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CXUS53 KFSD 011649
CLMFSD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1049 AM CST THU JAN 01 2026
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..THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 63 12/03/1998
12/02/1998
LOW -31 12/29/1917
HIGHEST 49 12/27 MM MM 57 12/07
LOWEST -14 12/14 MM MM 0 12/11
12/12
AVG. MAXIMUM 34.0 31.6 2.4 34.8
AVG. MINIMUM 12.1 13.4 -1.3 16.9
MEAN 23.0 22.5 0.5 25.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 10 16.3 -6.3 12
DAYS MIN <= 32 31 30.4 0.6 30
DAYS MIN <= 0 5 5.9 -0.9 2
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.97 1945
MINIMUM T 1986
TOTALS 0.80 0.83 -0.03 0.66
DAILY AVG. 0.03 0.03 0.00 0.02
DAYS >= .01 10 7.0 3.0 7
DAYS >= .10 4 2.3 1.7 1
DAYS >= .50 0 0.4 -0.4 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.29 12/06 TO 12/06
SNOWFALL (INCHES)
RECORDS
TOTAL 41.1 1968
TOTALS 12.0 8.7 3.3 3.4
SINCE 7/1 20.3 16.3 4.0 MM
SNOWDEPTH AVG. 3 0
DAYS >= 1.0 4 2.7 1.3 1
GREATEST
SNOW DEPTH 8 12/08 1 12/20
12/21
12/22
24 HR TOTAL 4.9 12/06 TO 12/06
DEGREE DAYS
HEATING TOTAL 1294 1317 -23 1207
SINCE 7/1 2562 2853 -291 2346
COOLING TOTAL 0 0 0 0
SINCE 1/1 927 847 80 835
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WIND (MPH)
AVERAGE WIND SPEED 10.3
HIGHEST WIND SPEED/DIRECTION 52/330 DATE 12/10
HIGHEST GUST SPEED/DIRECTION 71/320 DATE 12/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.71
NUMBER OF DAYS FAIR 1
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 15
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 3 HAIL 0
HEAVY SNOW 2 SNOW 4
LIGHT SNOW 15 SLEET 1
FOG 16 FOG W/VIS <= 1/4 MILE 5
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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