855
CXUS53 KFSD 011650
CLMSUX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1050 AM CST THU JAN 01 2026
...............................
...THE SIOUX CITY IA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1889 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 71 12/06/1939
LOW -28 12/29/1917
HIGHEST 55 12/31 MM MM 65 12/07
12/08
LOWEST -15 12/14 MM MM 5 12/01
AVG. MAXIMUM 38.1 33.4 4.7 39.3
AVG. MINIMUM 14.6 14.8 -0.2 18.7
MEAN 26.4 24.1 2.3 29.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 11 13.2 -2.2 8
DAYS MIN <= 32 29 29.8 -0.8 30
DAYS MIN <= 0 5 3.7 1.3 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.87 1911
MINIMUM 0.01 1943
TOTALS 0.61 0.99 -0.38 0.49
DAILY AVG. 0.02 0.03 -0.01 0.02
DAYS >= .01 8 6.8 1.2 7
DAYS >= .10 2 2.6 -0.6 1
DAYS >= .50 0 0.4 -0.4 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.25 12/13 TO 12/13
SNOWFALL (INCHES)
RECORDS
TOTAL 34.0 2009
TOTALS 8.6 7.6 1.0 1.3
SINCE 7/1 16.6 11.6 5.0 2.5
SNOWDEPTH AVG. 3 0
DAYS >= 1.0 3 2.6 0.4 1
GREATEST
SNOW DEPTH 8 12/07 1 12/01
12/08
12/02
24 HR TOTAL 4.2 12/13 TO 12/13
DEGREE DAYS
HEATING TOTAL 1190 1268 -78 1110
SINCE 7/1 2365 2741 -376 2169
COOLING TOTAL 0 0 0 0
SINCE 1/1 1019 865 154 858
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WIND (MPH)
AVERAGE WIND SPEED 11.2
HIGHEST WIND SPEED/DIRECTION 49/330 DATE 12/10
HIGHEST GUST SPEED/DIRECTION 70/330 DATE 12/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.48
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 1 SNOW 3
LIGHT SNOW 11 SLEET 1
FOG 18 FOG W/VIS <= 1/4 MILE 6
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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