137
CDUS45 KBYZ 171040
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
340 AM MST WED DEC 17 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 16 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 155 PM 67 1980 36 21 36
MINIMUM 43 934 PM -26 1964 19 24 23
AVERAGE 50 27 23 30
PRECIPITATION (IN)
YESTERDAY 0.00 0.65 1955 0.02 -0.02 0.00
MONTH TO DATE 1.28 0.29 0.99 0.25
SINCE OCT 1 3.77 2.26 1.51 1.05
SINCE JAN 1 18.17 14.03 4.14 11.71
SNOWFALL (IN)
YESTERDAY 0.0 13.0 1955 0.3 -0.3 0.0
MONTH TO DATE 14.1 4.6 9.5 T
SINCE DEC 1 14.1 4.6 9.5 T
SINCE JUL 1 21.1 15.9 5.2 3.9
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 15 38 -23 35
MONTH TO DATE 512 579 -67 453
SINCE DEC 1 512 579 -67 453
SINCE JUL 1 1741 2181 -440 1725
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 659 662 -3 790
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WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 12.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 1000 PM
LOWEST 35 600 AM
AVERAGE 47
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THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 67 1939
MINIMUM TEMPERATURE (F) 19 -24 1964
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 750 AM MST SUNSET 431 PM MST
DECEMBER 18 2025......SUNRISE 751 AM MST SUNSET 431 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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