Loiza Weather in July

July in Loiza brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 25°C (77°F). Rainfall is on the higher side this month, averaging around 111 mm (4.4 in), so keep a rain jacket handy.

Rainfall in Loiza in July

This month experiences about 19 days of rain according to historical data, averaging 111 mm (4.4 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Loiza in July

Loiza in July gets highs of 31°C (88°F) during the day and drops to 25°C (77°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Loiza in July

The month enjoys around 281 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Loiza in July

Wind speeds average 4 m/s (8 knots) during July. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in July

The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

July in Loiza has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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For a detailed overview over the year and the best time to visit Puerto Rico, check out our Loiza's climate page.

Loiza Temperature in July

Min Temperature 25°C (77°F)  

Max Temperature 31°C (88°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 63%  

Precipitation 111 mm (4.4 in)  

Rainy days 19 days  

Humidity 76% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 281 hours *  

Percentage Sunshine 68% *  

* Data from: San Juan, Puerto Rico (12 KM, 7 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

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

Average temperatures in July

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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 July

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Historical weather for Loiza in July

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.

Historical weather Temperatures Precipitation

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Loiza historical weather extremes in July

Based on weather observations in Loiza between 1976 and 2025, these are the recorded extremes during July.

• The hottest July day on record in Loiza reached 34°C (93°F) (July 5, 2024).
• Loiza experienced its chilliest July day on July 11, 1993, reaching only 27°C (81°F).
• The coldest night in July in Loiza was on July 13, 2003, with a minimum of 22°C (72°F).

What to Wear in Loiza in July

Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Loiza in July

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Loiza's climate page.

More climate data for Loiza

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Loiza climate overview or explore weather in Puerto Rico.