About Mission, TX's Climate & Weather History

Mission is a city of approximately 83,300 people in Texas, United States. Located in the Central Time Zone at 26.2°N latitude.

In 2025, Mission recorded an average annual temperature of 77°F — about 0.6°F below the 30-year normal of 77°F. The hottest day reached 104°F in August; the coldest was 27°F in January. Total precipitation was 21 inches (near normal). The wettest month was March.