Maunabo Weather in August
With daytime temperatures of 30°C (86°F) and nighttime lows of 26°C (79°F), August in Maunabo brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 152 mm (6 in) falls on average.
Rainfall in Maunabo in August
Historically, August sees about 20 days of rain, with a monthly average of 152 mm (6 in). 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 Maunabo in August
If you're visiting Maunabo in August, expect highs of 30°C (86°F) and overnight lows around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Maunabo in August
The days are predominantly sunny, with an estimated total of around 267 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.For Maunabo itself, January, February, March, April and December generally stand out with 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.
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 Maunabo's climate page.
Maunabo Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
65%
Precipitation
152 mm (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 Maunabo 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 Maunabo in August
Browse day-by-day weather records for Maunabo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Maunabo historical weather extremes in August
The extremes listed below come from historical weather data collected in Maunabo from 1976 through 2025.
- On August 20, 1980, temperatures climbed to 35°C (95°F), marking the warmest August day on record.
- Maunabo experienced its chilliest August day on August 23, 2011, reaching only 27°C (81°F).
- Nighttime temperatures dropped to 22°C (72°F) on August 11, 1986, 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
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unpleasant
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What to Wear in Maunabo 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Maunabo 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 Maunabo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Maunabo climate overview or explore weather in Puerto Rico.
