Loiza
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Loiza Weather in August

Loiza in August sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 26°C (79°F). Rainfall is fairly high at around 124 mm (4.9 in) on average, so pack waterproofs just in case.

Rainfall in Loiza in August

Typically around 20 days of rainfall are expected, averaging 124 mm (4.9 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Loiza in August

August in Loiza sees highs of 31°C (88°F) and lows of 26°C (79°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. At 26°C (79°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.

Sunshine in Loiza in August

The days are predominantly sunny, with an estimated total of around 267 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Loiza in August

August has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in August

At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.

If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Loiza. Our weather planner can help you explore destinations with more pleasant weather conditions.

Loiza Temperature in August

Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Water Temperature
29°C (84°F) *
Chance of Rain
66%
Precipitation
124 mm (4.9 in)
Rainy days
20 days
Humidity
76% *
Windspeed
3 m/s (6 knots) *
Sunshine
267 hours *
Percentage Sunshine
68% *
* Data from: San Juan, Puerto Rico (12 KM, 7 Miles).

Loiza Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Loiza - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Loiza typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in August

Daily Historical Precipitation

50-year average (1976-2025)

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

Average precipitation in August

Historical weather records for Loiza in August

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

Loiza historical weather extremes in August

Our historical data for Loiza spans 1976 to 2026, revealing these weather extremes.

  • The warmest day in August was on August 21, 1980, with a maximum of 36°C (97°F).
  • The lowest daytime temperature in August was 26°C (79°F), recorded on August 24, 1988.
  • The lowest overnight temperature recorded in August was 22°C (72°F) (August 24, 1988).

Best Places in Puerto Rico in August

Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Loiza in August

Warm but pleasant conditions in Loiza in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Loiza in August

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

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Loiza 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

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