August weather forecast
Santo Antonio, São Tomé and Príncipe

August sees a slight increase in rainfall in Santo Antonio from 21mm (0.83") to 36mm (1.42") but continues to remain drier compared to other months. The weather conditions resemble those in July but with a slight increase in precipitation. Average daylight hours stay from 12.2h to 12.1h, ensuring ample sunlight despite the incremental rain. Although August's sea temperature mirrors the previous month's averages, pleasant dips in the ocean remain viable. Due to high UV levels, protective measures should continue to be a priority.

Temperature

With the arrival of August, Santo Antonio's average high-temperature registers at a still moderately hot 27.1°C (80.8°F), indicating a subtle variation from the previous month. Santo Antonio's nighttime temperature in August falls to an average of 20.4°C (68.7°F).

Heat index

August's average heat index is computed to be a hot 30°C (86°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The months with the lowest humidity in Santo Antonio are June through August, with an average relative humidity of 83%.

Rainfall

In Santo Antonio, in August, it is raining for 12 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Santo Antonio, there are 188 rainfall days, and 1872mm (73.7") of precipitation is accumulated.

Sea temperature

July through September, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.
Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

In August, the average length of the day is 12h and 10min.
On the first day of August in Santo Antonio, sunrise is at 05:30 and sunset at 17:42. On the last day of the month, sunrise is at 05:26 and sunset at 17:34 GMT.

Sunshine

In Santo Antonio, São Tomé and Príncipe, the average sunshine in August is 3h.

UV index

January through May, August through November, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily UV index of 12 turns into the following recommendations:
Enforce every vital precaution. Those with light skin could endure burns in a matter of minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Broad-spectrum SPF 30+ sunscreen must be generously applied and reapplied every two hours or post any outdoor activity or swim. Stay cautious! Sand and water reflections increase UV radiation potency.