Important points:

• August 2024 was the third hottest on record in San Antonio

• The summer of 2024 (defined as June, July, and August) was the fifth hottest on record in San Antonio.

• Records of Alamo City date back to the mid-1880s.

Temperatures in August

• Coolest morning low: 72 degrees on August 29

• Hottest afternoon maximum: 108 degrees on August 21

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

• Monthly average temperature: 88.7 degrees – 3.2 degrees above average

August 2024 brought 15 days of triple-digit temperatures to the Alamo City, 13 of them in a row.

Precipitation in August

• Monthly rainfall: 0.38″

• Highest daily rainfall: 0.15″ on August 27

• Number of days with measurable precipitation: 4

Last month was drier than usual, with monthly precipitation totaling 0.38 inches. That’s 1.77 inches less than the average of 2.15 inches.

This brings our year-to-date total to 19.83 inches, which is 0.84 inches below the average expected for this time of year.

Hottest summer ever

While the summer of 2024 was not as hot as 2023 (which was considered the hottest summer on record in San Antonio), and despite a period of below-average temperatures in late July, it was still hot enough to secure the fifth hottest spot in Alamo City history:

Outlook for September

• On average, September is our second wettest month of the year, with an average monthly rainfall of 3.88 inches (9.88 mm).

• While the average high temperature at the beginning of the month is 93 degrees, the average high temperature at the end of the month drops to 87 degrees.

• The average low temperature at the beginning of the month is 73 degrees, while the average low temperature at the end of the month drops to 66 degrees.

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