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IT’S OFFICIAL: San Antonio sees most 100-degree days in a year on record

Records for The Alamo City date back to the 1880s

San Antonio experiences the most 100° days in a year on record in 2023 (Copyright 2023 by KSAT - All rights reserved.)

SAN ANTONIO – On Sunday, August 27, the thermometer reached 100° or hotter in San Antonio for the 60th time in 2023 -- that’s the most on record for any given year!

KEY POINTS

  • The San Antonio International Airport has officially seen temps 100° or hotter for the 60th time in 2023 as we hit 100° Sunday afternoon, August 27
  • 2023 is now the year with the most 100-degree days on record for San Antonio
  • Summer 2023 will likely be the hottest on record for The Alamo City
  • August 2023 will likely be San Antonio’s hottest month ever on record
  • There is no correlation between a hot summer and a cold/rainy winter
The top 5 years for 100-degree days (Copyright 2023 by KSAT - All rights reserved.)

There’s no doubt that this summer has been brutally hot, and now we have another superlative to add to 2023: the most triple-digit days on record with 60 days so far this year.

The previous record was held in 2009 at 59 days. Last year, 2022 is now in a close third place at 58 days. For reference, the average number of 100 days the Alamo City sees each year is 18.

Hottest Summer Ever?

With only a few days left in August, it looks like Summer 2023 will go down in the record books as our hottest summer (June, July, & August) ever in San Antonio. This makes sense given the fact that we have seen 16 days when the temperature was at least 105°!

What’s more, is that August 2023 could beat August 2011 as San Antonio’s hottest month ever on record.

Any Relief Soon?

It’s just a matter of time before we see cooler weather in South Central Texas. Here are some general dates that you can keep in mind if the heat’s getting to ya:

  • The average first cold front for San Antonio falls usually in late September
  • San Antonio’s average first freeze is at the end of November

While drought lingers on, we’re cautiously optimistic that a switch to an El Nino weather pattern will tip the scale for more rain in winter and early 2024. We’ll keep you posted!

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About the Author
Sarah Spivey headshot

Sarah Spivey is a San Antonio native who grew up watching KSAT. She has been a proud member of the KSAT Weather Authority Team since 2017. Sarah is a Clark High School and Texas A&M University graduate. She previously worked at KTEN News. When Sarah is not busy forecasting, she enjoys hanging out with her husband and cat, and playing music.

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