San Antonio, TX Monthly Weather Averages & Forecasts

San Antonio, Texas, boasts a diverse climate throughout the year, marked by hot summers and mild winters. Understanding the typical monthly weather patterns can help you plan your activities and travel accordingly. This guide provides a detailed overview of San Antonio's monthly weather, including average temperatures, rainfall, and sunshine hours, ensuring you're well-prepared for any season.

January: Mild Start to the Year

January in San Antonio is characterized by mild temperatures, making it a pleasant time to visit. The average high temperature hovers around 60°F (16°C), while the average low dips to 40°F (4°C). Here are some key aspects of January's weather:

Average Temperatures

• High: 60°F (16°C)
• Low: 40°F (4°C)

Rainfall

January sees moderate rainfall, with an average of about 2 inches. Showers are typically brief and don't last long.

Sunshine

Expect approximately 6 hours of sunshine per day, offering plenty of daylight for outdoor activities.

February: Slight Warm-Up

February brings a slight increase in temperatures compared to January. The weather remains mild, with average highs around 64°F (18°C) and lows around 43°F (6°C).

Average Temperatures

• High: 64°F (18°C)
• Low: 43°F (6°C)

Rainfall

February is relatively dry, with average rainfall around 2 inches, similar to January.

Sunshine

The days get longer, with approximately 7 hours of sunshine daily, making it a good time for exploring the city.

March: Spring Begins to Bloom

March marks the transition into spring, with temperatures gradually rising. The average high is 72°F (22°C), and the low is 50°F (10°C). This month is characterized by pleasant weather and blooming flowers. — Chicago Bulls' Future Draft Picks: A Complete Guide

Average Temperatures

• High: 72°F (22°C)
• Low: 50°F (10°C)

Rainfall

Rainfall increases slightly, with an average of 2.5 inches. However, the showers are generally short-lived.

Sunshine

March enjoys around 8 hours of sunshine per day, perfect for outdoor activities and sightseeing.

April: Comfortable and Sunny

April is one of the best months to visit San Antonio, offering comfortable temperatures and plenty of sunshine. The average high is 79°F (26°C), and the low is 57°F (14°C).

Average Temperatures

• High: 79°F (26°C)
• Low: 57°F (14°C)

Rainfall

April sees a slight increase in rainfall, averaging about 3 inches, but the weather remains predominantly sunny.

Sunshine

Expect approximately 9 hours of sunshine daily, making it ideal for outdoor events and festivals.

May: Transition to Summer Heat

May is the transition month from spring to summer, with temperatures beginning to rise significantly. The average high is 86°F (30°C), and the low is 66°F (19°C).

Average Temperatures

• High: 86°F (30°C)
• Low: 66°F (19°C)

Rainfall

May is one of the wetter months, with an average rainfall of 4 inches. Showers and thunderstorms are more frequent.

Sunshine

There are still around 9 hours of sunshine per day, but the increased humidity can make it feel warmer.

June: Start of the Hot Season

June marks the start of the hot season in San Antonio, with high temperatures and increased humidity. The average high is 92°F (33°C), and the low is 72°F (22°C).

Average Temperatures

• High: 92°F (33°C)
• Low: 72°F (22°C)

Rainfall

June sees moderate rainfall, averaging around 3.5 inches, often in the form of afternoon thunderstorms.

Sunshine

Expect approximately 10 hours of sunshine daily, but be prepared for intense heat during the day.

July: Peak Summer Heat

July is the hottest month in San Antonio, with average highs soaring to 95°F (35°C) and lows around 74°F (23°C). It’s essential to stay hydrated and seek shade during peak hours.

Average Temperatures

• High: 95°F (35°C)
• Low: 74°F (23°C)

Rainfall

July has relatively low rainfall, averaging about 2 inches. Most days are sunny and dry.

Sunshine

With around 10 hours of sunshine daily, July is perfect for water activities but requires caution due to the heat.

August: Continued Summer Heat

August is similar to July in terms of heat, with average highs of 95°F (35°C) and lows around 74°F (23°C). The humidity remains high, making it feel even hotter.

