August weather forecastSpeightstown, Barbados

The Speightstown beach in Barbados with clear blue waters and semi-cloudy skies

August

Weather in August

August extends the rainy season with rainfall levels climbing to 159mm (6.26"). The constant sea temperature ensures frequent dips and water sports. An insignificantly small drop in daylight hours brings no change to outdoor plans. Despite the increase in rainfall, sunshine and temperature keep the vacation mood alive. With the highest rainfall of the year, August defines real tropical weather.

Temperature

With the shift into August, Speightstown maintains an average high temperature of a still tropical 30°C (86°F), reflecting the same thermal conditions as the previous month. Speightstown records an average nighttime low-temperature of 23°C (73.4°F) throughout August.

Rainfall

In Speightstown, in August, it is raining for 17 days, with typically 159mm (6.26") of accumulated precipitation. In Speightstown, during the entire year, the rain falls for 165 days and collects up to 1310mm (51.57") of precipitation.

Sea temperature

In Speightstown, Barbados, the average seawater temperature in August is 28°C (82.4°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

The average length of the day in August is 12h and 33min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:25. On the last day of August, sunrise is at 05:47 and sunset at 18:10 AST.

Sunshine

The average sunshine in August is 8h.

UV index

The months with the highest UV index in Speightstown are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 12 in August leads to these recommendations:
Put into action all important safeguards, unprotected skin may burn swiftly. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing. Apply and frequently reapply a broad-spectrum SPF 30+ sunscreen after every two hours, or immediately after a swim or outdoor exercise. Take caution! The UV rays from the Sun gain strength from sand and water reflections.

Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Speightstown during August are 30°C (86°F) and 23°C (73.4°F) respectively.

In Speightstown, during August, the rain falls for 17 days and regularly aggregates up to 159mm (6.26") of precipitation.

In August, the average sea temperature in Speightstown, Barbados, is 28°C (82.4°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.

In Speightstown, Barbados, the average day length in August is 12h and 33min.

In August, on the first day of the month, sunrise is at 05:43 and sunset at 18:25. On the last day of the month, in Speightstown, Barbados, sunrise is at 05:47 and sunset at 18:10 AST.

In August, the average sunshine duration in Speightstown is 8h.

February through September, with an average maximum UV index of 12, are months with the highest UV index in Speightstown, Barbados.

In Speightstown, the average daily maximum UV index in August is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from exposure to Sun's UV rays.

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Long-term

Year J F M A M J J August S O N D

Jul

August

Sep

Average high temperature

30°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in August
Speightstown, Barbados

Average high temperature in August: 30°C

The warmest month (with the highest average high temperature) is May (31°C).
The months with the lowest average high temperature are January and February (28°C).

Average low temperature in August: 23°C

The months with the highest average low temperature are May, June, July, August, September, October and November (23°C).
The coldest months (with the lowest average low temperature) are January, February and March (21°C).

Average rainfall in August
Speightstown, Barbados

Average rainfall in August: 159mm

The wettest month (with the highest rainfall) is November (188mm).
The driest month (with the least rainfall) is March (40mm).

Average rainfall days in August
Speightstown, Barbados

Average rainfall days in August: 17 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is April (8 days).

Average sea temperature in August
Speightstown, Barbados

Average sea temperature in August: 28°C

The best month for swimming (with the highest average sea temperature) is September (29°C).
The coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in August /
Average sunshine in August
Speightstown, Barbados

Average daylight in August: 12h and 36min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

Average sunshine in August: 8h

The months with the most sunshine are January, February, April and May (Average sunshine: 9h).
The month with the least sunshine is October (Average sunshine: 7h).

Average UV index in August
Speightstown, Barbados

Average UV index in August: 12

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).