Mayaguez Weather in July
July in Mayaguez averages 31°C (88°F) during the day and 26°C (79°F) at night. Quite a bit of rainfall is typical this month, with around 67 mm (2.6 in) on average. An umbrella is a good idea.
Rainfall in Mayaguez in July
Rain is expected on roughly 18 days, totalling around 67 mm (2.6 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Mayaguez in July
In July, Mayaguez sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 26°C (79°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Mayaguez Temperature in July
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Mayaguez Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mayaguez - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Mayaguez typically stay consistent throughout July, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in July
Historical weather records for Mayaguez in July
Browse day-by-day weather records for Mayaguez spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mayaguez historical weather extremes in July
Based on weather observations in Mayaguez between 1997 and 2026, these are the recorded extremes during July.
- The hottest July day on record in Mayaguez reached 39°C (102°F) (July 21, 2021).
- The lowest daytime temperature in July was 27°C (81°F), recorded on July 12, 2015.
- The lowest overnight temperature recorded in July was 20°C (68°F) (July 13, 2025).
Best Places in Puerto Rico in July
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 July →
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 Mayaguez 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). Rain is likely on several days, so bring a good rain jacket.
What To Do in Mayaguez in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping7/10 -
Outdoor sports8/10
Mayaguez 3-Day Forecast
See the full Mayaguez climate overview or explore weather in Puerto Rico.
Popular in July
Where to go in July - average daytime high across popular destinations.
San Juan
31°C (88°F) Rio Grande
30°C (86°F) Aguada
30°C (86°F) Rincon30°C (86°F) Luquillo30°C (86°F) Culebra29°C (84°F) Vieques29°C (84°F) Fajardo30°C (86°F) 
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