168
CDUS41 KLWX 222126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
426 PM EST MON DEC 22 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 22 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 47 2:21 PM 71 2013 45 2 34
MINIMUM 17 6:59 AM 2 1989 28 -11 18
AVERAGE 32 36 -4 26
PRECIPITATION (IN)
TODAY 0.00 2.14 2022 0.10 -0.10 0.00
MONTH TO DATE 1.24 2.43 -1.19 2.35
SINCE DEC 1 1.24 2.43 -1.19 2.35
SINCE JAN 1 30.12 42.37 -12.25 33.38
SNOWFALL (IN)
TODAY 0.0 3.3 1962 0.1 -0.1 0.0
MONTH TO DATE 2.0 1.8 0.2 T
SINCE DEC 1 2.0 1.8 0.2 T
SINCE JUL 1 2.0 2.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 33 29 4 39
MONTH TO DATE 702 580 122 614
SINCE DEC 1 702 580 122 614
SINCE JUL 1 1495 1480 15 1282
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 1.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 8:00 AM
LOWEST 27 1:00 PM
AVERAGE 54
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 68 1990
MINIMUM TEMPERATURE (F) 28 4 1989
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 7:26 AM EST SUNSET 4:52 PM EST
DECEMBER 23 2025......SUNRISE 7:26 AM EST SUNSET 4:52 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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