430
CDUS45 KBYZ 210931
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
331 AM MDT THU MAY 21 2026
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 20 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 67 327 PM 91 1964 69 -2 66
MINIMUM 43 850 AM 32 2003 45 -2 42
2021
2022
AVERAGE 55 57 -2 54
PRECIPITATION (IN)
YESTERDAY 0.23 1.33 2011 0.08 0.15 T
MONTH TO DATE 0.32 1.39 -1.07 2.46
SINCE OCT 1 6.54 7.67 -1.13 10.96
SINCE JAN 1 2.66 5.13 -2.47 9.66
SNOWFALL (IN)
YESTERDAY 0.0 0.4 1987 0.0 0.0 0.0
MONTH TO DATE T 0.8 -0.8 T
SINCE MAR 1 16.6 16.5 0.1 16.2
SINCE JUL 1 40.9 57.3 -16.4 64.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 9 1 11
MONTH TO DATE 188 237 -49 172
SINCE MAR 1 1394 1653 -259 1391
SINCE JUL 1 5218 6588 -1370 6154
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 1 9 10
SINCE MAR 1 12 2 10 10
SINCE JAN 1 12 2 10 10
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 900 PM
LOWEST 23 400 PM
AVERAGE 58
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 91 1980
MINIMUM TEMPERATURE (F) 46 31 1963
2021
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 536 AM MDT SUNSET 846 PM MDT
MAY 22 2026...........SUNRISE 535 AM MDT SUNSET 847 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page