Carolina Weather in October
Carolina in October sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 25°C (77°F). Rainfall is fairly high at around 153 mm (6 in) on average, so pack waterproofs just in case.
Rainfall in Carolina in October
Typically, about 18 days will experience rainfall, with an average of 153 mm (6 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Carolina in October
Expect highs of 31°C (88°F) in Carolina in October, with nights dropping to around 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Carolina in October
The city usually sees around 228 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Carolina in October
Average wind conditions reach 2 m/s (4 knots) in October. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.
Average water temperature in October
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.October in Carolina 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.
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 October
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F) *
Chance of Rain
60%
Precipitation
153 mm (6 in)
Rainy days
18 days
Humidity
77% *
Windspeed
2 m/s (4 knots) *
Sunshine
228 hours *
Percentage Sunshine
63% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Carolina typically stay consistent throughout October, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in October
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 October
Historical weather for Carolina in October
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 October
According to our 49 years of weather records for Carolina, the following extremes were recorded between 1976 and 2025.
- Carolina recorded its highest October temperature of 36°C (97°F) on October 14, 1980.
- Carolina experienced its chilliest October day on October 6, 1985, reaching only 24°C (75°F).
- Nighttime temperatures dropped to 22°C (72°F) on October 30, 2001, marking the coldest October night on record.
Best Places in Puerto Rico in October
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 October →
perfect weather
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tolerable
unpleasant
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What to Wear in Carolina in October
Warm temperatures in October 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! Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Carolina in October
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.
