Austin Sets 155-Year Monthly Heat Record

For other record temperature posts, see:
Record Heat
Record Cold

The National Weather Service reports that Austin, Texas broke its all-time monthly heat record in July. Records in Austin date back to 1854. San Antonio also had its hottest month since records began there in 1885. San Antonio also broke its record for the number of 100-degree days in a month.

JULY 2009 WAS THE WARMEST JULY AND ALL-TIME MONTH AT AUSTIN MABRY
FROM 1854 TO JULY 2009 AND AT SAN ANTONIO FROM 1885 TO JULY 2009.   
AT DEL RIO...JULY 2009 WAS THE 3RD WARMEST JULY AND 3RD WARMEST 
MONTH FROM 1906 TO JULY 2009. THE AVERAGE TEMPERATURE FOR JULY 2009 
WAS 89.5 AT AUSTIN MABRY...90.0 AT DEL RIO...88.7 AT SAN ANTONIO...
AND 87.8 AT AUSTIN BERGSTROM.

THE TABLE BELOW LISTS THE WARMEST JULYS OF RECORD.

AUSTIN MABRY 1854 TO 2009

1. 89.5  JULY 2009...ALSO WARMEST ALL-TIME MONTH 1854 TO JULY 2009
2. 89.1  JULY 1860
3. 88.3  JULY 1879 AND JULY 1884
4. 88.0  JULY 1998 

AUSTIN BERGSTROM 1943 TO 2009

1. 88.5  JULY 1954
2. 88.2  JULY 1994
3. 88.0  JULY 1956 AND JULY 1957
4. 87.9  JULY 1980
5. 87.8  JULY 2009 AND JULY 1951

DEL RIO 1906 TO 2009

1. 91.7  JULY 1998
2. 90.1  JULY 1980
3. 90.0  JULY 2009
4. 89.7  JULY 1953 AND JULY 2000

SAN ANTONIO 1885 TO 2009

1. 88.7  JULY 2009...ALSO WARMEST ALL-TIME MONTH 1885 TO JULY 2009
2. 88.1  JULY 1980 AND JULY 1998
3. 87.9  JULY 1994
4. 87.3  JULY 1996

THE TABLE BELOW SHOWS THE NUMBER OF 100 DEGREE DAYS IN JULY 2009 AT 
LOCATIONS ACROSS SOUTH CENTRAL TEXAS.  THE 22 100 DEGREE DAYS AT
SAN ANTONIO IN JULY 2009 BROKE THE OLD RECORD OF 21 DAYS FOR 100
DEGREE DAYS IN JULY AND ANY MONTH...PREVIOUSLY SET IN JULY 1998.

LOCATION                        NUMBER OF 100 DEGREE DAYS
                                     IN JULY OF 2009

NEW BRAUNFELS MUNICIPAL AIRPORT..........27
SAN ANTONIO STINSON FIELD................26
AUSTIN MABRY.............................26
HONDO....................................25
UVALDE...................................25
SAN MARCOS...............................25
DEL RIO..................................24
LA GRANGE................................23
AUSTIN BERGSTROM INTERNATIONAL AIRPORT...23
SAN ANTONIO INTERNATIONAL AIRPORT........22
GIDDINGS.................................20
KERRVILLE................................19
PLEASANTON...............................17
LLANO....................................17
BURNET...................................13