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Dominican RepublicThe weather in August in San Juan
It's hot in August in San Juan with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 22°C and 25°C.
Looking for sun? August isn’t a good month to be in San Juan. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for San Juan, Dominican Republic. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2017, San Juan reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 25°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 27°C.
Rainfall amount
In August, there is an average of 203 mm of precipitation, spread over 20 days. The wind speed is around 4 Bft, mostly coming from the East.
Daily weather in August for San Juan
Click on any day in August to get detailed info about the usual weather on that day in San Juan. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| San Juan | New York | |
|---|---|---|
| Average temperature | 33°C | 30°C |
| Max. temperature | 33°C | 31°C |
| Min. temperature | 22°C | -5°C |
| Total precipitation | 203 mm | 79 mm |
| Rainy days | 20 days | 13 days |
Start of August
The month of August starts in San Juan with hot temps, averaging around 33°C during the day and nights around 24°C.
Mid August
By mid-August, daytime temps stay steady at around 33°C, with nights around 24°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of August
By the end of August, the average daytime temperature in San Juan is around 33°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in San Juan runs from June to November.
Check out the climate of San Juan for all months and discover the best travel time
Curious about the weather in other parts of Dominican Republic? Check out the climate and weather for spots like Punta Cana, Puerto Plata, Bávaro, or explore other destinations in Dominican Republic.
Temperature charts
These charts show the average temperatures in August in San Juan, Dominican Republic. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in San Juan
Temperature in August in San Juan over the years
Precipitation charts
These charts show the average amount of precipitation in August in San Juan, Dominican Republic. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in San Juan
Total precipitation in August in San Juan over the years
Daily UV index in August in San Juan
This chart shows the average daily UV index in August in San Juan, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in San Juan
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Average weather in San Juan by month
Click on a month below to see detailed weather info for San Juan. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.