San Juan (Punta Caña)
August
Weather in San Juan for August 2027
Your guide to San Juan weather in August - trends and predictions
In general, the average temperature in San Juan at the beginning of August is 31.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 31.5 °C by the end of August.
San Juan in August brings notable rainfall, with an average of 17 rainy days and a total precipitation of 132.3 mm.
Is August a good time to visit San Juan? check out the best time to travel to San Juan page.
Temperatures
Rain 🌧️
More
14
Dry days
17
Rainy days
0
Snow days
32°/19°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
San Juan Weather August
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Temperatures trend during August in San Juan
See the weather trend as well as the moving average line
August weather in San Juan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Torrential rain shower | 31° /19° | 13.6 mm | 9 | |
| 2 Aug. |  Light rain | 32° /19° | 7.4 mm | 8 | |
| 3 Aug. |  Moderate or heavy rain shower | 30° /18° | 6.6 mm | 9 | |
| 4 Aug. |  Light rain shower | 31° /18° | 2 mm | 9 | |
| 5 Aug. |  Patchy light rain with thunder | 33° /19° | 2.4 mm | 10 | |
| 6 Aug. | Torrential rain shower | 32° /19° | 9.9 mm | 8 | |
| 7 Aug. | Light rain | 32° /19° | 3 mm | 9 | |
| 8 Aug. | Light rain | 32° /20° | 2.9 mm | 10 | |
| 9 Aug. | Light rain | 32° /19° | 7.6 mm | 10 | |
| 10 Aug. | Light rain | 31° /18° | 8.8 mm | 10 | |
| 11 Aug. | Patchy rain possible | 32° /18° | 2.2 mm | 10 | |
| 12 Aug. | Light rain | 33° /19° | 3 mm | 10 | |
| 13 Aug. | Patchy rain possible | 32° /18° | 2.2 mm | 9 | |
| 14 Aug. | Patchy rain possible | 33° /18° | 0.3 mm | 10 | |
| 15 Aug. | Patchy rain possible | 33° /17° | 1 mm | 10 | |
| 16 Aug. | Patchy rain possible | 33° /18° | 0.2 mm | 10 | |
| 17 Aug. | Patchy rain possible | 30° /18° | 2.4 mm | 8 | |
| 18 Aug. | Light rain | 30° /19° | 3.3 mm | 8 | |
| 19 Aug. | Moderate or heavy rain shower | 30° /19° | 9 mm | 9 | |
| 20 Aug. | Patchy light rain with thunder | 32° /19° | 5.6 mm | 10 | |
| 21 Aug. | Patchy rain possible | 31° /19° | 0.3 mm | 9 | |
| 22 Aug. | Patchy rain possible | 32° /20° | 1 mm | 10 | |
| 23 Aug. | Light rain | 31° /20° | 3.5 mm | 7 | |
| 24 Aug. | Patchy rain possible | 31° /19° | 1.2 mm | 6 | |
| 25 Aug. | Patchy rain possible | 33° /19° | 2.1 mm | 8 | |
| 26 Aug. | Light rain | 32° /18° | 3.1 mm | 9 | |
| 27 Aug. | Patchy rain possible | 31° /19° | 2 mm | 6 | |
| 28 Aug. | Torrential rain shower | 30° /18° | 13.2 mm | 9 | |
| 29 Aug. | Light rain | 32° /18° | 4 mm | 8 | |
| 30 Aug. |  Thundery outbreaks possible | 32° /18° | 2 mm | 9 | |
| 31 Aug. | Patchy light rain with thunder | 31° /18° | 6.6 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for San Juan in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Juan forecast closer to your planned date for the most up-to-date weather information.
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San Juan in August - FAQ
What are the expected maximum and minimum temperatures in San Juan during August?
Expect warm days with temperatures around 32°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in San Juan during August?
Significant rainfall exceeding 132.3 mm is expected in San Juan during August, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Juan during August?
The average wind speed in San Juan during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
San Juan water temperatures in August
The average water temperature of the Caribbean Sea near San Juan in August is 27.9 °C. At the beginning of August temperatures are around 27.3 °C; by the end of the month they get a bit warmer and reach 28.3 °C.
- What is the water temperature in San Juan in August?
- The average water temperature in San Juan in August is 27.9 °C.
- Can you swim in San Juan in August?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.
August rainfall patterns in San Juan
Explore the daily rainfall trends and prepare for San Juans August weather 💧
Typically, San Juan has 17 rainy days in August with a total of 132.3 mm of rainfall.
UV exposure in San Juan during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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