Best year time to visit Río Grande

General weather information about Río Grande

Average annual temperature is 26.3 °C

Absolute maximum temperature: 33.0 °C

Absolute minimum temperature: 19.4 °C

Number of sunny days: 28 days

Number of rainy days: 337 days

Look at detailed online map of Río Grande

* Weather data for Río Grande Puerto Rico is based on climate observations for 2026 year

Río Grande air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)27.526.429.629.230.731.131.332.333.032.530.529.3
Average daytime temperature (°C)26.125.926.627.229.129.930.030.631.230.329.127.6
Average temperature (°C)24.224.024.324.926.727.627.827.928.427.426.925.4
Average night temperature (°C)22.522.322.322.824.725.625.725.625.825.125.023.4
Absolute minimum temperature (°C)20.219.719.819.422.823.923.223.623.923.223.321.1

Río Grande monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.013.013.013.012.012.011.011.011.0
Daylight mean duration (h)11.211.512.012.613.013.213.112.712.211.711.311.0
Daylight minimum duration (h)11.011.011.012.012.013.012.012.011.011.011.011.0
Sunshine mean duration (h)9.810.710.810.911.311.710.410.111.09.19.39.8
Precipitation (mm)141905515874111190206702278997
Sunny days325152111214
Rainy days282626292628303029292927
Snow days000000000000

Río Grande - weather forecast by months

Río Grande weather in januaryRío Grande weather in februaryRío Grande weather in marchRío Grande weather in aprilRío Grande weather in mayRío Grande weather in juneRío Grande weather in julyRío Grande weather in augustRío Grande weather in septemberRío Grande weather in octoberRío Grande weather in novemberRío Grande weather in december

Best time to visit Río Grande:

The largest precipitation sum in Río Grande is at

  • April — 158(mm)
  • July — 190(mm)
  • August — 206(mm)
  • October — 227(mm)

    • Weather forecast in the closest to Río Grande admin centers

    Weather forecast in the closest towns to Río Grande

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    Frequently asked questions

    When is the best time to visit Río Grande?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Río Grande.
    What is the weather like in Río Grande?
    See average temperature, rainfall and daylight hours for Río Grande by month in the table above.
    How many sunny days does Río Grande have?
    The monthly weather statistics above show sunshine and rainfall patterns for Río Grande throughout the year.