675
CDUS41 KLWX 210734
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
234 AM EST SUN DEC 21 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 20 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 45 3:39 PM 66 1877 48 -3 40
1889
MINIMUM 28 5:13 AM 5 1942 34 -6 36
AVERAGE 37 41 -4 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.56 1957 0.10 -0.10 0.02
MONTH TO DATE 1.72 2.29 -0.57 1.80
SINCE DEC 1 1.72 2.29 -0.57 1.80
SINCE JAN 1 35.51 40.70 -5.19 36.49
SNOWFALL (IN)
YESTERDAY 0.0 5.0 1892 0.0 0.0 T
MONTH TO DATE 1.5 0.9 0.6 T
SINCE DEC 1 1.5 0.9 0.6 T
SINCE JUL 1 1.5 1.0 0.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 24 4 27
MONTH TO DATE 554 444 110 457
SINCE DEC 1 554 444 110 457
SINCE JUL 1 1129 1090 39 880
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1716 1737 -21 2029
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 11:00 PM
LOWEST 41 2:00 PM
AVERAGE 59
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 72 2013
MINIMUM TEMPERATURE (F) 34 4 1942
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 7:23 AM EST SUNSET 4:50 PM EST
DECEMBER 22 2025......SUNRISE 7:24 AM EST SUNSET 4:50 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page