Santiago de los Caballeros Weather in August

August in Santiago de los Caballeros brings very high temperatures, with highs of 33°C (91°F) and nights dropping to 22°C (72°F). Rainfall is on the higher side this month, averaging around 66 mm (2.6 in), so keep a rain jacket handy.

Rainfall in Santiago de los Caballeros in August

Historically, approximately 15 days this month are expected to have rain, averaging 66 mm (2.6 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Santiago de los Caballeros in August

If you're visiting Santiago de los Caballeros in August, expect highs of 33°C (91°F) and overnight lows around 22°C (72°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows of 22°C (72°F), the nights are warm and generally comfortable. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Sunshine in Santiago de los Caballeros in August

There are approximately 262 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Santiago de los Caballeros in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

August in Santiago de los Caballeros has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit the Dominican Republic, check out our Santiago de los Caballeros's climate page.

Santiago de los Caballeros Temperature in August

Min Temperature 22°C (72°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 51%  

Precipitation 66 mm (2.6 in)  

Rainy days 15 days  

Humidity 73% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 262 hours *  

Percentage Sunshine *  

* Data from: Santiago, the Dominican Republic (2 KM, 1 Miles).

Daily Historical Temperatures

47-year average (1976-2025)

Based on our historical records, temperatures in Santiago de los Caballeros typically stay consistent throughout August, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in August

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Daily Historical Precipitation

47-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

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Historical weather for Santiago de los Caballeros in August

Browse day-by-day weather records for Santiago de los Caballeros spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Santiago de los Caballeros historical weather extremes in August

Based on weather observations in Santiago de los Caballeros between 1994 and 2025, these are the recorded extremes during August.

• The warmest day in August was on August 10, 2019, with a maximum of 37°C (99°F).
• On August 25, 2012, Santiago de los Caballeros saw its coldest August day with temperatures maxing out at 24°C (75°F).
• Nighttime temperatures dropped to 20°C (68°F) on August 17, 2022, marking the coldest August night on record.

What to Wear in Santiago de los Caballeros in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Santiago de los Caballeros in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the Dominican Republic, check out our Santiago de los Caballeros's climate page.

More climate data for Santiago de los Caballeros

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Santiago de los Caballeros climate overview or explore weather in the Dominican Republic.