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San Antonio, TX Weather on April 13
San Antonio hits 100°F on April 13, 1982 record
April 13 in San Antonio typically brings mild spring conditions with highs near 81°F and lows around 58°F. However, the date holds an extreme heat record dating back to 1982, when the mercury soared to 100°F, demonstrating how volatile spring weather can be in Texas. The coldest reading on record is 37°F in 1980, showing a 63-degree swing between extremes across the 55 years of data.
What to Expect on April 13
Planning for April 13th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Frequently Asked Questions
What was the warmest April 13 ever in San Antonio?
The warmest April 13 in San Antonio, TX reached 100°F in 1982. That is 19°F above the long-term average high of 81°F.
What was the coldest April 13 ever in San Antonio?
The coldest April 13 in San Antonio, TX dropped to 37°F in 1980. That is 21°F below the long-term average low of 58°F.
What is the average temperature on April 13 in San Antonio?
On April 13, San Antonio averages a high of 81°F and a low of 58°F based on 55 years of NOAA weather observations from SAN ANTONIO INCARNATE WORD.
How many years of weather data are available for April 13 in San Antonio?
We have 55 years of weather records for April 13 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.
April 13 Weather History in San Antonio
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 92°F | 62°F | 0" | -- |
| 2024 | 82°F | 49°F | 0" | -- |
| 2023 | 80°F | 54°F | 0" | -- |
| 2022 | 92°F | 70°F | -- | -- |
| 2021 | 90°F | 67°F | -- | -- |
| 2020 | 86°F | 53°F | -- | -- |
| 2019 | 78°F | 57°F | 0" | -- |
| 2018 | 86°F | 64°F | 0" | -- |
| 2017 | 80°F | 66°F | 0" | -- |
| 2016 | 75°F | 59°F | 1.27" | -- |
| 2015 | 83°F | 64°F | 0" | -- |
| 2014 | 86°F | 70°F | 0" | -- |
| 2013 | 81°F | 44°F | 0" | -- |
| 2012 | 82°F | 69°F | 0.33" | -- |
| 2011 | 84°F | 51°F | 0" | -- |
| 2010 | 77°F | 59°F | 0" | -- |
| 2009 | 85°F | 53°F | 0" | -- |
| 2008 | 77°F | 43°F | 0" | -- |
| 2007 | 81°F | 49°F | 0.03" | -- |
| 2006 | 85°F | 67°F | 0" | -- |
| 2005 | 83°F | 48°F | 0" | -- |
| 2004 | 68°F | 43°F | 0" | -- |
| 2003 | 81°F | 54°F | 0" | -- |
| 2002 | 85°F | 66°F | 0" | -- |
| 2001 | 80°F | 64°F | 0" | -- |
| 2000 | 69°F | 55°F | 0.05" | -- |
| 1999 | 79°F | 67°F | 0.05" | -- |
| 1998 | 81°F | 59°F | 0" | -- |
| 1997 | 59°F | 39°F | 0" | -- |
| 1996 | 95°F | 55°F | 0" | -- |
| 1995 | 85°F | 50°F | 0" | -- |
| 1994 | 86°F | 51°F | 0" | -- |
| 1993 | 78°F | 70°F | 0" | -- |
| 1992 | 83°F | 67°F | 0" | -- |
| 1991 | 89°F | 72°F | 0.38" | -- |
| 1990 | 77°F | 60°F | 0.46" | -- |
| 1989 | 59°F | 50°F | 2.74" | -- |
| 1988 | 85°F | 42°F | 0" | -- |
| 1987 | 81°F | 61°F | 0" | -- |
| 1986 | 92°F | 65°F | 0" | -- |
| 1985 | 77°F | 58°F | 2.95" | -- |
| 1984 | 89°F | 51°F | 0" | -- |
| 1983 | 81°F | 61°F | 0" | -- |
| 1982 | 100°F | 58°F | 0" | -- |
| 1981 | 87°F | 68°F | 0" | -- |
| 1980 | 60°F | 37°F | 0.25" | -- |
| 1979 | 83°F | 59°F | 0" | -- |
| 1978 | 76°F | 44°F | 0" | -- |
| 1977 | 76°F | 65°F | 2.03" | -- |
| 1976 | 80°F | 67°F | 0" | -- |
| 1975 | 68°F | 56°F | 0.28" | -- |
| 1974 | 90°F | 67°F | 0.03" | -- |
| 1973 | 70°F | 64°F | 0.2" | -- |
| 1972 | 92°F | 69°F | 0" | -- |
| 1971 | 86°F | 63°F | 0" | -- |
Based on 55 years of data from NOAA station: SAN ANTONIO INCARNATE WORD
How Has April 13 Changed?
The last decade has been 5.8°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.