Carolina Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Carolina.
Climate overview of Carolina
The climate in Carolina, North Puerto Rico, Puerto Rico, is remarkably consistent, with temperatures year-round averaging 30°C (86°F). The warmest month is August at 31°C (88°F), and the coolest is January at 28°C (82°F).
Rainfall is high, totalling around 1265 mm (50 in) per year. September is the wettest month and February the driest. The most sunshine falls in March, with an average of 9.5 hours of daily sunshine.
Carolina Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Carolina - and find the best time to visit.
Monthly Temperature in Carolina
In Carolina temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a comfortable 28°C (82°F) during cooler months like January.
At night, you can expect temperatures ranging from 25°C (77°F) in August to around 22°C (72°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Carolina
Carolina experiences significant rainfall throughout the year, averaging 1265 mm (50 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives heavy rainfall, averaging 167 mm (6.6 in) of precipitation, recorded across 18 rainy days. In contrast, the driest month February brings less rainfall, with 51 mm (2 in) over 15 rainy days. For more details, please visit our Carolina Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Carolina
While the amount of sunshine in Carolina varies throughout the year, all seasons offer their own charm. Enjoy up to 9.5 hours of daily sun in March, and experience slightly darker atmosphere in November, with about 6.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Carolina
The mean water temperature over the year ranges from 26°C (79°F) in January to 29°C (84°F) in August.
Water temperature over the year
Humidity in Carolina by Month
The relative humidity is high throughout the year in Carolina.
The city experiences its highest humidity in October, reaching 77%. In March, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Carolina
The average wind speed over the year ranges from 2 m/s (4 knots) to 4 m/s (8 knots). It is lower in October and higher in July. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Carolina
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April and December
- Warmest weather: May, June, July, August, September and October
- Most sunshine: March and July
- Fewer rainy days: February, March, April, May and June
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
Frequently asked questions about the climate in Carolina
What is the best time to visit Carolina?
January, February, March, April and December typically offer the most optimal weather in Carolina. In contrast, May, June, July, August, September and October tend to have less optimal conditions.
What temperatures can I expect in Carolina?
Daytime highs range from 28°C (82°F) in January to 31°C (88°F) in August. Nighttime lows range from 22°C (72°F) to 25°C (77°F). Temperatures stay relatively stable year-round.
How much rain does Carolina get?
Annual rainfall is around 1265 mm (50 in). September is the wettest month with 167 mm (6.6 in), while February is the driest with 51 mm (2 in).
How sunny is Carolina?
Carolina receives around 2,966 hours of sunshine per year. March is the sunniest month with 284 hours, while November is the cloudiest with just 203 hours. Overall, Carolina enjoys abundant sunshine.
Carolina 3-Day Forecast
Carolina on the map
Carolina is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
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