715
CDUS45 KBYZ 312331
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
431 PM MST WED DEC 31 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 31 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 55R 259 PM 53 1962 35 20 30
1963
1980
MINIMUM 37 754 AM -23 1978 17 20 19
AVERAGE 46 26 20 25
PRECIPITATION (IN)
TODAY 0.00 0.32 1975 0.02 -0.02 0.04
MONTH TO DATE 1.39 0.57 0.82 0.50
SINCE OCT 1 3.88 2.54 1.34 1.30
SINCE JAN 1 18.28 14.31 3.97 11.96
SNOWFALL (IN)
TODAY 0.0 6.0 1944 0.4 -0.4 0.6
MONTH TO DATE 14.1 9.8 4.3 2.3
SINCE DEC 1 14.1 9.8 4.3 2.3
SINCE JUL 1 21.1 21.1 0.0 6.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 19 39 -20 40
MONTH TO DATE 939 1159 -220 870
SINCE DEC 1 939 1159 -220 870
SINCE JUL 1 2168 2761 -593 2142
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 25 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 16.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 52 600 AM
LOWEST 38 1100 AM
AVERAGE 45
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 60 1998
MINIMUM TEMPERATURE (F) 17 -25 1942
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 755 AM MST SUNSET 440 PM MST
JANUARY 1 2026.......SUNRISE 755 AM MST SUNSET 441 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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