Adjuntas Weather in August
In Adjuntas, August brings high daytime temperatures around 28°C (82°F), with nights cooling to 19°C (66°F). Expect quite a bit of rainfall this month.
Rainfall in Adjuntas in August
Analyzing past climate data, one can expect approximately 19 days of rain, averaging 114 mm (4.5 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Adjuntas in August
Expect highs of 28°C (82°F) in Adjuntas in August, with nights dropping to around 19°C (66°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. It's the warmest month of the year on average, so summer clothing is the way to go.If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit Adjuntas. Our weather planner can help you explore destinations with more pleasant weather conditions.
Adjuntas Temperature in August
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Adjuntas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Adjuntas - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Adjuntas typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Historical weather records for Adjuntas in August
Browse day-by-day weather records for Adjuntas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Adjuntas historical weather extremes in August
According to our 29 years of weather records for Adjuntas, the following extremes were recorded between 1997 and 2026.
- The warmest day in August was on August 17, 2007, with a maximum of 36°C (97°F).
- Adjuntas experienced its chilliest August day on August 28, 2001, reaching only 27°C (81°F).
- Nighttime temperatures dropped to 20°C (68°F) on August 21, 2026, 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 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 Adjuntas 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.
What To Do in Adjuntas in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Adjuntas 3-Day Forecast
See the full Adjuntas 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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