667
CXUS56 KSEW 011130
CLMSEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
330 AM PST MON DEC 01 2025

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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             74   11/03/2010
                       11/04/1949
 LOW               6   11/15/1955
HIGHEST           63   11/09         MM      MM       61  11/08
LOWEST            31   11/30         MM      MM       32  11/28
AVG. MAXIMUM    53.5               52.1     1.4     50.6
AVG. MINIMUM    43.7               40.9     2.8     41.4
MEAN            48.6               46.5     2.1     46.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.1    -0.1        0
DAYS MIN <= 32     1                3.0    -2.0        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       15.63   2006
 MINIMUM        0.74   1996
TOTALS          5.71               6.31   -0.60     4.86
DAILY AVG.      0.19               0.21   -0.02     0.16
DAYS >= .01       16               18.4    -2.4       21
DAYS >= .10       11               12.9    -1.9       14
DAYS >= .50        5                3.9     1.1        2
DAYS >= 1.00       1                1.4    -0.4        0
GREATEST
 24 HR. TOTAL   1.57   10/31 TO 11/01

SNOWFALL (INCHES)
RECORDS
 TOTAL          17.5   1985
TOTALS           0.0                0.2    -0.2      0.0
SINCE 7/1        0.0                0.2    -0.2       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                                   0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    485                555     -70      561
 SINCE 7/1       914               1061    -147       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       328                263      65       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    30/200    DATE  11/05
HIGHEST GUST SPEED/DIRECTION    52/210    DATE  11/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.82
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       6
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$