Carolina Temperature by Month
The average annual maximum temperature in Carolina, North Puerto Rico, Puerto Rico is 30°C (86°F), with little variation between seasons. This page covers monthly averages, day-night differences, and how Carolina compares to cities worldwide.
Carolina Monthly Temperatures
The temperature in Carolina changes very little across the seasons, maintaining a similar climate throughout the year. Maximum daytime temperatures range from a comfortable 28°C (82°F) in February to a very warm 31°C (88°F) in August. Nighttime lows range from 25°C (77°F) in August to 22°C (72°F) in February.
The chart below illustrates the average maximum day and minimum night temperatures in Carolina by month:
Temperatures tend to bottom out between 4 AM and 6 AM, then climb to their daily peak around 3 PM. August, the warmest month, sees 267 hours of sunshine.
The chart below shows the average temperature throughout the year:
Daily Historical Temperatures
50-year average (1976-2025)
Average high and low temperatures for each day of the month based on long-term records.
Average temperatures in June
Historical Carolina Temperatures: 1976-2026
Browse day-by-day temperature records for Carolina spanning 51 years. Select any month and year to see actual high and low temperatures recorded on each day.
Temperature: Carolina vs Puerto Rico
The map below shows the annual temperature across Puerto Rico. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
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very cold
Carolina vs World: Temperature Compared
Carolina's average annual maximum temperature is 30°C (86°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Toronto, Canada averages 13°C (55°F) annually, with cold snowy winters balanced by genuinely warm summers.
Buenos Aires, Argentina averages 23°C (73°F) a year, with hot summers and mild winters — and seasons reversed compared to Europe.
Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.
What Does the Temperature Feel Like in Carolina?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Carolina, February is the coolest month, with average highs of 28°C (82°F) and humidity around 72% — considered high. In August, the warmest month, temperatures average 31°C (88°F) with 76% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Carolina this rarely lasts long on the ground.
For more on Carolina's weather — including monthly rainfall, sunshine hours, and humidity — visit our Carolina climate page.
