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Culebra Weather in August
August in Culebra typically sees daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Culebra in August
Looking at the last 30 years, the data shows about 20 days with rain, averaging 130 mm (5.1 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 Culebra in August
In August, Culebra sees high temperatures, with highs of 30°C (86°F). Nights drop to around 27°C (81°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Culebra. Our weather planner can help you explore destinations with more pleasant weather conditions.
Culebra Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
65%
Precipitation
130 mm (5.1 in)
Rainy days
20 days
Culebra Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Culebra - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Culebra 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 records for Culebra in August
Browse day-by-day weather records for Culebra spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Culebra historical weather extremes in August
Based on weather observations in Culebra between 1976 and 2026, these are the recorded extremes during August.
- Culebra recorded its highest August temperature of 36°C (97°F) on August 4, 1997.
- The coldest August day was on August 24, 1988, with a maximum of 27°C (81°F).
- The lowest overnight temperature recorded in August was 22°C (72°F) (August 27, 1976).
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
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 Culebra 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.
What To Do in Culebra in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Culebra 3-Day Forecast
More climate data for Culebra
See the full Culebra 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) Bucket list
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