112  
CDUS45 KBYZ 272331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MST SAT DEC 27 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 27 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 42 1222 AM 68 1980 35 7 47  
MINIMUM 18 255 PM -12 2021 18 0 29  
AVERAGE 30 26 4 38  
 
PRECIPITATION (IN)  
TODAY T 0.18 1981 0.02 -0.02 0.00  
MONTH TO DATE 1.39 0.49 0.90 0.25  
SINCE OCT 1 3.88 2.46 1.42 1.05  
SINCE JAN 1 18.28 14.23 4.05 11.71  
 
SNOWFALL (IN)  
TODAY T 2.3 2017 0.4 -0.4 0.0  
MONTH TO DATE 14.1 8.3 5.8 T  
SINCE DEC 1 14.1 8.3 5.8 T  
SINCE JUL 1 21.1 19.6 1.5 3.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 35 39 -4 27  
MONTH TO DATE 802 1003 -201 743  
SINCE DEC 1 802 1003 -201 743  
SINCE JUL 1 2031 2605 -574 2015  
 
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 32 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 900 AM  
LOWEST 42 700 AM  
AVERAGE 60  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 59 1956  
MINIMUM TEMPERATURE (F) 18 -22 1990  
 
SUNRISE AND SUNSET  
DECEMBER 27 2025......SUNRISE 755 AM MST SUNSET 436 PM MST  
DECEMBER 28 2025......SUNRISE 755 AM MST SUNSET 437 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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