034  
CDUS45 KBYZ 012331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MST MON DEC 01 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 1 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 31 259 PM 65 1995 39 -8 36  
2021  
MINIMUM 15 148 AM -21 1985 22 -7 16  
AVERAGE 23 31 -8 26  
 
PRECIPITATION (IN)  
TODAY 0.00 0.67 1947 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE OCT 1 2.49 1.99 0.50 0.80  
SINCE JAN 1 16.89 13.76 3.13 11.46  
 
SNOWFALL (IN)  
TODAY 0.0 4.4 1947 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE DEC 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 7.0 11.6 -4.6 3.9  
SNOW DEPTH 6  
 
DEGREE DAYS  
HEATING  
TODAY 42 34 8 39  
MONTH TO DATE 42 34 8 39  
SINCE DEC 1 42 34 8 39  
SINCE JUL 1 1271 1636 -365 1311  
 
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 (230)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 20.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 500 AM  
LOWEST 53 100 PM  
AVERAGE 62  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 69 2021  
MINIMUM TEMPERATURE (F) 22 -23 1985  
 
SUNRISE AND SUNSET  
DECEMBER 1 2025......SUNRISE 735 AM MST SUNSET 431 PM MST  
DECEMBER 2 2025......SUNRISE 736 AM MST SUNSET 431 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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