806
CDUS45 KBYZ 181053
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
353 AM MST THU DEC 18 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 17 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 1138 AM 67 1939 35 22 38
MINIMUM 37 1159 PM -24 1964 19 18 23
AVERAGE 47 27 20 31
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY T 6.3 1963 0.3 -0.3 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 0
DEGREE DAYS
HEATING
YESTERDAY 18 38 -20 34
MONTH TO DATE 530 617 -87 487
SINCE DEC 1 530 617 -87 487
SINCE JUL 1 1759 2219 -460 1759
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 61 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 79 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 26.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HAIL
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 1200 PM
LOWEST 22 500 PM
AVERAGE 48
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 62 1979
MINIMUM TEMPERATURE (F) 19 -19 1983
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 751 AM MST SUNSET 431 PM MST
DECEMBER 19 2025......SUNRISE 751 AM MST SUNSET 432 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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