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Weather in Puerto Rico for August 2025

Your guide to Puerto Rico weather in August - trends and predictions
  • 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.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/25°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Puerto Rico in August average weather

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Temperatures trend during August in Puerto Rico

See the weather trend as well as the moving average line
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August weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
33° /25° 7.1 mm 7
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 7.8 mm 7
3 Aug. Heavy rain at times
Heavy rain at times
32° /25° 1.5 mm 7
4 Aug. Patchy rain possible
Patchy rain possible
31° /25° 1.3 mm 7
5 Aug. Cloudy
Cloudy
31° /25° 0.8 mm 7
6 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 3.3 mm 7
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 5.8 mm 7
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 7.5 mm 7
9 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 4.7 mm 7
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /25° 9.9 mm 7
11 Aug. Overcast
Overcast
32° /24° 0.1 mm 7
12 Aug. Moderate rain at times
Moderate rain at times
31° /25° 1.4 mm 7
13 Aug. Patchy rain possible
Patchy rain possible
31° /25° 3.6 mm 7
14 Aug. Patchy rain possible
Patchy rain possible
29° /25° 12.9 mm 7
15 Aug. Patchy rain possible
Patchy rain possible
31° /26° 0.3 mm 7
16 Aug. Patchy rain possible
Patchy rain possible
31° /25° 1.2 mm 7
17 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 3.9 mm 7
18 Aug. Patchy rain possible
Patchy rain possible
32° /26° 1.4 mm 7
19 Aug. Patchy rain possible
Patchy rain possible
31° /25° 1.4 mm 7
20 Aug. Patchy rain possible
Patchy rain possible
30° /25° 2.9 mm 7
21 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /25° 6.5 mm 7
22 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /24° 8.6 mm 7
23 Aug. Patchy rain possible
Patchy rain possible
31° /25° 1.7 mm 7
24 Aug. Moderate rain at times
Moderate rain at times
32° /25° 1.9 mm 7
25 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 5.2 mm 7
26 Aug. Light rain shower
Light rain shower
32° /24° 2.2 mm 7
27 Aug. Thundery outbreaks possible
Thundery outbreaks possible
32° /25° 0.1 mm 8
28 Aug. Overcast
Overcast
32° /25° 1.1 mm 7
29 Aug. Cloudy
Cloudy
32° /26° 0.4 mm 7
30 Aug. Thundery outbreaks possible
Thundery outbreaks possible
32° /26° 0.8 mm 7
31 Aug. Overcast
Overcast
31° /25° 0.4 mm 7
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Important Notice
Our weather forecast for Puerto Rico 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 Puerto Rico forecast closer to your planned date for the most up-to-date weather information.

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

Is August a good time to visit Puerto Rico?
You can travel to Puerto Rico in August, but there are probably better months doing so, read more about the best time to visit Puerto Rico
What are the expected maximum and minimum temperatures in Puerto Rico during August?
During August, expect a variety of temperatures with highs around 32° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Puerto Rico during August?
Significant rainfall exceeding 127.9 mm is expected in Puerto Rico during August, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Puerto Rico during August?
The average wind speed in Puerto Rico during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

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

August rainfall patterns in Puerto Rico

Explore the daily rainfall trends and prepare for Puerto Ricos August weather 💧

UV exposure in Puerto Rico during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates 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.

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