
George Town, Cayman Islands

The scenic waterfront in George Town, Cayman Islands, viewed from the water on a warm sunny day
The scenic waterfront in George Town, Cayman Islands, viewed from the water on a warm sunny day
The last month of the summer, August, is also a hot month in George Town, Cayman Islands, with average temperature varying between 30°C (86°F) and 27°C (80.6°F).

Temperature

June through September, with an average high-temperature of 30°C (86°F), are the warmest months.

Rainfall

In August, the rain falls for 8 days. Throughout August, 114mm (4.5") of precipitation is accumulated. Throughout the year, there are 80 rainfall days, and 1282mm (50.5") of precipitation is accumulated.

Sea temperature

Months with the warmest seawater are August and September, with an average sea temperature of 29.9°C (85.8°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in George Town is 12.8h.

Sunshine

In George Town, the average sunshine in August is 8h.

UV index

Months with the highest UV index are March through August, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the warmest month in George Town?

Warmest months in George Town are June through September, with an average high-temperature of 30°C (86°F).

What is the temperature in August in George Town?

The average high-temperature, in August, is 30°C (86°F), while the average low-temperature is 27°C (80.6°F).

How much does it rain in George Town in August?

In George Town, Cayman Islands, in August, during 8 rainfall days, 114mm (4.5") of precipitation is typically accumulated.

When is the sea warmest in George Town?

Months with the warmest seawater in George Town are August and September, with an average sea temperature of 29.9°C (85.8°F).

What is the sea water temperature in August in George Town?

In George Town, Cayman Islands, the average seawater temperature in August is 29.9°C (85.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in August in George Town?

The average length of the day in August in George Town is 12.8h.

How many hours of sunshine does George Town have in August?

In George Town, Cayman Islands, the average sunshine in August is 8h.

What is the month with the highest UV index in George Town?

March through August, with an average maximum UV index of 12, are months with the highest UV index in George Town.

How high is the UV index in August in George Town?

In August, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in August - George Town, Cayman Islands
  • Average high temperature in August: 30°C

Warmest months (with the highest average high temperature) are June, July, August and September (30°C).
Months with the lowest average high temperature are January and February (26°C).

  • Average low temperature in August: 27°C

Months with the highest average low temperature are June, July and August (27°C).
The coldest month (with the lowest average low temperature) is February (22°C).

Average rainfall in August - George Town, Cayman Islands
  • Average rainfall in August: 114mm

The wettest month (with the highest rainfall) is October (226mm).
Driest months (with the lowest rainfall) are February and April (13mm).

Average rainfall days in August - George Town, Cayman Islands
  • Average rainfall days in August: 8 days

The month with the highest number of rainy days is October (10 days).
Months with the lowest number of rainy days are February, March and April (4 days).

Average sea temperature in August - George Town, Cayman Islands
  • Average sea temperature in August: 29.9°C

Best months for swimming (with the highest average sea temperature) are August and September (29.9°C).
The coldest month (with the lowest average sea temperature) is February (26.5°C).

Average daylight in August / Average sunshine in August - George Town, Cayman Islands
  • Average daylight in August: 12.8h

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in August: 8h

The month with most sunshine is April (Average sunshine: 10h).
Months with least sunshine are November and December (Average sunshine: 7).

Average UV index in August - George Town, Cayman Islands
  • Average UV index in August: 12

Months with the highest UV index are March, April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 7).