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United States of America

PORTSMOUTH, VIRGINIA


Home > North America > United States > Virginia
Elevation: 14 feet     Latitude: 36 54N     Longitude: 076 12W

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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °C ]   °F
TEMPERATURE 
Average Temperature
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F6040.742.149.158.366.774.979.177.872.361.952.643.9

Average High Temperature
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F68.548.950.858.268.175.883.687.385.68070.361.352.3

Average Low Temperature
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F51.432.633.44048.457.566.270.970.164.753.643.835.6

Highest Recorded Temperature
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F1058082889710010110510499958680

Lowest Recorded Temperature
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F-3-381828364554494527207

Average Number of Days Above 90F/32C
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days32.2---------0.41.66.811.98.82.50.1------

Average Number of Days Below 32F/0C
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days50.415.813.35.60.2---------------0.12.812.5

Average Number of Days Below 0F/-17C
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days---------------------------------------



PRECIPITATION 
Average Precipitation
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.45.63.53.23.73.13.63.95.35.44.53.33.13.2

Average Number of Days With Precipitation
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days1161110111010911108899

Most Precipitation Reported in a Day
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.8.93.74.83.85.93.45.84.77.48.96.24.92.8

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days75767676775556

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days30223232332222

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days11111111221111



PRECIPITATION - RAIN 
Most Rain Reported in a Month
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.659.98.210.47.210.110.514.414.313.810.19.27.6

Least Rain Reported in a Month
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.26.51.10.60.50.40.60.40.40.70.3---0.10.7



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.7.82.92.81------------------------1.1

Most Snow Reported in a Month
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.41.914.224.413.71.2------------------0.617.8



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days345080362750824951---------11164380657

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days1422---------98527740937821846------

Growing Degree Days
Years on Record: 64  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days4393.5---------249517.7747902.1861.8669368.978---







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