Weather in Puerto Rico for August 2025
In general, the average temperature in Puerto Rico at the beginning of August is 31.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 31.7 °C by the end of August.
Puerto Rico experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
Is August a good time to visit Puerto Rico? check out the best time to travel to Puerto Rico page.
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Puerto Rico in August average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2 31° | 3  32° | ||||
| 4  31° | 5  31° | 6 31° | 7 31° | 8 32° | 9 32° | 10 30° |
| 11  32° | 12 31° | 13 31° | 14 29° | 15 31° | 16 31° | 17 31° |
| 18 32° | 19 31° | 20 30° | 21 30° | 22 30° | 23 31° | 24 32° |
| 25 31° | 26 32° | 27  32° | 28 32° | 29 32° | 30 32° | 31 31° |
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Temperatures trend during August in Puerto Rico
August weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Moderate or heavy rain shower | 33° /25° | 7.1 mm | 7 | |
| 2 Aug. | Moderate or heavy rain shower | 31° /25° | 7.8 mm | 7 | |
| 3 Aug. | Heavy rain at times | 32° /25° | 1.5 mm | 7 | |
| 4 Aug. | Patchy rain possible | 31° /25° | 1.3 mm | 7 | |
| 5 Aug. | Cloudy | 31° /25° | 0.8 mm | 7 | |
| 6 Aug. | Moderate or heavy rain shower | 31° /25° | 3.3 mm | 7 | |
| 7 Aug. | Moderate or heavy rain shower | 31° /25° | 5.8 mm | 7 | |
| 8 Aug. | Moderate or heavy rain shower | 32° /25° | 7.5 mm | 7 | |
| 9 Aug. | Moderate or heavy rain shower | 32° /25° | 4.7 mm | 7 | |
| 10 Aug. | Moderate or heavy rain shower | 30° /25° | 9.9 mm | 7 | |
| 11 Aug. | Overcast | 32° /24° | 0.1 mm | 7 | |
| 12 Aug. | Moderate rain at times | 31° /25° | 1.4 mm | 7 | |
| 13 Aug. | Patchy rain possible | 31° /25° | 3.6 mm | 7 | |
| 14 Aug. | Patchy rain possible | 29° /25° | 12.9 mm | 7 | |
| 15 Aug. | Patchy rain possible | 31° /26° | 0.3 mm | 7 | |
| 16 Aug. | Patchy rain possible | 31° /25° | 1.2 mm | 7 | |
| 17 Aug. | Moderate or heavy rain shower | 31° /25° | 3.9 mm | 7 | |
| 18 Aug. | Patchy rain possible | 32° /26° | 1.4 mm | 7 | |
| 19 Aug. | Patchy rain possible | 31° /25° | 1.4 mm | 7 | |
| 20 Aug. | Patchy rain possible | 30° /25° | 2.9 mm | 7 | |
| 21 Aug. | Moderate or heavy rain shower | 30° /25° | 6.5 mm | 7 | |
| 22 Aug. | Moderate or heavy rain shower | 30° /24° | 8.6 mm | 7 | |
| 23 Aug. | Patchy rain possible | 31° /25° | 1.7 mm | 7 | |
| 24 Aug. | Moderate rain at times | 32° /25° | 1.9 mm | 7 | |
| 25 Aug. | Moderate or heavy rain shower | 31° /25° | 5.2 mm | 7 | |
| 26 Aug. | Light rain shower | 32° /24° | 2.2 mm | 7 | |
| 27 Aug. | Thundery outbreaks possible | 32° /25° | 0.1 mm | 8 | |
| 28 Aug. | Overcast | 32° /25° | 1.1 mm | 7 | |
| 29 Aug. | Cloudy | 32° /26° | 0.4 mm | 7 | |
| 30 Aug. | Thundery outbreaks possible | 32° /26° | 0.8 mm | 7 | |
| 31 Aug. | Overcast | 31° /25° | 0.4 mm | 7 | |
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Guide for Puerto Rico in August
In August, Puerto Rico experiences warm and humid weather with occasional showers. At the beginning of the month, the average temperature hovers around 28°, with high humidity levels. The island typically experiences a mix of sun and clouds, with the possibility of brief afternoon showers.
The sea temperature remains warm and inviting, perfect for beach activities and water sports.
Toward the end of August, the weather in Puerto Rico remains consistent, with temperatures staying around 29°. The island may experience slightly increased rainfall as the month progresses, but the showers are usually short-lived, allowing for plenty of outdoor activities.
The evenings offer a pleasant escape from the daytime heat, with temperatures cooling down to around 24°.
Overall, August is a great time to visit Puerto Rico for those who enjoy warm weather and are looking to experience the vibrant culture and natural beauty of the island. However, it's important to stay updated on the weather forecast and be prepared for occasional rain showers.
Puerto Rico in August - FAQ
What to pack to Puerto Rico in August?
As you prepare for your trip to Puerto Rico in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Puerto Rico, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
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Where is Puerto Rico?Get accurate weather forecasts for Puerto Rico, located at latitude 18.466 and longitude -66.106. Stay updated with localized weather information tailored for Puerto Rico.