533
CDUS45 KBYZ 181040
CLIMLS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
340 AM MST THU DEC 18 2025
...............................
..THE MILES CITY MT CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 46 349 PM 64 1998 32 14 27
MINIMUM 13 1159 PM -29 1964 11 2 20
AVERAGE 30 22 8 24
PRECIPITATION (IN)
YESTERDAY 0.01 0.22 1985 0.01 0.00 0.02
MONTH TO DATE 0.37 0.10 0.27 0.48
SINCE OCT 1 3.18 1.40 1.78 0.84
SINCE JAN 1 12.96 12.76 0.20 10.88
DEGREE DAYS
HEATING
YESTERDAY 35 43 -8 41
MONTH TO DATE 654 694 -40 657
SINCE DEC 1 654 694 -40 657
SINCE JUL 1 2024 2452 -428 2077
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 805 731 74 823
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WIND (MPH)
HIGHEST WIND SPEED 56 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 79 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 20.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 PM
LOWEST 38 500 PM
AVERAGE 66
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THE MILES CITY MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 62 1979
MINIMUM TEMPERATURE (F) 11 -25 1983
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 743 AM MST SUNSET 418 PM MST
DECEMBER 19 2025......SUNRISE 743 AM MST SUNSET 418 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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