866
CXUS54 KEWX 020902
CLMDRT
CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
235 AM CST FRI JAN 02 2026
...............................
..THE DEL RIO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1906 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
HIGHEST 84 12/27 91 12/30
LOWEST 36 12/31 30 12/11
AVG. MAXIMUM 71.1 67.8 3.3 72.3
AVG. MINIMUM 47.0 44.3 2.7 49.5
MEAN 59.0 56.1 2.9 60.9
DAYS MAX >= 90 0 1
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 1
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.01 0.70 -0.69 0.18
DAILY AVG. 0.00 0.02 -0.02 0.01
DAYS >= .01 1 4
DAYS >= .10 0 1
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.01 12/16 TO 12/16
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 214 291 -77 147
SINCE 7/1 271 428 -157 MM
COOLING TOTAL 36 14 22 29
SINCE 1/1 4462 4233 229 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.6
HIGHEST WIND SPEED/DIRECTION 25/310 DATE 12/07
HIGHEST GUST SPEED/DIRECTION 39/040 DATE 12/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.29
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 2
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
MONTHLY CLIMATE SUMMARY:
DECEMBER 2025 WAS THE 3RD WARMEST AND TIED FOR THE 8TH DRIEST ON RECORD.
YEARLY CLIMATE SUMMARY:
2025 WAS THE 3RD WARMEST ON RECORD AS WELL AS THE 3RD DRIEST YEAR ON RECORD.
SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.61 ON THE 30TH
LOWEST SLP 29.76 ON THE 18TH
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: DEL RIO
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 29 22 N
LONGITUDE: 100 55 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 58 46 52 -7 13 0 0.00 0.0 0 2.2 9 170 M M 5 14 50
2 62 40 51 -7 14 0 0.00 0.0 0 6.9 16 140 M M 1 21 130
3 70 44 57 -1 8 0 0.00 0.0 0 7.3 13 110 M M 0 19 110
4 58 50 54 -4 11 0 T 0.0 0 8.5 18 320 M M 8 30 340
5 58 48 53 -5 12 0 T 0.0 0 7.2 13 130 M M 4 17 110
6 75 44 60 3 5 0 0.00 0.0 0 3.1 8 150 M M 0 12 70
7 76 45 61 4 4 0 0.00 0.0 0 8.3 25 310 M M 0 1 36 320
8 70 38 54 -3 11 0 0.00 0.0 0 5.2 14 140 M M 0 20 120
9 71 40 56 -1 9 0 0.00 0.0 0 9.1 16 140 M M 0 21 140
10 78 39 59 2 6 0 0.00 0.0 0 7.2 18 10 M M 0 27 360
11 72 40 56 0 9 0 0.00 0.0 0 6.0 17 140 M M 0 22 150
12 78 42 60 4 5 0 0.00 0.0 0 3.7 9 70 M M 0 13 90
13 76 50 63 7 2 0 0.00 0.0 0 3.2 9 160 M M 4 1 12 130
14 61 43 52 -4 13 0 T 0.0 0 10.4 22 310 M M 8 1 33 320
15 53 45 49 -7 16 0 0.00 0.0 0 7.4 14 120 M M 10 19 120
16 60 52 56 0 9 0 0.01 0.0 0 9.6 16 140 M M 10 22 120
17 68 51 60 4 5 0 0.00 0.0 0 5.3 14 320 M M 5 1 19 300
18 82 41 62 6 3 0 0.00 0.0 0 7.0 17 360 M M 0 1 25 30
19 72 40 56 1 9 0 0.00 0.0 0 9.3 23 150 M M 0 8 31 140
20 77 42 60 5 5 0 0.00 0.0 0 3.7 13 100 M M 1 1 19 100
21 76 45 61 6 4 0 0.00 0.0 0 6.3 15 310 M M 0 22 290
22 77 46 62 7 3 0 0.00 0.0 0 5.2 17 140 M M 3 18 25 130
23 82 63 73 18 0 8 0.00 0.0 0 10.3 20 140 M M 3 12 27 140
24 77 61 69 14 0 4 0.00 0.0 0 7.9 17 140 M M 5 1 21 140
25 79 58 69 14 0 4 0.00 0.0 0 5.9 10 150 M M 3 12 15 100
26 83 56 70 15 0 5 0.00 0.0 0 4.3 10 80 M M 0 14 90
27 84 62 73 18 0 8 0.00 0.0 0 10.8 21 140 M M 2 1 27 150
28 83 61 72 17 0 7 0.00 0.0 0 6.6 24 30 M M 4 39 40
29 61 47 54 -1 11 0 T 0.0 0 8.9 22 20 M M 10 38 40
30 57 43 50 -5 15 0 0.00 0.0 0 3.1 12 340 M M 7 16 310
31 69 36 53 -2 12 0 0.00 0.0 0 6.0 13 170 M M 0 16 110
================================================================================
SM 2203 1458 214 36 0.01 0.0 205.9 M 93
================================================================================
AV 71.1 47.0 6.6 FASTST M M 3 MAX(MPH)
MISC ----> 25 310 39 40
================================================================================
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
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