Climatological Report (Monthly)
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
506
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
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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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