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CXUS55 KFGZ 021754
CLMFLG
CLIMATE REPORT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1054 AM MST FRI JAN 02 2026
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...THE FLAGSTAFF AZ AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 68 12/11/1950
LOW -23 12/23/1990
12/08/1978
HIGHEST 68R 12/11 62 12/21
LOWEST 16 12/02 11 12/11
12/05
AVG. MAXIMUM 53.3 43.0 10.3 53.9
AVG. MINIMUM 24.6 16.9 7.7 19.5
MEAN 39.0 30.0 9.0 36.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 4.3 -4.3 0
DAYS MIN <= 32 28 30.1 -2.1 31
DAYS MIN <= 0 0 1.3 -1.3 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 13.45 2017
MINIMUM 0.00 2024
TOTALS 0.73 1.90 -1.17 0.00
DAILY AVG. 0.02 0.06 -0.04 0.00
DAYS >= .01 5 6.7 -1.7 0
DAYS >= .10 2 3.9 -1.9 0
DAYS >= .50 0 1.0 -1.0 0
DAYS >= 1.00 0 0.4 -0.4 0
GREATEST
24 HR. TOTAL 0.49 12/24 TO 12/25 0.00
SNOWFALL (INCHES)
RECORDS
TOTAL 86.0 1967
TOTALS 1.0 18.5 0.0
SINCE 7/1 8.1 28.2 -20.1 2.7
SNOWDEPTH AVG. MM MM
GREATEST
SNOW DEPTH MM 0 MM
24 HR TOTAL MM 0.0
DEGREE DAYS
HEATING TOTAL 797 1086 -289 870
SINCE 7/1 2131 2726 -595 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 229 146 83 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.5
HIGHEST WIND SPEED/DIRECTION 35/220 DATE 12/24
HIGHEST GUST SPEED/DIRECTION 51/210 DATE 12/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.14
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 5 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 3
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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