Carolina Weather in August
During August, Carolina experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 25°C (77°F). Expect quite a bit of rainfall. Around 127 mm (5 in) is typical.
Rainfall in Carolina in August
Historically, August sees about 20 days of rain, with a monthly average of 127 mm (5 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Carolina in August
August in Carolina brings very high temperatures, with highs of 31°C (88°F) and nights around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.
Sunshine in Carolina in August
Expect a lot of sunshine this month, with about 267 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Carolina in August
Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in August
The water is 29°C (84°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Carolina. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Carolina's climate page.
Carolina Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
29°C (84°F) *
Chance of Rain
66%
Precipitation
127 mm (5 in)
Rainy days
20 days
Humidity
76% *
Windspeed
3 m/s (6 knots) *
Sunshine
267 hours *
Percentage Sunshine
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Carolina typically stay consistent throughout August, with daily highs averaging around 31°C (88°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 Carolina in August
Browse day-by-day weather records for Carolina spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Carolina historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Carolina.
- On August 21, 1980, temperatures climbed to 36°C (97°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 26°C (79°F), recorded on August 24, 1988.
- The coldest night in August in Carolina was on August 3, 1977, with a minimum of 22°C (72°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 →
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What to Wear in Carolina in August
Warm but pleasant conditions in Carolina in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Carolina 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 Carolina's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Carolina climate overview or explore weather in Puerto Rico.
