084
CXUS51 KBOX 021422
CLMBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
922 AM EST FRI JAN 02 2026

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/07/1998
 LOW             -17   12/29/1933
HIGHEST           59   12/19                          62
LOWEST            12   12/05                          10
                       12/26
AVG. MAXIMUM    38.2               42.2    -4.0
AVG. MINIMUM    24.4               29.2    -4.8
MEAN            31.3               35.7    -4.4
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     5                4.2     0.8
DAYS MIN <= 32    29               19.8     9.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.74   1969
 MINIMUM        0.66   1935
TOTALS          2.39               4.30   -1.91
DAILY AVG.      0.08               0.14   -0.06
DAYS >= .01       12               11.9     0.1
DAYS >= .10        4                7.2    -3.2
DAYS >= .50        2                3.1    -1.1
DAYS >= 1.00       0                1.0    -1.0
GREATEST
 24 HR. TOTAL   0.78   12/28 TO 12/29

SNOWFALL (INCHES)
RECORDS
 TOTAL          27.9   1970
TOTALS           4.3                9.0    -4.7
 LIQUID EQUIV   0.40
SINCE 7/1        4.3                9.9    -5.6
DAYS >= TRACE     12                4.2     7.8
DAYS >= 1.0        2                1.9     0.1
GREATEST
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL   1037                908     129
 SINCE 7/1      1974               1923      51
COOLING TOTAL      0                  0       0
 SINCE 1/1       865                800      65
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              12.5
RESULTANT WIND SPEED/DIRECTION   8/270
HIGHEST WIND SPEED/DIRECTION    46/170    DATE  12/19
HIGHEST GUST SPEED/DIRECTION    64/170    DATE  12/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               11     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

$$