Manati Weather in August
With daytime temperatures of 32°C (90°F) and nighttime lows of 25°C (77°F), August in Manati brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 107 mm (4.2 in) falls on average.
Rainfall in Manati in August
Looking at the last 30 years, the data shows about 19 days with rain, averaging 107 mm (4.2 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Manati in August
In August, expect very high temperatures in Manati, with highs of 32°C (90°F) and lows of 25°C (77°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.
Sunshine in Manati in August
There are approximately 267 hours of sunshine this month, resulting in mostly clear days.August in Manati has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Manati Temperature in August
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Manati Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Manati - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Manati typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in August
Historical weather records for Manati in August
Browse day-by-day weather records for Manati spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Manati historical weather extremes in August
The extremes listed below come from historical weather data collected in Manati from 1976 through 2026.
- Manati recorded its highest August temperature of 36°C (97°F) on August 21, 1980.
- The coldest August day was on August 31, 1979, with a maximum of 26°C (79°F).
- Manati registered its coldest August night on August 14, 2022, with temperatures dropping to 20°C (68°F).
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 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 Manati in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Manati in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Manati 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Manati climate overview or explore weather in Puerto Rico.
Popular in August
Where to go in August - average daytime high across popular destinations.
San Juan
31°C (88°F) Rio Grande
31°C (88°F) Aguada
30°C (86°F) Rincon30°C (86°F) Luquillo30°C (86°F) Culebra30°C (86°F) Vieques30°C (86°F) Fajardo
30°C (86°F) 
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