633
CDUS45 KBYZ 172333
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
433 PM MST WED DEC 17 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 57 1138 AM 67 1939 35 22 38
MINIMUM 43 1222 PM -24 1964 19 24 23
AVERAGE 50 27 23 31
PRECIPITATION (IN)
TODAY T 0.38 1955 0.01 -0.01 0.00
MONTH TO DATE 1.28 0.30 0.98 0.25
SINCE OCT 1 3.77 2.27 1.50 1.05
SINCE JAN 1 18.17 14.04 4.13 11.71
SNOWFALL (IN)
TODAY MM 6.3 1963 0.3 MM 0.0
MONTH TO DATE 14.1 4.9 9.2 T
SINCE DEC 1 14.1 4.9 9.2 T
SINCE JUL 1 21.1 16.2 4.9 3.9
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 15 38 -23 34
MONTH TO DATE 527 617 -90 487
SINCE DEC 1 527 617 -90 487
SINCE JUL 1 1756 2219 -463 1759
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 60 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 79 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 21.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
HAIL
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 1200 PM
LOWEST 23 300 PM
AVERAGE 48
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 62 1979
MINIMUM TEMPERATURE (F) 19 -19 1983
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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