130
CXUS53 KUNR 011711
CLMRAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1011 AM MST THU JAN 01 2026

...................................

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1942 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             75   12/04/1965
 LOW             -30   12/30/1990
HIGHEST           71   12/25                          69  12/07
LOWEST             0   12/29                           2  12/02
AVG. MAXIMUM    49.3               37.2    12.1     46.0
AVG. MINIMUM    20.5               13.9     6.6     18.6
MEAN            34.9               25.6     9.3     32.3
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     2                                   4
DAYS MIN <= 32    27                                  31
DAYS MIN <= 0      1                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.65   1975
 MINIMUM           T   2001
TOTALS          0.17               0.35   -0.18     0.46
DAILY AVG.      0.01               0.01   -0.00     0.01
DAYS >= .01        5                                   6
DAYS >= .10        0                                   1
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.09   12/02 TO 12/03               0.32


DEGREE DAYS
HEATING TOTAL    925               1223    -298     1003
 SINCE 7/1      2112               2910    -798       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       815                607     208       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    70/320    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    94/320    DATE  12/18

AVERAGE RH (PERCENT)     60

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          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                9     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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