269
CDUS46 KSEW 230218
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PST MON DEC 22 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 52 1250 PM 57 2005 46 6 53
MINIMUM 40 709 AM 14 1983 37 3 43
AVERAGE 46 42 4 48
PRECIPITATION (IN)
TODAY 0.04 1.28 1964 0.19 -0.15 0.30
MONTH TO DATE 7.87 4.06 3.81 3.52
SINCE OCT 1 17.28 14.28 3.00 11.42
SINCE JAN 1 33.55 37.68 -4.13 30.20
SNOWFALL (IN)
TODAY 0.0 2.2 1968 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
TODAY 19 24 -5 17
MONTH TO DATE 377 501 -124 465
SINCE DEC 1 377 501 -124 465
SINCE JUL 1 1291 1562 -271 1506
COOLING
TODAY 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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 11.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 100 AM
LOWEST 52 100 PM
AVERAGE 71
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 58 1950
MINIMUM TEMPERATURE (F) 37 9 1983
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 755 AM PST SUNSET 422 PM PST
DECEMBER 23 2025......SUNRISE 755 AM PST SUNSET 422 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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