Santo Domingo
Dominican Republic
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Santo Domingo, Dominican Republic

The Palace building in Santo Domingo, housing the National offices of the President and Vice President of the Dominican Republic
The Palace building in Santo Domingo, housing the National offices of the President and Vice President of the Dominican Republic
August, the last month of the summer, in Santo Domingo, is also a hot month, with average temperature ranging between min 22.7°C (72.9°F) and max 31.5°C (88.7°F).

Temperature

August is the warmest month, with an average high-temperature of 31.5°C (88.7°F) and an average low-temperature of 22.7°C (72.9°F).

Heat index

In August, the average heat index is estimated at a blistering 44.4°C (111.9°F). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in Santo Domingo, Dominican Republic, is 84.6%.

Rainfall

In Santo Domingo, Dominican Republic, it is raining for 12 days, with typically 177.4mm (7") of accumulated precipitation. In Santo Domingo, during the entire year, the rain falls for 115.4 days and collects up to 1447.1mm (57") of precipitation.

Sea temperature

In Santo Domingo, in August, the average water temperature is 29°C (84.2°F).
Note: 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.

Daylight

The average length of the day in August is 12.7h.

Sunshine

In Santo Domingo, the average sunshine in August is 6.9h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 12 in August interpret into the following advice:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the warmest month in Santo Domingo?

With an average high-temperature of 31.5°C (88.7°F) and an average low-temperature of 22.7°C (72.9°F), August is the warmest month in Santo Domingo, Dominican Republic.

What is the temperature in August in Santo Domingo?

In August, in Santo Domingo, the average high-temperature is 31.5°C (88.7°F), and the average low-temperature is 22.7°C (72.9°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that combines relative humidity and air temperature, is evaluated at 44.4°C (111.9°F).

What is the average humidity in August in Santo Domingo?

In August, the average relative humidity in Santo Domingo, Dominican Republic, is 84.6%.

How much does it rain in Santo Domingo in August?

In Santo Domingo, Dominican Republic, in August, during 12 rainfall days, 177.4mm (7") of precipitation is typically accumulated.

How warm is the water in August in Santo Domingo?

In Santo Domingo, Dominican Republic, the average seawater temperature in August is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in August in Santo Domingo?

In Santo Domingo, Dominican Republic, the average length of the day in August is 12.7h.

How long on average sun shines in August in Santo Domingo?

The average sunshine in August in Santo Domingo is 6.9h.

When is the highest UV index in Santo Domingo?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Santo Domingo.

What is the UV index intensity in August in Santo Domingo?

In August, the average daily maximum UV index in Santo Domingo, Dominican Republic, is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in August - Santo Domingo, Dominican Republic
  • Average high temperature in August: 31.5°C

The warmest month (with the highest average high temperature) is August (31.5°C).
Months with the lowest average high temperature are January and February (29.2°C).

  • Average low temperature in August: 22.7°C

The month with the highest average low temperature is June (22.9°C).
The coldest month (with the lowest average low temperature) is January (19.6°C).

Average humidity in August - Santo Domingo, Dominican Republic
  • Average humidity in August: 84.6%

The month with the highest relative humidity is October (85.7%).
The month with the lowest relative humidity is April (78.8%).

Average rainfall in August - Santo Domingo, Dominican Republic
  • Average rainfall in August: 177.4mm

The wettest month (with the highest rainfall) is May (187.7mm).
The driest month (with the lowest rainfall) is March (53.8mm).

Average rainfall days in August - Santo Domingo, Dominican Republic
  • Average rainfall days in August: 12 days

The month with the highest number of rainy days is October (13 days).
Months with the lowest number of rainy days are February and March (6.3 days).

Average sea temperature in August - Santo Domingo, Dominican Republic
  • Average sea temperature in August: 29°C

The best month for swimming (with the highest average sea temperature) is September (29.3°C).
Coldest months (with the lowest average sea temperature) are February and March (26.3°C).

Average daylight in August / Average sunshine in August - Santo Domingo, Dominican Republic
  • Average daylight in August: 12.7h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in August: 6.9h

The month with most sunshine is March (Average sunshine: 7.4h).
Months with least sunshine are January and December (Average sunshine: 5.7).

Average UV index in August - Santo Domingo, Dominican Republic
  • Average UV index in August: 12

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