CXUS55 KBOU 012306
CLMDEN

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DENVER/BOULDER
406 PM MST THU JAN 01 2026

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...THE DENVER CO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR'S         
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)       
                                          NORMAL                       
................................................................
TEMPERATURE (F)
RECORD
 HIGH             79   12/05/1939                                      
 LOW             -25   12/22/1990                                      
                       12/24/1876                                      
HIGHEST           76   12/22         62      14       68  12/20        
LOWEST             8   12/29         -4      12       11  12/10        
AVG. MAXIMUM    57.5               44.0    13.5     53.7               
AVG. MINIMUM    27.2               18.4     8.8     25.1               
MEAN            42.3               31.2    11.1     39.4               
DAYS MAX >= 90     0                0.0     0.0        0               
DAYS MAX <= 32     0                6.4    -6.4        0               
DAYS MIN <= 32    20               29.2    -9.2       29               
DAYS MIN <= 0      0                1.9    -1.9        0               

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.21   1913                                            
 MINIMUM        0.00   1881                                            
TOTALS          0.33               0.35   -0.02     0.04               
DAILY AVG.      0.01               0.01   -0.00     0.00               
DAYS >= .01        2                4.4    -2.4        1               
DAYS >= .10        1                1.4    -0.4        0               
DAYS >= .50        0                0.0     0.0        0               
DAYS >= 1.00       0                0.0     0.0        0               
GREATEST
 24 HR. TOTAL   0.26   12/03 TO 12/03               0.04  12/31 TO 12/31
 STORM TOTAL    0.26                                0.04               
 (MM/DD(HH))            MM                                             

SNOWFALL (INCHES)
RECORDS
 TOTAL          57.4   1913                                            
TOTALS           6.6                 MM      MM                        

DEGREE DAYS
HEATING TOTAL    695               1048    -353      783               
 SINCE 7/1      1705               2371    -666       MM               
COOLING TOTAL      0                  0       0        0               
 SINCE 1/1       848                849      -1       MM               

FREEZE DATES
RECORD
 EARLIEST     09/08/1962                                               
 LATEST       06/08/2007                                               
EARLIEST                        10/18                                  
LATEST                          04/29                                  
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WIND (MPH)
AVERAGE WIND SPEED              10.1                                   
RESULTANT WIND SPEED/DIRECTION   4/230                                 
HIGHEST WIND SPEED/DIRECTION    47/280    DATE  12/17                  
HIGHEST GUST SPEED/DIRECTION    65/260    DATE  12/17                  

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM                                       
AVERAGE SKY COVER           0.51                                       
NUMBER OF DAYS FAIR            7                                       
NUMBER OF DAYS PC             22                                       
NUMBER OF DAYS CLOUDY          2                                       


WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM              1     MIXED PRECIP               0          
HEAVY RAIN                0     RAIN                       0         
LIGHT RAIN                1     FREEZING RAIN              0          
LT FREEZING RAIN          0     HAIL                       0         
HEAVY SNOW                0     SNOW                       1          
LIGHT SNOW                3     SLEET                      0          
FOG                       4     FOG W/VIS <= 1/4 MILE      1           
HAZE                      1                                            

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

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