Climatological Report (Monthly)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
095
CXUS55 KBYZ 011151
CLMBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
451 AM MST THU JAN 01 2026
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...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2025
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 61 12/11
12/25
LOWEST 3 12/28
AVG. MAXIMUM 43.9 36.1 7.8
AVG. MINIMUM 25.0 19.2 5.8
MEAN 34.5 27.6 6.9
DAYS MAX >= 90 0
DAYS MAX <= 32 3
DAYS MIN <= 32 23
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
TOTALS 1.39 0.57 0.82
DAYS >= .01 8
DAYS >= .10 2
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 1.09 12/11 TO 12/12
SNOWFALL (INCHES)
TOTALS 14.1 9.8 4.3
SINCE 7/1 21.1 21.1 0.0
SNOWDEPTH AVG. 2
DAYS >= TRACE 13
DAYS >= 1.0 2
GREATEST
SNOW DEPTH 12 12/13
12/14
24 HR TOTAL 13.0 12/11 TO 12/12
DEGREE DAYS
HEATING TOTAL 939 1158 -219
SINCE 7/1 2168 2761 -593
COOLING TOTAL 0 0 0
SINCE 1/1 659 662 -3
................................................
WIND (MPH)
AVERAGE WIND SPEED 12.3
HIGHEST WIND SPEED/DIRECTION 61/280 DATE 12/17
HIGHEST GUST SPEED/DIRECTION 79/280 DATE 12/17
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 1
HEAVY SNOW 1 SNOW 3
LIGHT SNOW 12 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 4
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$