Rio Grande City (TX) Temperature by Month

This graph shows the average minimum and maximum temperatures throughout the year in Rio Grande City (Texas), the United States of America. The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.

Temperature patterns do vary with the seasons. In winter, the time of minimum and maximum temperatures can shift slightly compared to summer.

• The months of January, February, March, November and December have nice average temperatures.
• Hot season / summer is in March, April, May, June, July, August, September and October.
• On average, the warmest month is August with 38°C.
• On average, the coolest month is January with 21°C.
• The average annual maximum temperature is 31°C.
• The average annual minimum temperature is 17°C.