778
CDUS45 KBYZ 151830
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1130 AM MST MON DEC 15 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 15 2025
VALID AS OF 1100 AM 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 51 1209 AM 69 1980 36 15 39
MINIMUM 38 841 AM -20 1964 19 19 29
AVERAGE 45 27 18 34
PRECIPITATION (IN)
TODAY 0.00 0.66 2016 0.02 -0.02 0.20
MONTH TO DATE 1.28 0.27 1.01 0.25
SINCE OCT 1 3.77 2.24 1.53 1.05
SINCE JAN 1 18.17 14.01 4.16 11.71
SNOWFALL (IN)
TODAY 0.0 11.0 2016 0.3 -0.3 T
MONTH TO DATE 14.1 4.3 9.8 T
SINCE DEC 1 14.1 4.3 9.8 T
SINCE JUL 1 21.1 15.6 5.5 3.9
SNOW DEPTH 5
DEGREE DAYS
HEATING
TODAY 20 38 -18 31
MONTH TO DATE 499 541 -42 418
SINCE DEC 1 499 541 -42 418
SINCE JUL 1 1728 2143 -415 1690
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 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 16.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 48 900 AM
LOWEST 29 500 AM
AVERAGE 39
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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