August weather forecast
George Town, Cayman Islands

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The scenic waterfront in George Town, Cayman Islands
The scenic waterfront in George Town, Cayman Islands

Weather in August

August shows no marked change in temperature, maintaining the steady 30°C (86°F) recorded in previous months. The decline in rainfall to 114mm (4.49") indicates a moderate decrease compared to July. Sea temperature continues to remain warm, creating a bounty for rich aquatic life. Still, being a tropical paradise, the daylight hours are stationary yet naturally well lit. Consistent UV index emphasizes the import of sun-safe practices.

Temperature

The months of June through September see the peak of George Town's temperatures, averaging a high of 30°C (86°F).

Rainfall

In George Town, in August, it is raining for 8 days, with typically 114mm (4.49") of accumulated precipitation. Throughout the year, there are 80 rainfall days, and 1282mm (50.47") of precipitation is accumulated.

Sea temperature

The months with the warmest seawater are August and September, with an average sea temperature of 29.9°C (85.8°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

In George Town, Cayman Islands, the average length of the day in August is 12h and 46min.
On the first day of the month, sunrise is at 06:02 and sunset at 19:01. On the last day of August, in George Town, sunrise is at 06:10 and sunset at 18:40 EST.

Sunshine

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

UV index

March through August, with an average maximum UV index of 12, are months with the highest UV index in George Town. A UV Index of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, a daily UV index of 12 turns into the following recommendations:
Ensure every crucial precaution is taken. Individuals with light skin could experience burns in under 5 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Broad-spectrum SPF 30+ sunscreen must be generously applied and reapplied every two hours or post any outdoor activity or swim. Attention! UV radiation is markedly stronger with water and sand reflections.
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Frequently asked questions

What part of the year is the hottest in George Town?

June through September are known as George Town's warmest months, with an average high-temperature of 30°C (86°F).

How hot does it get in George Town in August?

August temperatures in George Town, Cayman Islands, vary between a high-temperature of 30°C (86°F) and a low-temperature of 27°C (80.6°F).

How many days does it rain in August in George Town?

In August, in George Town, Cayman Islands, the rain falls for 8 days. Throughout August, 114mm (4.49") of precipitation is accumulated.

What months are the sea warmest in George Town?

The months with the warmest seawater are August and September, with an average sea temperature of 29.9°C (85.8°F).

What is the water temperature in August in George Town?

In George Town, the average seawater temperature in August is 29.9°C (85.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

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

In August, the average day length in George Town, Cayman Islands, is 12h and 46min.

When is the sunrise / sunset in August in George Town?

On the first day of August in George Town, Cayman Islands, sunrise is at 06:02 and sunset at 19:01. On the last day of the month, sunrise is at 06:10 and sunset at 18:40 EST.

How long on average sun shines in August in George Town?

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

What are the months 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.

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

In August, the average daily maximum UV index in George Town is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
George Town, Cayman Islands

Average temperature in August - George Town, Cayman Islands
  • Average high temperature in August: 30°C

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

  • Average low temperature in August: 27°C

The 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).

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Average rainfall in August
George Town, Cayman Islands

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

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

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Average rainfall days in August
George Town, Cayman Islands

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).
The months with the least rainy days are February, March and April (4 days).

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Average sea temperature in August
George Town, Cayman Islands

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

The 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).

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Average daylight in August /
Average sunshine in August
George Town, Cayman Islands

Average daylight in August / Average sunshine in August - George Town, Cayman Islands
  • Average daylight in August: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in August: 8h

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

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Average UV index in August
George Town, Cayman Islands

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

The 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).

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George Town, Cayman Islands

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