504
CDUS45 KBYZ 181952
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1252 PM MST THU DEC 18 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 18 2025
VALID AS OF 1200 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 37 100 AM 62 1979 35 2 53
MINIMUM 26 500 AM -19 1983 19 7 25
AVERAGE 32 27 5 39
PRECIPITATION (IN)
TODAY 0.00 0.46 1973 0.02 -0.02 0.00
MONTH TO DATE 1.28 0.32 0.96 0.25
SINCE OCT 1 3.77 2.29 1.48 1.05
SINCE JAN 1 18.17 14.06 4.11 11.71
SNOWFALL (IN)
TODAY MM 5.1 1973 0.3 MM 0.0
MONTH TO DATE 14.1 5.2 8.9 T
SINCE DEC 1 14.1 5.2 8.9 T
SINCE JUL 1 21.1 16.5 4.6 3.9
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 33 38 -5 26
MONTH TO DATE 563 655 -92 513
SINCE DEC 1 563 655 -92 513
SINCE JUL 1 1792 2257 -465 1785
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 31 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 400 AM
LOWEST 32 1200 AM
AVERAGE 50
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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