Luquillo Weather in August
With daytime temperatures of 30°C (86°F) and nighttime lows of 26°C (79°F), August in Luquillo brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 143 mm (5.6 in) falls on average.
Rainfall in Luquillo in August
Historically, the month has about 20 days of rain, averaging 143 mm (5.6 in) in total. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Luquillo in August
Expect highs of 30°C (86°F) in Luquillo in August, with nights dropping 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. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Luquillo in August
Expect a lot of sunshine this month, with about 267 hours of sun. These sunny conditions add to the overall experience.August in Luquillo can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Luquillo's climate page.
Luquillo Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
67%
Precipitation
143 mm (5.6 in)
Rainy days
20 days
Humidity
76% *
Sunshine
267 hours *
Percentage Sunshine
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Luquillo typically stay consistent throughout August, with daily highs averaging around 30°C (86°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 for Luquillo in August
Browse day-by-day weather records for Luquillo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Luquillo historical weather extremes in August
Based on 49 years of weather observations in Luquillo between 1976 and 2025, these are the recorded extremes.
- The hottest August day on record in Luquillo reached 36°C (97°F) (August 4, 1997).
- On August 24, 1988, Luquillo saw its coldest August day with temperatures maxing out at 27°C (81°F).
- Nighttime temperatures dropped to 22°C (72°F) on August 27, 1976, marking the coldest August night on record.
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
What to Wear in Luquillo in August
Warm weather calls for comfortable, breathable clothing in August. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Luquillo in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Luquillo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Luquillo climate overview or explore weather in Puerto Rico.
