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Rio Grande City (TX) Weather and Climate: A Comprehensive Guide

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 maximum day and minimum night temperature

The climate in Rio Grande City is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum 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 lows often dropping to around 7°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

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. For more details, please visit our Rio Grande City Precipitation page.

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

Forecast for Rio Grande City (TX)

Fri   Dec 27
30°C | 12°C
W 2 m/s
almost clear and no rain

almost clear and no rain

Sat   Dec 28
31°C | 16°C
NW 5 m/s
almost clear and no rain

almost clear and no rain

Sun   Dec 29
29°C | 13°C
NE 3 m/s
clear and no rain

clear and no rain

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.