479
CDUS41 KLWX 250733
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
233 AM EST THU DEC 25 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 24 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 2:19 PM 71 2015 45 11 42
MINIMUM 37 11:52 PM 1 1983 28 9 25
AVERAGE 47 36 11 34
PRECIPITATION (IN)
YESTERDAY 0.00 2.01 1986 0.10 -0.10 0.01
MONTH TO DATE 1.28 2.64 -1.36 2.36
SINCE DEC 1 1.28 2.64 -1.36 2.36
SINCE JAN 1 30.16 42.58 -12.42 33.39
SNOWFALL (IN)
YESTERDAY 0.0 8.3 1966 0.1 -0.1 0.1
MONTH TO DATE 2.0 2.0 -0.0 0.1
SINCE DEC 1 2.0 2.0 -0.0 0.1
SINCE JUL 1 2.0 2.3 -0.3 0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 18 29 -11 31
MONTH TO DATE 743 638 105 685
SINCE DEC 1 743 638 105 685
SINCE JUL 1 1536 1538 -2 1353
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1330 1231 99 1586
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 3:00 AM
LOWEST 23 1:00 PM
AVERAGE 56
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 71 1964
1982
MINIMUM TEMPERATURE (F) 27 -4 1989
SUNRISE AND SUNSET
DECEMBER 25 2025......SUNRISE 7:27 AM EST SUNSET 4:53 PM EST
DECEMBER 26 2025......SUNRISE 7:27 AM EST SUNSET 4:54 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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