San Antonio’s weather is known for its warm, sunny climate with mild winters and hot, humid summers. There is no wrong time to visit the multicultural City of San Antonio, as each month brings its own unique charm and events, from vibrant festivals and cultural celebrations to outdoor activities and seasonal foods.
Do Hurricanes Affect San Antonio?
Occasionally, the Alamo City will witness hurricane season as it lies approximately 140 to 160 miles from the Gulf of Mexico, depending on the specific destination along the coast. By the time a hurricane reaches San Antonio, often, it has weakened into a tropical storm that causes flooding and tornadoes.
Corpus Christi, the closest Gulf town to San Antonio, does not experience hurricanes as frequently as areas farther south on the Texas-Mexico border, or farther east, closer to Louisiana. Corpus Christi will witness more tropical storms than hurricanes. Frequently, high winds, heavy rain, and coastal flooding impact the region every few years.
The drive from San Antonio to popular Gulf Coast spots like Corpus Christi typically takes around two to two-and-a-half hours. This proximity allows for easy day trips to the beach and access to coastal activities while enjoying the inland attractions of San Antonio.
Does it Snow in San Antonio?
Snow is rare in San Antonio, Texas, due to its warm subtropical climate. On occasion, a light snowfall or flurries may occur, typically between December and February. However, measurable snowfall is infrequent and often only happens once every few years. When snow does fall, it’s usually light and melts quickly, rarely accumulating significantly.
The February 2021 Texas freeze had a significant impact on San Antonio, bringing unusually low temperatures, snow, and ice that the region was not equipped to handle. The freeze lasted for several days in February, with temperatures dropping into the single digits. The last notable snowfall occurred in December 2017, when parts of San Antonio saw a few inches, creating a temporary winter wonderland.
What Is the Warmest Month in San Antonio?
Typically, the warmest month in San Antonio is August. The average high temperature reaches to the upper 90s °F and can exceed 100°F. Heat and humidity combine to create intense conditions, with heat indexes making it feel even hotter.
July and August are San Antonio’s sunniest months. Summer sees limited rainfall, and this contributes to the high temperatures. For visitors, the summer months can feel quite intense; locals seek relief in air conditioning, nearby rivers, pools, and shaded areas.
What Is the Best Month to Go to San Antonio?
The most comfortable months weather-wise to visit San Antonio are in April and October. During these months, the weather is pleasantly mild, with average temperatures in the 70s and 80s °F It is comfortable for exploring the city’s outdoor attractions like the River Walk, historic missions, and parks. Spring brings beautiful wildflowers with Texas bluebonnets and the popular Fiesta San Antonio, a city-wide festival celebrating the city’s rich cultural heritage.
In October, the city enjoys fall festivals, Dia de los Muertos celebrations, and cooler weather after the summer heat and humidity. These months offer a nice balance of enjoyable weather, cultural events, and manageable crowds. Summers are hot and humid, while winters are mild, with occasional cold snaps.
San Antonio Weather, Month-by-Month
January:
January is one of the coolest months in Alamo City, with average high temperatures around 63° F and lows in the 40s. Frost and light freezes are possible and snow is rare. Rainfall is generally low.
February:
Temperatures rise slightly, with daytime highs in the mid-60s to low 70s and nighttime lows in the 40s. February may bring sporadic rain showers February is one of the months where an occasional cold front may bring a short freeze.
March:
In March, spring arrives with warmer temperatures, averaging in the low to mid-70s during the day and 50s at night. Wildflowers bud and bloom with spring showers.
April:
April, one of the best months to visit San Antonio, carries daytime highs in the upper 70s to low 80s and mild nights in the 50s and 60s. Rain showers are common. Usually, the weather is pleasant and ideal for outdoor activities.
May:
Temperatures climb to daytime highs in the mid-80s to low 90s, along with higher humidity. San Antonio sees the most rain with May thunderstorms that can lead to flash flooding.
June:
June brings on the summer heat, with highs in the low to mid-90s at day and lows in the 70s at night. With more sunshine, comes high humidity.
July:
July has average daytime highs in the mid-90s and nighttime lows around the mid-70s. Rain is slight, and temperatures approach or exceed 100°F.
August:
The hottest month in San Antonio is August. Intense sun equals high humidity with little rain. The weather reporters issue eat advisories consistently.
September:
September cooler temperatures, but highs make it to the 90s. Occasional tropical storms from the Gulf of Mexico increase rain chances. Temperatures drop toward the end of the month.
October:
Highs in the 80s during the day and lows in the 60s during the nights. October is a popular month to visit Alamo City. Hurricane season begins in the Gulf of Mexico, and rainfall peaks again. Occasional storms result in cooler air and pleasant evenings.
November:
Temperatures drop, and daytime highs are pleasant in the 70s and nighttime lows in the 50s. Rainfall lessens with the onset of fall, and the air becomes cooler and crisper.
December:
San Antonio’s winter arrives with average highs in the low 60s at day and lows in the 40s at night. Snow is rare, but cold fronts may bring brief freezes overnight. December’s climate is dry and mild, with a mix of sunny and cloudy days.
Explore fun things to do in San Antonio!
Author: Kendall Davis
Author: Kendall Davis Company: Lumini Services Kendall currently lives on the shores of Lake Texoma in Texas. She traveled across two-thirds of the U.S. for many years camping at lakes, rivers, and three oceans before motels and hotels if at all possible, and she continuously saw God's presence in nature. Writing for Lakehub allows Kendall to share her experience with God's creations. https://kdavis1836.wixsite.com/luminiwrites
