348
CDUS45 KMSO 210839
CLIMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
139 AM MST SUN DEC 21 2025
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 20 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 39 247 PM 54 2019 30 9 40
MINIMUM 27 1159 PM -20 1998 17 10 28
AVERAGE 33 23 10 34
PRECIPITATION (IN)
YESTERDAY 0.00 0.68 1917 0.04 -0.04 0.00
MONTH TO DATE 2.54 0.69 1.85 0.15
SINCE OCT 1 4.68 3.05 1.63 1.35
SINCE JAN 1 13.86 13.72 0.14 10.46
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 8.1
SINCE DEC 1 8.1
SINCE JUL 1 9.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 32 42 -10 31
MONTH TO DATE 555 800 -245 684
SINCE DEC 1 555 800 -245 684
SINCE JUL 1 2046 2757 -711 2225
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 441 307 134 474
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 600 AM
LOWEST 48 100 PM
AVERAGE 65
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THE MISSOULA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 58 2019
MINIMUM TEMPERATURE (F) 17 -25 1990
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 819 AM MST SUNSET 450 PM MST
DECEMBER 22 2025......SUNRISE 819 AM MST SUNSET 451 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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