RIO GRANDE CITY, TEXAS

This climate type is characterized by extremely variable temperature conditions, with annual means decreasing and annual ranges increasing poleward, and relatively little precipitation. This climate is typically located deep within the interiors of continents and is contiguous with the tropical desert climates of North and South America and of central Asia. This region type owes its origins to locations deep within continental interiors, far from the windward coasts and sources of moist, maritime air. Remoteness from sources of water vapor is enhanced in some regions by mountain barriers upwind.

The Köppen Climate Classification subtype for this climate is "Bsh". (Mid-Latitude Steppe and Desert Climate).

The average temperature for the year in Rio Grande City is 71.0°F (21.7°C). The warmest month, on average, is July with an average temperature of 86.0°F (30°C). The coolest month on average is January, with an average temperature of 57.0°F (13.9°C).

The average amount of precipitation for the year in Rio Grande City is 19.0" (482.6 mm). The month with the most precipitation on average is September with 3.6" (91.4 mm) of precipitation. The month with the least precipitation on average is March with an average of 0.8" (20.3 mm).