Climate in Rio Grande, Puerto Rico

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Rio Grande, Puerto Rico

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Rio Grande, Puerto Rico

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* Data from: San Juan, Puerto Rico (18 KM, 11 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in Rio Grande, Puerto Rico

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* Data from: San Juan, Puerto Rico (18 KM, 11 Miles).

Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Rio Grande, Puerto Rico

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* Data from: San Juan, Puerto Rico (18 KM, 11 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Rio Grande, Puerto Rico

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Rio Grande, Puerto Rico

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Rio Grande, Puerto Rico

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* Data from: San Juan, Puerto Rico (18 KM, 11 Miles).

Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average monthly wind speed in Rio Grande, Puerto Rico

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* Data from: San Juan, Puerto Rico (18 KM, 11 Miles).

Weather Forecasts for Rio Grande

Fri   Mar 29
30°C | 24°C
NW 22 km/h
0.1 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Sat   Mar 30
29°C | 24°C
NE 18 km/h
0.9 mm
partly cloudy and small chance of rain

partly cloudy and small chance of rain

Sun   Mar 31
29°C | 24°C
NE 25 km/h
3.3 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Rio Grande in Puerto Rico

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Rio Grande?
    Most rainfall (rainy season) is seen in September and October.
  • Which is the hottest month in Rio Grande?
    August has an average maximum temperature of 31°C and is the hottest month of the year.
  • Which is the coolest month in Rio Grande?
    The coolest month is February with an average maximum temperature of 28°C.
  • Which is the wettest month in Rio Grande?
    September tops the wettest month list with 164 mm of rainfall.
  • Which is the driest month in Rio Grande?
    February is the driest month with 57 mm of precipitation.
  • Which is the sunniest month in Rio Grande?
    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.