300
CDUS46 KSEW 240927
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST WED DEC 24 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 23 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 45 236 PM 58 1950 46 -1 55
MINIMUM 37 711 AM 9 1983 37 0 45
AVERAGE 41 42 -1 50
PRECIPITATION (IN)
YESTERDAY 0.00 1.14 1949 0.18 -0.18 0.08
MONTH TO DATE 8.02 4.24 3.78 3.60
SINCE OCT 1 17.43 14.46 2.97 11.50
SINCE JAN 1 33.70 37.86 -4.16 30.28
SNOWFALL (IN)
YESTERDAY 0.0 8.9 1965 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 24 0 15
MONTH TO DATE 401 525 -124 480
SINCE DEC 1 401 525 -124 480
SINCE JUL 1 1315 1586 -271 1521
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 328 263 65 315
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 300 AM
LOWEST 70 100 PM
AVERAGE 81
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 62 2005
MINIMUM TEMPERATURE (F) 37 16 1948
SUNRISE AND SUNSET
DECEMBER 24 2025......SUNRISE 755 AM PST SUNSET 423 PM PST
DECEMBER 25 2025......SUNRISE 756 AM PST SUNSET 423 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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