San Antonio, TX, December 12, 2025
South Texas is currently experiencing unseasonably warm weather, with temperatures soaring into the mid-70s and low 80s. This unexpected warmth allows residents to enjoy outdoor activities and boosts local economies, particularly in retail and food sectors. However, a cold front is forecasted to arrive by December 14, bringing about a significant decrease in temperatures. As the region prepares for this change, businesses and residents alike are adjusting to the weather patterns that greatly impact local activities and shopping behaviors.
South Texas Weather: Warm Days Before a Cold Front
Unseasonable Warmth Hits South Texas
San Antonio, TX is currently enjoying an unseasonably warm December, with temperatures rising well above the typical averages for this time of year. With daytime highs landing in the mid-70s and low 80s, residents are taking advantage of the mild weather to explore local parks, support small businesses, and engage in holiday festivities. This warming trend is notably appreciated by many local entrepreneurs, as warmer weather can often boost foot traffic and customer activity, providing an economic uplift during the holiday season.
The warmth is expected to persist throughout the week, a welcomed break from typical December chilliness. However, a cold front is on the horizon, expected to arrive by Sunday, December 14, signaling a shift toward cooler, more seasonal temperatures. This weather transition serves as a reminder of the adaptability required of both residents and businesses in San Antonio, particularly as they navigate the balance between pleasant surprises and seasonal norms.
Current Weather Conditions
As of Wednesday, December 10, 2025, the South Texas region has been basking in sunny conditions with temperatures approximately 10 degrees above average for December. The Rio Grande Valley, in particular, is reporting highs in the low to mid-80s, while urban areas like San Antonio are enjoying the 70s. This warmth not only presents opportunities for outdoor activities but also allows for greater engagement with local small businesses, especially those in the food and retail sectors.
Upcoming Cold Front
The anticipated cold front will sweep through the region starting this Sunday, bringing a predicted drop in temperatures of around 10-15 degrees. The impact will first be felt across northern Texas, gradually making its way southward into South Texas by the early part of next week. This impending change reminds small business owners to prepare for shifts in customer behavior as colder weather often influences shopping patterns.
Extended Forecast
Post-cold front, the weather forecast stabilizes, with expected highs settling in the 60s and 70s and lows dipping into the 40s and 50s. Importantly, the region will likely remain dry following the front, minimizing disruptions for businesses and ensuring that holiday activities can continue uninterrupted.
Background Context
December in South Texas usually presents a shift toward cooler temperatures, typically greeting residents with averages of highs in the 60s and lows in the 40s. This current warmth, attributed to a high-pressure system impacting the region, is somewhat of an anomaly but has been embraced by local communities. It highlights how adaptable the San Antonio economy is, reflecting the determination of Texas entrepreneurs to thrive, regardless of weather patterns.
Frequently Asked Questions (FAQ)
What is the current weather in South Texas?
South Texas is experiencing unseasonably warm temperatures, with highs reaching into the mid-70s and low 80s, significantly above the typical December averages.
When is the cold front expected to arrive?
A cold front is forecasted to move through the region by Sunday, December 14, bringing cooler conditions to South Texas.
How much will temperatures drop after the cold front passes?
The cold front is expected to bring a drop in temperatures of approximately 10-15 degrees, with cooler conditions spreading southward into South Texas by early next week.
Will there be any precipitation with the cold front?
The region is expected to remain dry, with minimal chances of precipitation in the coming days following the passage of the cold front.
What are the typical December temperatures in South Texas?
December in South Texas typically brings cooler temperatures, with average highs in the 60s and lows in the 40s.
Key Features of the Current Weather Situation
| Feature | Details |
|---|---|
| Current Temperatures | Mid-70s to low 80s, above typical December averages |
| Upcoming Cold Front | Expected to arrive by Sunday, December 14, bringing a 10-15 degree temperature drop |
| Extended Forecast | Temperatures stabilizing in the 60s and 70s, with lows in the 40s and 50s; minimal precipitation expected |
| Typical December Temperatures | Average highs in the 60s and lows in the 40s |
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Author: STAFF HERE SAN ANTONIO WRITER
The SAN ANTONIO STAFF WRITER represents the experienced team at HERESanAntonio.com, your go-to source for actionable local news and information in San Antonio, Bexar County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Fiesta San Antonio, San Antonio Stock Show & Rodeo, and Dia de los Muertos. Our coverage extends to key organizations like the Greater San Antonio Chamber of Commerce and United Way of San Antonio and Bexar County, plus leading businesses in retail, insurance, and energy that power the local economy such as H-E-B, USAA, and Valero Energy. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREDallas.com, and HEREHouston.com, we provide comprehensive, credible insights into Texas's dynamic landscape.
