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San Antonio, TX Weather on May 28
San Antonio hits 100°F on May 28, 2011 - a scorching record
May 28 in San Antonio typically brings pleasantly warm afternoons around 89°F, but the day has seen dramatic extremes over 55 years of records. The most severe heat came in 2011 when temperatures soared to 100°F, while the coldest reading of 55°F occurred back in 1976, showing a remarkable 45-degree swing in what the day can deliver. This wide range underscores how unpredictable late May weather can be in South Texas.
What to Expect on May 28
Planning for May 28th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Frequently Asked Questions
What was the warmest May 28 ever in San Antonio?
The warmest May 28 in San Antonio, TX reached 100°F in 2011. That is 11°F above the long-term average high of 89°F.
What was the coldest May 28 ever in San Antonio?
The coldest May 28 in San Antonio, TX dropped to 55°F in 1976. That is 15°F below the long-term average low of 70°F.
What is the average temperature on May 28 in San Antonio?
On May 28, San Antonio averages a high of 89°F and a low of 70°F based on 55 years of NOAA weather observations from SAN ANTONIO INCARNATE WORD.
How many years of weather data are available for May 28 in San Antonio?
We have 55 years of weather records for May 28 in San Antonio, TX, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 28 Weather History in San Antonio
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 86°F | 66°F | 5.21" | -- |
| 2024 | 96°F | 77°F | 0" | -- |
| 2023 | 85°F | 70°F | 0" | -- |
| 2022 | 99°F | 73°F | 0" | -- |
| 2021 | 88°F | 74°F | -- | -- |
| 2020 | 91°F | 61°F | -- | -- |
| 2019 | 89°F | 73°F | 0" | -- |
| 2018 | 96°F | 71°F | 0" | -- |
| 2017 | 91°F | 77°F | 0" | -- |
| 2016 | 91°F | 70°F | 0" | -- |
| 2015 | 89°F | 65°F | 0.94" | -- |
| 2014 | 81°F | 64°F | 0.25" | -- |
| 2013 | 89°F | 72°F | 0" | -- |
| 2012 | 89°F | 73°F | 0" | -- |
| 2011 | 100°F | 74°F | 0" | -- |
| 2010 | 89°F | 68°F | 0" | -- |
| 2009 | 89°F | 68°F | 0" | -- |
| 2008 | 95°F | 73°F | 0" | -- |
| 2007 | 80°F | 64°F | 0.23" | -- |
| 2006 | 95°F | 65°F | 2.49" | -- |
| 2005 | 87°F | 67°F | 0.86" | -- |
| 2004 | 89°F | 69°F | 0.28" | -- |
| 2003 | 83°F | 67°F | 0" | -- |
| 2002 | 89°F | 63°F | 0.15" | -- |
| 2001 | 94°F | 72°F | 0" | -- |
| 2000 | 91°F | 67°F | 0.76" | -- |
| 1999 | 87°F | 66°F | 0" | -- |
| 1998 | 90°F | 64°F | 0" | -- |
| 1997 | 86°F | 67°F | 0" | -- |
| 1996 | 93°F | 78°F | 0" | -- |
| 1995 | 94°F | 76°F | 0" | -- |
| 1994 | 92°F | 70°F | 0" | -- |
| 1993 | 86°F | 69°F | 2.79" | -- |
| 1992 | 86°F | 61°F | 0" | -- |
| 1991 | 93°F | 74°F | 0" | -- |
| 1990 | 88°F | 75°F | 0" | -- |
| 1989 | 97°F | 74°F | 0" | -- |
| 1988 | 88°F | 67°F | 0" | -- |
| 1987 | 85°F | 76°F | 0.03" | -- |
| 1986 | 85°F | 63°F | 0" | -- |
| 1985 | 90°F | 75°F | 0" | -- |
| 1984 | 91°F | 67°F | 1.52" | -- |
| 1983 | 88°F | 68°F | 0" | -- |
| 1982 | 87°F | 74°F | 0.05" | -- |
| 1981 | 92°F | 75°F | 0" | -- |
| 1980 | 90°F | 74°F | 0.03" | -- |
| 1979 | 85°F | 68°F | 0.3" | -- |
| 1978 | 88°F | 76°F | 0" | -- |
| 1977 | 80°F | 72°F | 0" | -- |
| 1976 | 83°F | 55°F | 0" | -- |
| 1975 | 83°F | 71°F | 0" | -- |
| 1974 | 91°F | 67°F | 0" | -- |
| 1973 | 89°F | 65°F | 0" | -- |
| 1972 | 85°F | 62°F | 0" | -- |
| 1971 | 93°F | 73°F | 0" | -- |
Based on 55 years of data from NOAA station: SAN ANTONIO INCARNATE WORD
How Has May 28 Changed?
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for San Antonio, TX, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.