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Rio Grande City (TX) Climate by Month

Rio Grande City experiences great temperature shifts. The city's weather can transition from very hot days to pleasant weather. It maintains moderate precipitation patterns. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Rio Grande City is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a very hot 38°C in August to a pleasant 21°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 7°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Rio Grande City receives mid-range precipitation levels, with 590 mm annually. The climate in Rio Grande City shows significant variation throughout the year. Expect high rainfall in September, with an average of 134 mm of precipitation over 11 rainy days. In contrast, February offers drier and sunnier days, with around 17 mm of rainfall over 4 rainy days.

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

The best time of year to visit Rio Grande City in the United States of America

During the months of January, February and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Rio Grande City have a dry season?
    Yes, the months of February and March are very dry.
  • Which is the warmest month in Rio Grande City?
    August has an average maximum temperature of 38°C and is the warmest month of the year.
  • Which is the coldest month in Rio Grande City?
    The coldest month is January with an average maximum temperature of 21°C.
  • Which is the wettest month in Rio Grande City?
    September tops the wettest month list with 134 mm of rainfall.
  • Which is the driest month in Rio Grande City?
    February is the driest month with 17 mm of precipitation.

  • 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.

    Forecast for Rio Grande City (TX)

    Wed   Nov 20
    27°C | 11°C
    N 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Thu   Nov 21
    26°C | 10°C
    E 7 km/h
    clear and no rain

    clear and no rain

    Fri   Nov 22
    28°C | 12°C
    SE 11 km/h
    clear and no rain

    clear and no rain