Average Temperatures

• High: 95°F (35°C)
• Low: 74°F (23°C)

Rainfall

August is one of the driest months, with an average rainfall of just over 2 inches.

Sunshine

Expect about 9 hours of sunshine per day, but the heat can be intense, so plan indoor activities during the hottest parts of the day.

September: Gradual Cooling

September brings a gradual cooling trend, with average highs dropping to 88°F (31°C) and lows around 68°F (20°C). The humidity also starts to decrease.

Average Temperatures

• High: 88°F (31°C)
• Low: 68°F (20°C)

Rainfall

Rainfall increases slightly, with an average of 3.5 inches, often accompanied by thunderstorms.

Sunshine

September still enjoys around 8 hours of sunshine daily, making it a pleasant time to be outdoors.

October: Mild and Pleasant

October is another excellent month to visit San Antonio, with mild temperatures and comfortable conditions. The average high is 80°F (27°C), and the low is 59°F (15°C). — Publix Thanksgiving Hours: Will It Be Open?

Average Temperatures

• High: 80°F (27°C)
• Low: 59°F (15°C)

Rainfall

October sees moderate rainfall, averaging around 3 inches. The weather is generally sunny and dry.

Sunshine

Expect about 7 hours of sunshine daily, ideal for exploring the city and its attractions.

November: Autumnal Weather

November offers autumnal weather with cooler temperatures. The average high is 69°F (21°C), and the low is 49°F (9°C). It’s a comfortable time for outdoor activities.

Average Temperatures

• High: 69°F (21°C)
• Low: 49°F (9°C)

Rainfall

November is relatively dry, with an average rainfall of about 2 inches.

Sunshine

There are approximately 6 hours of sunshine per day, making it a pleasant time for sightseeing.

December: Mild Winter

December in San Antonio is mild, with average highs around 62°F (17°C) and lows around 42°F (6°C). It’s a festive time with holiday events and decorations.

Average Temperatures

• High: 62°F (17°C)
• Low: 42°F (6°C)

Rainfall

December sees moderate rainfall, averaging around 2 inches.

Sunshine

Expect about 5 hours of sunshine daily, providing enough daylight to enjoy the city's holiday festivities.

FAQ About San Antonio Weather

1. What is the hottest month in San Antonio?

July and August are the hottest months in San Antonio, with average highs around 95°F (35°C).

2. What is the coldest month in San Antonio?

January is the coldest month, with average lows around 40°F (4°C).

3. When is the best time to visit San Antonio for pleasant weather?

The best times to visit San Antonio are April and October, which offer comfortable temperatures and plenty of sunshine. In our experience, these months strike a perfect balance between warm days and cool evenings, ideal for exploring the city's outdoor attractions.

4. How much rainfall does San Antonio get annually?

San Antonio averages about 32 inches of rainfall per year, distributed throughout the months. However, May and September tend to be the wettest months.

5. Are there any extreme weather events in San Antonio?

San Antonio can experience extreme heat during the summer months and occasional cold snaps in the winter. Severe thunderstorms and flooding are also possible, especially during the spring and fall. — Prairie Trail Middle School: A Comprehensive Guide

6. What should I pack for a trip to San Antonio?

Your packing list will depend on the time of year. For summer, pack lightweight, breathable clothing, sunscreen, and a hat. In winter, bring layers, including a light jacket and sweater. For spring and fall, a mix of clothing will be suitable, as temperatures can vary.

7. Does San Antonio get snow?

Snow is rare in San Antonio, but it does occur occasionally. When it does snow, the snowfall is usually light and doesn't last long. From our observations, snow events are sporadic and often just a dusting.

Conclusion

Understanding San Antonio's monthly weather patterns can significantly enhance your planning and enjoyment of the city. Whether you're visiting for a summer getaway or a winter escape, being prepared for the weather will help you make the most of your trip. Remember to stay hydrated during the hotter months and check the forecast regularly. Ready to explore San Antonio? Start planning your visit today and experience all that this vibrant city has to offer!