Third-hottest August, fifth-hottest summer on record now belong to 2024 in San Antonio

Key Points:

• Aug. 2024 was the third-hottest on record in San Antonio
• Summer 2024 (defined as June, July and August) was the fifth-hottest on record in San Antonio
• Records for the Alamo City date back to the mid-1880s
• This follows the hottest summer on record in San Antonio, set back in 2023

August Temperatures

• Coolest morning low: 72 degrees on Aug. 29
• Hottest afternoon high: 108 degrees on Aug. 21

>>>READ: Wednesday was San Antonio’s hottest day in 11 years 🤯

• Average monthly temperature: 88.7 degrees -- 3.2 degrees above average

Aug. 2024 brought 15 triple-digit days in the Alamo City, 13 of which were consecutive.

August Rainfall

• Monthly rainfall total: 0.38″
• Highest daily rainfall total: 0.15″ on August 27
• Number of days with measurable rainfall: 4

Last month rang in drier than average with a monthly rainfall total of 0.38 inches. This is 1.77 inches below the average of 2.15 inches.

This brings our year-to-date total to 19.83 inches, which is 0.84 inches below where we should be for this time of year when compared to the average.

Hottest Summers on Record

While not as hot as 2023 (which rang in as the hottest summer on record in San Antonio) and despite a stretch of cooler-than-average temperatures in late July, the summer of 2024 still proved to be hot enough to grab the fifth-hottest spot in the Alamo City’s history:

Looking Ahead to September

• On average, September is typically our second-wettest month of the year with an average monthly rainfall total of 3.88 inches.
• While the average high temperature at the beginning of the month is 93 degrees, the average high at the end of the month falls to 87 degrees.
• The average low temperature at the beginning of the month is 73 degrees, while the average low at the end of the month drops to 66 degrees.
• Looking for some cooler weather? History tells us the average first cool front for San Antonio falls usually in late September.

We’ll see what we can find over the next 30 days. Fingers crossed for more rain!

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