Climatological Report (Monthly)
Issued by NWS Austin/San Antonio, TX
Issued by NWS Austin/San Antonio, TX
470
CXUS54 KEWX 011937
CLMSAT
CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
217 PM CDT MON SEP 01 2025
...................................
...THE SAN ANTONIO CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
HIGHEST 102 08/14 108 08/21
08/29
LOWEST 72 08/05 72 08/29
08/22
08/31
AVG. MAXIMUM 98.7 96.0 2.7 99.3
AVG. MINIMUM 76.4 74.9 1.5 78.1
MEAN 87.5 85.5 2.0 88.7
DAYS MAX >= 90 31 31
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 3.55 2.15 1.40 0.38
DAILY AVG. 0.11 0.07 0.04 0.01
DAYS >= .01 3 4
DAYS >= .10 2 2
DAYS >= .50 1 0
DAYS >= 1.00 1 0
GREATEST
24 HR. TOTAL 3.11 08/31 TO 08/31
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 706 634 72 742
SINCE 1/1 2935 2399 536 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.6
HIGHEST WIND SPEED/DIRECTION MM DATE MM
HIGHEST GUST SPEED/DIRECTION MM DATE MM
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.48
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 22
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 2
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 2 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
MONTHLY CLIMATE SUMMARY:
AUGUST 2025 WAS TIED FOR THE 10TH WARMEST AND 33RD WETTEST ON RECORD.
SUMMER 2025 WAS TIED FOR THE 15TH WARMEST AND 19TH WETTEST ON RECORD.
IT IS NOTABLE THAT 75 PERCENT OF SAN ANTONIO`S RAINFALL FELL ON TWO
CALENDAR DAYS, JUNE 12TH AND AUGUST 31ST.
SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.14 ON THE 6TH
LOWEST SLP 29.79 ON THE 30TH
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SAN ANTONIO
MONTH: AUGUST
YEAR: 2025
LATITUDE: 29 31 N
LONGITUDE: 98 28 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 101 78 90 4 0 25 0.00 0.0 0 6.6 17 130 M M 5 23 120
2 101 76 89 3 0 24 T 0.0 0 4.6 28 310 M M 7 3 38 310
3 100 72 86 0 0 21 0.00 0.0 0 5.3 16 160 M M 4 21 160
4 93 76 85 -1 0 20 0.00 0.0 0 8.4 18 100 M M 5 26 120
5 98 72 85 -1 0 20 0.00 0.0 0 4.9 17 90 M M 3 23 100
6 99 76 88 2 0 23 0.00 0.0 0 9.2 22 140 M M 6 29 150
7 99 77 88 2 0 23 0.00 0.0 0 8.5 18 160 M M 4 23 170
8 100 77 89 3 0 24 0.00 0.0 0 8.0 17 150 M M 3 23 150
9 100 78 89 3 0 24 0.00 0.0 0 8.1 22 130 M M 1 28 110
10 99 78 89 3 0 24 0.00 0.0 0 7.8 23 130 M M 4 31 140
11 99 78 89 3 0 24 0.00 0.0 0 7.7 22 130 M M 4 26 130
12 101 79 90 4 0 25 0.00 0.0 0 7.1 20 360 M M 4 3 28 10
13 100 80 90 4 0 25 T 0.0 0 8.2 26 80 M M 6 3 37 100
14 102 79 91 5 0 26 0.00 0.0 0 11.5 24 130 M M 5 33 120
15 97 79 88 2 0 23 T 0.0 0 12.7 24 120 M M 6 3 33 120
16 98 76 87 1 0 22 0.06 0.0 0 11.4 23 140 M M 7 3 32 130
17 101 79 90 4 0 25 0.00 0.0 0 9.9 23 130 M M 5 29 140
18 101 78 90 4 0 25 0.00 0.0 0 6.6 17 150 M M 3 22 150
19 98 76 87 1 0 22 0.00 0.0 0 6.3 32 310 M M 5 3 43 310
20 99 73 86 1 0 21 0.00 0.0 0 5.6 24 40 M M 6 31 40
21 90 75 83 -2 0 18 0.00 0.0 0 6.5 23 20 M M 7 3 35 30
22 98 72 85 0 0 20 0.00 0.0 0 6.0 24 70 M M 7 42 70
23 96 74 85 0 0 20 0.00 0.0 0 5.7 16 90 M M 6 25 80
24 99 74 87 2 0 22 0.00 0.0 0 6.9 20 130 M M 3 26 120
25 98 76 87 2 0 22 0.00 0.0 0 7.0 18 120 M M 3 25 130
26 96 76 86 2 0 21 0.00 0.0 0 5.8 21 140 M M 6 26 150
27 98 78 88 4 0 23 0.00 0.0 0 8.5 22 120 M M 7 28 110
28 101 78 90 6 0 25 0.00 0.0 0 10.2 21 140 M M 4 26 160
29 102 79 91 7 0 26 0.00 0.0 0 8.2 16 40 M M 3 22 70
30 100 77 89 5 0 24 0.38 0.0 0 6.3 29 120 M M 5 13 35 130
31 96 72 84 0 0 19 3.11 0.0 0 7.2 33 340 M M 8 13 59 20
================================================================================
SM 3060 2368 0 706 3.55 0.0 236.7 M 152
================================================================================
AV 98.7 76.4 7.6 FASTST M M 5 MAX(MPH)
MISC ----> 33 340 59 20
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
SYMBOLS USED IN COLUMN 16
1 = FOG OR MIST
2 = FOG REDUCING VISIBILITY TO 1/4 MILE OR LESS
3 = THUNDER
4 = ICE PELLETS
5 = HAIL
6 = FREEZING RAIN OR DRIZZLE
7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO
$$