719
CDUS44 KEWX 180709
CLISAT
CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
109 AM CST THU DEC 18 2025
...............................
..THE SAN ANTONIO CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 66 4:15 PM 82 1990 64 2 80
MINIMUM 59 6:38 AM 19 1972 42 17 67
AVERAGE 63 53 10 74
PRECIPITATION (IN)
YESTERDAY 0.15 0.86 1934 0.07 0.08 0.00
MONTH TO DATE 0.29 1.13 -0.84 0.56
SINCE DEC 1 0.29 1.13 -0.84 0.56
SINCE JAN 1 27.02 31.51 -4.49 23.66
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE DEC 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 12 -10 0
MONTH TO DATE 172 187 -15 119
SINCE DEC 1 172 187 -15 119
SINCE JUL 1 250 408 -158 188
COOLING
YESTERDAY 0 0 0 9
MONTH TO DATE 4 8 -4 32
SINCE DEC 1 4 8 -4 32
SINCE JAN 1 3979 3140 839 4076
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 90 3:00 PM
AVERAGE 95
......................................................
THE SAN ANTONIO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 81 1955
2006
2012
MINIMUM TEMPERATURE (F) 42 22 1996
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:23 AM CST SUNSET 5:38 PM CST
DECEMBER 19 2025......SUNRISE 7:24 AM CST SUNSET 5:39 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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