Climatological Report (Monthly)
Issued by NWS Boston, MA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
265
CXUS51 KBOX 020240
CLMBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1040 PM EDT FRI AUG 01 2025

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

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

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   07/04/1911
 LOW              50   07/01/1988
                       06/06/1879
HIGHEST           99   07/29                          95
LOWEST            61   07/22                          62
                       07/31
AVG. MAXIMUM    84.5               82.1     2.4
AVG. MINIMUM    67.5               66.0     1.5
MEAN            76.0               74.1     1.9
DAYS MAX >= 90    11                6.3     4.7
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.0     0.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.69   1921
 MINIMUM        0.52   1952
TOTALS          3.01               3.27   -0.26
DAILY AVG.      0.10               0.11   -0.01
DAYS >= .01        8                9.4    -1.4
DAYS >= .10        6                6.1    -0.1
DAYS >= .50        2                2.1    -0.1
DAYS >= 1.00       1                0.8     0.2
GREATEST
 24 HR. TOTAL   1.34   07/09 TO 07/10

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0   MM
TOTALS           0.0                0.0     0.0
 LIQUID EQUIV   0.00
SINCE 7/1        0.0                0.0     0.0
DAYS >= TRACE      0                0.0     0.0
DAYS >= 1.0        0                0.0     0.0
GREATEST
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL      0                  4      -4
 SINCE 7/1         0                  0       0
COOLING TOTAL    351                284      67
 SINCE 1/1       570                455     115
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
RESULTANT WIND SPEED/DIRECTION   4/220
HIGHEST WIND SPEED/DIRECTION    28/250    DATE  07/25
HIGHEST GUST SPEED/DIRECTION    42/250    DATE  07/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.57
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

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

$$