Rio Grande Weather and Climate: A Comprehensive Guide
Rio Grande has a steady warm climate throughout the year.
It also experiences much rainfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
The temperature in Rio Grande remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures reach a very warm 31°C in August. In February, the coolest month of the year, temperatures drop to a comfortable 28°C.
At night, you can expect cooler temperatures, with averages dropping to around 23°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Rio Grande has a relatively rainy climate with high precipitation levels, averaging 1300 mm of rainfall annually. Rio Grande can be quite wet during September, receiving approximately 164 mm of precipitation over 18 rainy days. In contrast February, experiences much drier conditions, with 57 mm of rainfall, spread across 15 rainy days. For more details, please visit our Rio Grande Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Rio Grande experiences moderate variation in sunshine hours across the seasons. With 9.5 hours daily sunshine in March, it dips to 6.8 hours in November, offering a balanced mix of sunny and overcast days. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average water temperature
The mean water temperature over the year ranges from 26°C in January to 29°C in August.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Rio Grande.
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
Average wind speed
The average wind speed over the year ranges from 2 m/s to 4 m/s. It is lower in October and higher in July.
The mean monthly wind speed over the year (meters per second)
partly cloudy and small chance of slight rain partly cloudy and rain partly cloudy and chance of rainForecast for Rio Grande
6 m/s
6 m/s
7 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Rio Grande in Puerto Rico
Other facts from our historical weather data:Most rainfall (rainy season) is seen in September and October.
August has an average maximum temperature of 31°C and is the hottest month of the year.
The coolest month is February with an average maximum temperature of 28°C.
September tops the wettest month list with 164 mm of rainfall.
February is the driest month with 57 mm of precipitation.
March is the sunniest month with an average of 284 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
